Pass labs amp. 8 Stereo Amplifier “The Pass Labs X150.

Pass labs amp 8---XP 12---and my phono pre is the XP 17. Jan 22, 2021 · One thing I love about the Pass Labs amp is its made to the highest standard, has a great warranty, and Pass Labs is known for their fantastic customer service. Nov 13, 2019 · My top two picks out of that bunch (to my ears) were the D300 and Pass Labs int 60. This amp is not the nice new “shiny” thing, its old. Amplifiers As a nationally recognized leader in the field of high-end audio and home theater, Overture is a proud dealer of Pass Labs power amplifiers, selling customers the best power amplifiers from Pass Labs in Sales Tax Free Delaware. ” Reviewing the amp in Issue 184, I noted, “The Pass Labs INT-150 lays to rest the arguments and perceptions of the past about integrated Pass Labs X150. I wrote Nelson Pass an email asking him to give me some new words to explain to my readers why the XA25 amp drives so many loudspeakers with so much dynamic authority and unmatched transparency. One of Pass Thru: is not used with the INT-60. Mar 23, 2024 · PASS LABS HPA-1 HEADPHONE AMP. It uses Toshiba transistors and matches perfectly with my Pass Labs XA25 amp, which is admittedly a little low gain for an amp but that’s just not a problem when paired with an XP-22 preamp. 00: Pass Labs / XA200. 5 days ago · For example, in my review of the Usher R-1. Brand New. The handsome X1000 monoblock under scrutiny here, the largest and most powerful amp in the Pass stable, makes 1000W into 8 ohms and a mighty 2000W into 4 ohms. Advanced technologies and real-world testing combine to create the INT-60 which presents 60 glorious watts per channel into 8 ohms, … Continue reading → Announcing the new Headphone Amp from Pass Labs! Like the XP preamplifiers, the HPA-1 is the result of great attention to detail. If you love power, grace, transparency, and (if you move your equipment around a lot) occasional back pain; I highly recommend you demo a pair of the Pass Labs X260. 5″) are sitting on their amp stands and flanked by their power supplies. Failure to follow this precaution could result in a volume level intolerable to both ears and speakers. Pros : Highly regarded reviews on-line. Single chassis XP-17. You will not be disappointed. 7 tonearm, Tact 2. Aug 7, 2019 · Pass Labs Aleph 3 power amplifier Measurements Sidebar 5: Measurements Following its 1/3-power, one-hour preconditioning test the Aleph 3's heatsinks were hot, though Having lived with Pass Labs’ $22,000-per-pair XA160. Serial Number: 13253. Give it lots of space. 1/2” x 9. After all, top-notch audio equipment should be made through hard work, so how can it be easily changed? After listening to the XP-12 preamplifier this time, I deeply felt that the Pass is more mature. Both are designed to be ultra-quiet, with the external power supplies using double-shielded low-noise toroidal dual-mono transformers” Subsequently this groundbreaking design paved the way for how Pass Labs develops models to this day. A simple hole would May 10, 2002 · Pass Labs X 600 Mono Amplifiers Power and Then Some Gregory Petan 10 May 2002 Specifications 600 watt per channel solid-state mono amplifier19" W × 22" D × 11. 5″x8. According the XA25's well-written owner's manual, it will deliver 50W peaks into 2, 4, or 8 ohms in class-A. 8 – An Elite Heavyweight Among Amplifiers” Pass Labs has forged timeless designs for their Preamplifiers and Amplifiers. The amps (12. The list goes … Continue reading → This amp replaced my Proceed amp 5 and even though they are rated the same the Pass just has so much more power and headroom campared to the others. Sales, North America “Best High-End Integrated Stereo Amplifier Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 Jan 17, 2024 · The volume control is the same one used in the much more expensive Pass Labs XP-30. 8 monoblock amplifiers remind me of these speakers. They measure well, sound great, … Continue reading → The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. “The Pass Labs XA60. These revisions greatly reduced distortion and noise, as well as significantly improved the performance of the amplifiers when used with low impedance loads. It excelled at producing a vast soundstage that went far beyond the walls of my listening room, had great dynamics, pacing and precision even with complex musical passages. Simple circuits. Quite some time ago, I owned a full PASS LABS system, complete with its XP-30 preamplifier, XP-25 phonostage preamplifier, and XA200. CAUTION! Before operating this amplifier, verify that the voltage label near the AC input connector on the amplifier indicates an operating voltage compatible with the voltage level of the electrical outlet you intend to Jun 16, 2016 · When Pass Labs is mentioned, it's natural to think of its founder, iconic engineer Nelson Pass. Their first amplifier was single-ended, class A design: the Aleph 0, a mono-block outputting 70 watts into 8 ohms. The most significant change Pass Labs made to the electronics of the XA30. Oct 7, 2009 · About Pass Labs. Display: is not used with the INT-60. 8 represents nearly 10 years of painstaking development and refinement. Founded over 30-years ago, our products elevate your audio experience. 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 [email protected] Pass Labs X-600. The amplifier doesn't look monstrously powerful. 8 Class A power amp has currently replaced the Pass Labs XA30. A Pippen of a Component – the Pass Labs X150. It can deliver full-range dynamics across the entire frequency range. 5 model block amplifiers. Most of them still incorporate a lot of the same components used during the original creations decades ago. But Nelson heads a team of engineers at the California company: Their XP-30 preamplifier, which I enthusiastically reviewed in April 2013, was designed by Wayne Colburn; and the subject of this review, the HPA-1 headphone amplifier, is the first Pass Labs product designed by Jam Somasundram, former Nov 18, 2024 · Up for sale is a Pass Labs XA25 stereo amplifier. These are Pass Laboratories ultimate expression of Power Amplifiers the perfect blend of science and visceral emotion. This is a brand new unit. Pick a Jul 7, 2017 · Pass Labs may have been late to the personal listening party, but the HPA-1 was more than worth the wait. Sure, it has signature Pass cooling fins sticking out at an angle like Batman's car, but small, bright blue LED eyes replace the famous big, blue Pass meter. Why Should You Care About the Pass Labs XP-22 Stereo Preamp? Over the years, Nelson Pass has made power, simplicity, and performance his design signatures. ” Pass Labs X260. Pass Labs feels this design offers the best overall sonics, yet will still drive even the most Pass Labs has forged timeless designs for their Preamplifiers and Amplifiers. Please call with any questions at 773-720-1542. Jan 23, 2020 · The INT-25 is simply a Pass Labs XA25 amplifier with a minimalist, single-ended version of the INT-60's line-level preamp attached. Positive Feedback Brutus Award – 2016 Positive Feedback “The INT-250 also throws its prodigious weight around in the most unexpected and tender ways. . I am the second owner and have been using it to great effect for 2 years. markets its unique amplifiers, preamplifiers and speakers throughout the world. Its not cheap. Do they make a good combination? I think it will work great, just make sure the "output impedance" of the AR preamp is at least 10 x lower than the "input impedance" of the Pass amp. That parks it somewhere between the low-power FirstWatt and burlier Pass Labs ranges. 8 Stereo Power Amplifier 250W Per Channel - Excellent US Audio Mart $6,250 7% Sep 6, 2024 Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 Dec 16, 2024 · Pass Labs X250. TAS Editors’ Choice Award – 2021 The Absolute Sound. In 2017, Nelson Pass was awarded the Positive Feedback’s Lifetime Achievement to commend his incredible work on amplifier technology. This powerhouse combines raw power with finesse, offering all the benefits of mono-block performance in a single unit. 2X digital preamp-room correction- equalizer-D/A converter, EMM Labs SACD/CD player, Pass Xono phono preamp, Pass XP. Jan 23, 2024 · Pass Labs INT-250 Marktplaats €8,000 Nov 1, 2024 High Performance Stereo Pass Labs INT-150 High Performance Stereo $3,999 2185% Dec 9, 2022 Oct 16, 2023 · In April 2019 I reviewed Pass Labs XP-12 preamp, which was also used inside Pass Labs INT-25 integrated machine that had its own publication in September 2020. 8 monoblock amplifiers, the subject of this review, retail for $14,250 per pair and can hardly be considered entry-level. 8. Jul 22, 2016 · When Pass Labs introduced its first-ever integrated amplifier, the INT-150 in 2009, the debut was hailed by many, myself included, as a watershed moment for a sector often derided as “down-market. They measure well, sound great, and are reliable. The INT-250 is a reference-level integrated amplifier designed to deliver 250 watts per channel into 8 ohms, showcasing Pass Labs' renowned Class A/B topology for exceptional sound quality. This is a highly regarded amp and punches way above its rated 25 wpc. Beginning with early prototypes of a single-ended Class A Amplifier, Pass Labs has become legendary for popularizing solid-state Class A Power Amplifiers. Exhaustive listening tests, not myopic … Continue reading → The Pass Labs HPA-1 Headphone Amp is a Class A headphone amp that was designed to amplify headphones with impedances of 15 ohms to 600 ohms. Pass Laboratories. FYI, the speakers are Jun 6, 2021 · 1. X600. 8' Pure Class 'A' Amplifiers Power Amplifiers pair Dec 2, 2021 · The XA30. The transition from Aleph Ono, through X-0no and now to the XP-15 and XP-25 represents a sophistication and maturation of both thinking and component evolution. 8 Amplifier Available. They operate in Class A mode, meaning the output transistor is on full-time, and the output current runs for the entire waveform cycle. It isn't either. 5, PrimaLuna ProLogue Seven power amplifiers, Vandersteen 5A speaker Jul 31, 2020 · The Pass Labs X350. 8 a run for its money; building upon an earlier Nelson Pass design, the R-1. Mar 21, 2013 · Zen Variations 9 — Nelson Pass / 2006. Ext amp on: is not used with the INT-60. 8 monoblock should weigh almost precisely the same as the average European adult (it won’t catch up with the average North American adult for another 20lb) should come as no surprise: This is a 200W (into 8 ohms) amplifier that operates in class-A, and does so without any sort of microprocessor-controlled Its measured performance—distortion, bandwidth, noise, and resolution is beyond reproach. They do not create a new product just to make a buck, they only release something new when it is truly an improvement on what has come before it. This is the best I have heard in my system. 8 and the entire XA product line are solid-state construction. 5 Stereo Amplifier available in Silver. TAS Editors’ Choice Award – 2020 The Absolute Sound. 00 Sale. 10 stereo preamp, Pass XA160. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even … Continue reading → This integrated amplifier sets a new benchmark in significantly narrowing any perceived performance gap between separate components and integrated amplifiers. 09 shipping. Jul 24, 2023 · Amplification was provided by Pass Labs XA60. In 2007, Pass Labs applied these advances to the XA series, introducing the XA100. Nov 19, 2022 · This is a review and detailed measurements of Pass Labs HPA-1 headphone amplifier. I use a Pass XP-30 preamp and a pair of Pass XA-160. The list goes on, but listening may tell you the XA3 The Aleph 5 is the fourth of the newest generation of amplifiers from Pass Labs. 5, XA60. They are new top-of-the-line components that push the state of art in audio to its limits, and they are priced accordingly” Xs 300 TAS Editors’ Choice Award – 2021. Actually the Pass Labs XP-12 preamp and XA25 amp represent a level of affordability unique for Pass separates, with pricing normally reserved for the firm’s superb integrated amps. “the Pass Xs preamp and Pass Xs 300 power amplifier—are efforts to provide that absolute sound without compromise in either quality or price” Xs Preamp TAS Editors’ Choice Award – 2021. Many reviewers believe that with the introduction of INT-250 to the market, the boundaries between the separates and one-box integrated solution have been Dec 15, 2002 · I doubt the amp will ever be pulling enough for it to be a problem but there is a reason Pass put the 20A plug on the X350. The Pass Labs XP-32 satisfies that definition…” Stereophile Recommended Components – 2021 “Pass Laboratories XP-32 line preamplifier Review” Stereophile / John Atkinson Jun 11, 2020 · The Aleph Null, or 0, represents Nelson Pass's maiden product under the Pass Laboratories banner. The HPA-1 has been around for several years now. I have the 250. I would specifically recommend it for those who want their systems to present music as a whole and be as neutral as possible (as opposed to those who like to dissect, or those who want an The Pass Labs XA25 power amplifier is a marvel of audio engineering that sets a new standard in performance and clarity. Starting at the power cord, the AC line is first filtered for high frequency noise and then isolated by a special toroidal transformer shielded by mu-metal for lower magnetic noise and shielded for electrostatic noise by a separate Faraday shield, grounded to analog Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 In 2007 Pass Labs is applying the “. I should have it this week and cannot wait to hear what it can do for my system. The HPA-1 headphone amplifier from Pass Labs is one of our most popular headphone amps at Moon Audio. This power amplifier flows from a commitment to create the best sounding product: a simple amplifier can get some fresh air to remove the heat. The Pass Aleph 30’s ancestry lies in the highly praised Aleph 3. In ZV8 we dipped our toes into the waters of power JFET transistors using the new Lovoltech LU1014D in a simple circuit. I also really liked the Supernait 3. 8’s, this amplifier has some Class A bias, rewarding its listeners with a whole new zenith of sound quality. 8 monoblock amplifiers, which were wired to a pair of Focal Kanta No. The brainchild of electronics whiz Nelson Pass and his mate Mike Burley, the company based in Auburn, California, first came into being in 1991 when the pair combined three home-constructed CNC machines with a hunger to produce their own single-ended Class A amplifier design. For sale is a mint condition pair of PASS Labs X 600. Vendor Pass Labs Regular price $28,600. Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 An exceptional stereo power amplifier on many levels -- high-biased MOSFETs providing higher-power class A operation, direct-coupled front-end circuitry for exceptionally high stability and larger, more robust heats sinks similar to those of the larger . ” Pass Labs / HPA-1 Headphone Amplifier Headphone Amplifier M HPA-1 $3,675. Pass Labs’ designers knew that in order to stand out from the crowd, and satisfy their The Pass Labs X150 is a coherent, neutral, powerful, smooth, 3-dimensional, musically satisfying solid-state amp. 5 Class A Power Amplifier. Like all of the Class A/B . 5Ω. May 19, 2009 · Dynavector 20X, Sumiko Celebration, and Koetsu Onyx cartridges, VPI TNT HRX turntable and JMW 12. Wayne Colburn has been designing at Pass Labs for 31 years! Apr 29, 1997 · Everyone's going crazy for single-ended power amplifiers. They made a Nov 13, 2024 · Just in on trade, have a Pass Labs X-350. Jun 1, 2021 · The newest integrated amplifier from Pass Labs is the pure Class A INT-25. 5" H150 lbs. Class AB push-pull amplifiers are hybrids between Class B and Class A. 8 Monoblock Amplifiers – Positive feedback Pass Labs’ HPA-1 is capable of delivering full-range dynamics across the entire fre-quency range, even when driving headphones that present diffi cult loads in terms of impedance or power consumption or both. The best components. 8/XP30 at the local dealer on 2018. Sep 23, 2024 · What Makes the Pass Labs X250. The X600. I love the details, the clarity and the sweetness of Pass Labs amp. Perhaps most uniquely, what is an important part of the final design is making changes based on listening tests by real audiophiles. 8 Dac: Rockna Wavedream signature Turntable: Kuzma Stab Reference 2, Kuzma 4 Point tonearm, Zyx 4D ultimate Phono stage: Audia Flight Phono S I am considering to upgrade my power amp to monoblocks. The box is quite heavy which is "nice" given how much it costs. The Aleph 5 integrates power Mosfet devices and pure single Jan 31, 2022 · The XP-12 is a pre-amp that is still a current model within the Pass Labs lineup and that is one thing I love about Pass Labs. Full Class A bias occurs through about the first 14 watts and then switches to Class AB. 2s floorstanding speakers. Background Pass Labs is a venerable amplifier manufacturer. Nov 22, 2024 · The Pass Labs HPA-1 comes with the Pass pedigree and accompanying price, so this is not the headphone amp for most people. I had chance to compare A/B between Mcintosh C2700/MC462 vs Pass X350. Thus improving all aspects on every Feb 13, 2016 · As a starter hobby amplifier to get some sound coming out of a speaker, with relatively few components, the Pass ACA Class A Amp does the job. 75″x14. Aug 18, 2021 · I'm trying to decide on speakers with high sensitivity and low stable impedance, precisely so that I can play with SET tube amps and that specific Pass Labs amp in the future. The amplifier has Pass Labs X5: A monster 5-channel modern home theater power amp!The Pass Labs X5, released in the 2000s, is an American-made high-fidelity 5-channel power amplifier with an exceptional reputation for its build quality and sound. Pass Labs,NOS! Opens in a new window or tab. An exceptional stereo power amplifier on many levels — high-biased MOSFETs providing higher-power class A operation, direct-coupled front-end circuitry for exceptionally high stability and larger, more robust heats sinks similar to those of the larger . Pass Labs released the X1000 in 1998 with their patented SuperSymmetric technology. T+A PA 3100 HV Integrated which is said to be an excellent amp. The model name reflects 8Ω wattage so demure modesty for transistor power. Product SKU: 71539. But I liked the Pass Labs int 60 so much (especially through the MSB) I called and talked to Kent at Pass Labs. 5 delivers the lion's share of the detail, while adding an extra dollop of warmth, midrange and bass boost to In 2007 Pass Labs is applying the “. In 1998 Pass Labs released the X series of audio power amplifiers, based Heat and Ventilation - These amplifiers consume a lot of power (around 1000 watt for the Xs 300 & around 500 watts for the Xs 150) and most of this is converted it into heat. Zen Power Amp Photo descriptions: Front view of the completed pair of Zen Amplifiers. Pass Labs X150 Stereo Power Amplifier Highlights Product: Pass Labs X150 Stereo Power Amplifier. Designed and manufactured in California, this proud piece of American craftsmanship is a one-stop-shop for many audiophiles. 8 watchers Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 Nov 12, 2024 · For sale, a fantastic integrated amplifier, Pass Labs INT-250. In the past I’ve reviewed FirstWatt F7 and F8 stereo power amplifiers plus Pass Labs HPA-1 headfi deck, XP-12 pre and INT-25 integrated amp. 8 Stereo Amplifier “The Pass Labs X150. 8 was to make greater use of the single-ended Class A biasing to the output stage. As Pass Labs’ first and currently only headphone amp, its success will hopefully spur more products to come X3 is basically a three channel X150. Nov 25, 2019 · But it is important to know he is not the only designer at Pass Labs. I mostly listen to smooth jazz like Dave Koz, Rippingtons, Brian Culbertson etc. See the Stereophile review and many others. Heat and Ventilation - The X. 5 monoblock amplifiers, if I remember correctly. Still, they are the starting point for the XA monoblock product lineup. Twenty plus years of ongoing innovation have kept the X and XA amplifiers The amplifier delivers detail and subjective space rarely found in semiconductor circuits, coupled with the authority and clarity rarely found in tube amplifiers. 2 days ago · Auckland Closes: Sat, 11 Jan Pass Labs INT250 Integrated Amplifier No reserve $24,000 Buy Now $24,000 Trademe NZ NZ$24,000 Jan 10, 2025 US Audio Mart Pass Labs X250. (The standard 2 volt source component, with the pre-amp set to 0 dB, will drive most power Aug 9, 2024 · Pass Labs products are highly esteemed by audiophiles, and Nelson Pass has made significant contributions to amplifier design and audio engineering, which have had a lasting impact on the industry and inspired contemporary and future audio technologies. Feb 1, 2018 · The XA25 stereo amplifier is the latest addition to Pass Laboratories' XA series of amplifiers and, at $4900, the lowest priced. What's the big deal? What is it about these relatively low-powered contraptions that could make everybody so nutso? And has Pass Labs' Nelson Pass completely lost his marbles, selling a 30Wpc amplifier for a price that can buy a high-quality 200Wpc amp? Isn't that 200W amp seven times as loud—and seven times as good—as a 30W amp? Pass Labs X600. In short, Pass Labs continues to break boundaries for amplifier design. However, this amplifier is different in a number of ways, and if you only read these pages you will probably save us both some time and trouble. “The Pass Labs XP-22 preamplifier ($9,500 USD) and the XP-27 phono preamplifier ($11,500 USD) currently occupy the middle spots in the company’s line-up, just under the flagship XS models. The Pass Labs was simply much better. Class A Class AB Integrated May 24, 2023 · What Makes the Pass Labs XA60. Taken as a dedicated headphone amp or as a minimalist preamp-in-a-pinch, it offers performance at or near the head of its class. 8 Audiophile Amplifier So Special? The Pass Labs XA60. It is in excellent condition and includes the original box and packing material. Sales, North America AMPLIFIERS. 5” advances to the XA series of amplifiers, with the XA100. This design results from my commitment to create the best sounding product, a simple circuit having the most natural characteristic. This is used on other Pass products and has no effect on this product. Starting an audio company was no feat for Nelson Pass who started assembling loudspeakers at just 14 years old. $90. 8 amplifiers consume quite a bit of power during operation and convert most of it into heat. I will be a Pass Labs man for life. 5s (a huge jump in performance) and now taking the leap to the $85,000-per-pair Xs 300 two-chassis monoblocks, I’m still staggered at how much more of everything is available with Pass’ flagship Stereophile Recommended Components – 2022 Stereophile “That a single Pass XA200. Amplifiers need to have a lot more power. Cons : Only comes in silver as far as I know (rest of gear is black); integrated not separates (not that big a deal); only 3 year warranty; no dealer in town that I know of (Portland, Oregon, USA). 5s monoblocks for over a year, and then having stepped up to the $34,100-per-pair XA200. The Pass Labs INT-250 Stereo Amplifier is a powerhouse of audio engineering that sets a new standard for sonic excellence. Dec 30, 2020 · There are tons of great reviews of the HPA-1 amp, and the history of Jam and how he got to Pass Labs and the design criteria of the HPA-1. My system consists of: Pass Labs X-1 pre-amp Pass Labs X-250 amp Sony SCD-777ES SACD player Conrad Johnson DR-1 CD transport Meridian 563 D/A converter (upgraded to 24 bit status) Polk Audio LS-90 speakers (on Solid Steel stands) Cardas Neutral Reference interconnects Analysis Plus Oval 9 speaker cables I am amazed at how tonally accurate this The Pass Labs INT-60 integrated amplifier is a pinnacle of audio engineering that combines power, precision, and musicality in a single chassis. 5. Nov 22, 2018 · Ironically, these are not even Pass Labs’ grand cru products. The INT-60 is a robust integrated amplifier capable of delivering 60 watts per channel into 8 ohms, showcasing Pass Labs' renowned Class A/B topology for exceptional sound quality. At Pass Labs we build Fet amplifiers like the Pass Labs INT-25 Integrated Amplifier with excessive output stages, huge heat sinks and massive power supplies. Jul 28, 2022 · The Pass Labs X260. For several years Pass Labs has specified the nominal wattages at which our amplifiers leave push-pull Class A operation into an eight ohm load. And much less distortion. Founded in 1991 by legendary audio designer Nelson Pass, Pass Laboratories, Inc. It also had more power then a Sunfire 425x5 amp that I had for a short time. Aug 16, 2022 · The McIntosh MA9000 like the Pass Labs Int-250 is a very large amplifier. Apr 4, 2018 · I'm all in with Pass Labs. per pair Pass Labs INT-250 Integrated The Aleph 1 is a single ended Class A audio power amplifier, the most powerful product produced by Pass Laboratories. 8 and Moon 390/Anthem STR as Preamp. Includes factory packaging, power cable and manual. The company has been based in Foresthill, California, since its beginning, and is widely regarded as one of the most innovative audio brands in the world. 5 amplifier , I wrote, "The Usher R-1. Build it, have fun with it and then put it aside and get a proper amplifier. Nov 23, 2016 · Pass Laboratories, founded in 1991, has at least three Daoshi, or high priests of Taoist amplifier design: Nelson Pass and his colleague, Wayne Colburn, plus a new hire, Jam Somasundram, who designed the HPA-1 headphone amp, all of whom create fresh new inventions based on the ancient alchemy of single-ended, class-A amp design. Apr 4, 2021 · Power Amp: Pass 350. It combines completely new design thought applied to a traditional topology and the experience of twenty five years of amplifier design. 1 Pair PASS LABS ALEPH-X Amplifier PC Boards,original N. The successor to our already lavishly praised and well regarded Supersymmetry patent. At Pass Labs we build Fet amplifiers with excessive output stages, huge heat sinks and massive power supplies. com / Paul Wilson “The Pass Labs X250. Editor’s Choice Award 2021 At Pass Labs we build Fet amplifiers with excessive output stages, huge heat sinks and massive power supplies. I have used electostatics for over 20 years, and for the last 4 years have used Martin Logan Montis's. Strip the latter from the former and Pass Labs XA-25 stereo power amp is the result. I own an X150 and an X3 to drive five B&W speakers (N803, N805 & HTM1). Input Voltage: 120V. passlabs. ALL of these amps were amazing in their own way (including the 509x). “A great preamplifier will allow through so much information, so much of the music, that the shortcomings of lesser speakers and amplifiers can be forgotten. The hardware tends to run heavy and hot, but elicits high performance and reliability from simple circuits with little or no negative feedback. 8 monoblock amplifiers or any of the Pass Labs . ” The Absolute Sound “The Pass Labs INT-250 may just be the best integrated amplifier in the world. Selected for their sonic attributes. Pass Labs is known for their exceptional audio products, and this am Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 E-MAIL CONTACTS. 00. Oct 11, 2023 · Take US-based amplifier specialist Pass Labs for example. It is on kind loan from a member and costs US $3,675. ** Make me a reasonable offer and we can discuss! PASS X250. New Suncoast Audio-Powered by PASS- program Oct 1, 2024 · The rear of the Pass Labs INT-250 which weighs over 100 pounds Listening to the Pass Labs INT-250 Integrated Amp … My reference system for the Pass Labs INT-250 review includes Bowers & Wilkins 802 D4loudspeakers, a much less powerful but “more Class-A” Pass Labs XA-25 power amp, an Anthem STR stereo preamp, a Bricasti M3 DAC and a BlueSound Node. 8 Power Amplifier. Twin chassis XP-27. Rather more brutishly, it then keeps doubling down to 100wpc into 2Ω and even remains stable into an eyebrow-raising 0. Compare the ML and Pass in similar price range, I would recommend Pass any time. Clear bass lines cleanly and accurately delineated “American Pass Labs (hereinafter referred to as Pass) is a long-established classic brand, and its product update cycle is also relatively long. As much as I love my current speakers, I'm getting the itch to transition into a non electrostatic. 5 shipping as of this writing. 8 that I bought new from Reno HiFi in 2015 and h Apr 4, 2021 · The Pass Labs INT-250 is a rated as a Class A/B amp but honestly I would still refer to it as a class A amp as it puts out the first 15 watts (into 8 ohms) in Class A and it seems to have more of those Class A characteristics than the INT-25 (warmth, bloom, midrange magic, oomph and bass power). Integrated Amplifier of the Year – 2016 The Absolute Sound. Please note our terms: We have a 100% positive feedback ratin The Pass Labs X260. The world famous Amp Camp Amp kit! Currency USD $ Afghanistan (AFN ؋) Åland Islands (EUR €) This forum is dedicated to Pass Labs discussion. It weighs only 45 lbs, has single-ended inputs only, and outputs 25Wpc into 8 ohms, 50Wpc into 4 ohms, or 100Wpc (!) into 2 ohms. Class A Class AB Integrated The Pass Laboratories XP-12, XP-22 and XP-32 preamplifiers are the natural descendants to the long lived, highly acclaimed and successful X series of Pass Laboratories line-stages. While in practicality there unlikely will any problems, I'm sure the buildng code and your homeowners insurance may a have a different view. This conservatively rated 25 wpc beast of an amp is filled with all kinds of high-quality parts that were specifically selected and assembled by one of the greatest amplifier design teams on the planet. 2016 to be exact. Cheers George Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 Apr 4, 2021 · Power Amp: Pass 350. Includes original packaging and accessories. Adjustable Gain Jun 6, 2004 · Pass Laboratories' X amplifier series represents the efforts of designer Nelson Pass to prove that simple linear amplifier topologies can be scaled to provide high-quality audio performance at very high power levels. These revisions dramatically lower distortion and noise and also dramatically improved the performance of the amplifiers into low impedance loads. 7/16” x 19-3/4”. First Watt 7 amp - Nelson Pass primary designer Pass Labs INT-60 Wayne Colburn primary designer Pass Labs HP-1 Jam Somasundram primary designer I am fortunate to have an example of each designers work. My old amp was a Mark Levinson 334. Dynamic sound The XP preamplifiers sound more dynamic, bass lines are more clearly, cleanly and accurately delineated. 6, and XA30. 8 Stereo Amplifier (Brand New) We have a Pass Labs X150. The new Static Induction Transistor SIT-2 stereo amplifier from Pass' First Watt company is a plain dark-gray box. First Watt exists because I wanted to explore a variety of amplifier designs in what I think of as neglected areas – amplifiers that might not fit into the mainstream and are probably not appropriate to my more commercial enterprise, Pass Labs. 8 Power Amp So Special? The Pass Labs X250. Jan 1, 2021 · In 2016 Pass Labs introduced their first dedicated headphone amplifier, the HPA-1. The focus of the project was on the JFET itself, and except for a cascode transistor the rest of the amplifier used only passive components. If there’s a more emotionally satisfying amplifier anywhere, we’re not aware of it. Featuring a single-ended quarter-inch headphone output and a large and extremely accurate volume control, the HPA-1 is compatible with most full-size headphones on the market. Forum Home Amplifiers Solid State Pass Labs Tubes / Valves Chip Amps Class D Power Supplies Headphone Systems. That was covered in March 2023. The result is aptly named after Georg Cantor's first transfinite number: Aleph Null, the gateway to higher-order infinities. 5, X600. We are not even close here folks. 8 and XA. 00 Sale price $28,600. Another outstanding amp. Since 1997 Pass Laboratories has been respected for building some the finest phono stages in the audio industry. Pass Labs X350. In the foreground is one of the homemade powercords. 8 Monoblock Amplifier is not just an amplifier; it is a refined musical instrument meticulously crafted to deliver an impressive 260 watts into 8 ohms. Before selecting the theatre pass through (pass thru) option, it is imperative that the input device on input number 5 has its gain set to minimum. Pick a location where the amplifier can get some fresh air to remove the heat. These five adventures are more than enough to understand why Pass Labs is a highly successful well-respected audio house. 8 or go big in class A with 200. FWIW. Nelson and Mike Burley started designing prototypes of single-ended class A amplifiers from their home. $8000 per channel Address:Pass LabsPO Box 12878Reno, NV 89510Telephone: 530-367-3690Fax: 530-367-2193Web: www. May 14, 2014 · I’ve been reviewing Pass Labs components for years, and Nelson Pass’ amplifier designs since the peak of high-end audio’s popularity during the early Fillmore Administration. Even more impressive they effortlessly drive the most demanding loudspeakers to musical nirvana, be the performance full scale orchestra, high-decibel rock band or string quartet. (Some Pass amp can be too low for many pre's) . 8 Solid state for sale. 8 200 watt mono 'XA. com These Are A Few Of My Favorite Things Amplifiers, more than any other component, Jan 9, 2023 · Distant 3rd Option: Pass Labs INT-60 integrated amp ($9,450) or INT-250 integrated amp ($12,000). It is Sep 2, 2019 · Once in awhile I’ll see a Pass amp on eBay for a decent price and think hmmmm? So last week I checked out a Hi Fi shop online in Reno and looked at the used and demo and refurbished Pass products and found an X250 refurbished by Pass Labs in excellent condition. This unit is in very good condition, with a few small marks (see photos). Pass LabsHPA-1 - Pass Labs amplifier without reading this operating manual. Oct 23, 2023 · Many Pass Labs fans that own many of Nelson’s legacy amps as well as bigger versions of his more exotic amps have said that dollar-for-dollar and note-for-note, the Pass Labs XA25 might just be the best sounding amplifier that he’s ever designed. Please contact us via AG Message or by phone at (941) 932-0772 with any questions. I have always admired Pass Labs and their design mentality. Class AB run Class A at low power levels, and become Class B amplifiers at output currents determined by the bias. Mar 14, 2023 · I’m no stranger to Nelson Pass’ work. May 22, 2013 · Hi, I’m searching for a pair of interconnect cables connection my pre-amp (Ayre K-1xe) and power-amps (Pass Labs XA30. When he left Threshold several years ago, Pass had the luxury of starting over with a clean slate, and decided immediately that he wanted to design a single-ended MOSFET amp. It weighs very close to 100 pounds and it comes in at 17. I am concerned if I should upgrade to 600. 8 amplifiers. Nelson Pass founded Pass laboratories, Inc in 1991 after leaving “Threshold”, a company which Nelson and his co-founder founded and worked for 17 years. ” Futureaudiophile. We have kept virtually all of the circuit design and choice of parts intact. Yes, I consider to remain with Pass Labs family. These amps are said to rarely EVER fail and it is said that if you have an issue, turn around is so quick as they rarely have a break down of a Pass Labs amp. It also looks like it cost $$$$ compared to just just looking like a black box. I streamed an incredible amount of music over an extended period, but settled on two tracks that displayed the XP-12’s extraordinary transparency and dynamic range well. Every technical effort has been made to assure “the Pass Xs preamp and Pass Xs 300 power amplifier—are efforts to provide that absolute sound without compromise in either quality or price. But does it do things sonically that might make it right for some music-lovers? Let’s see. We use the highest quality components in simple linear topologies, assembled and tested with care and subtlety. Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 E-MAIL CONTACTS. The XA25 is a compact yet formidable amplifier, meticulously crafted to deliver breathtaking sound quality. I don't think the XA25 needs extremely SET friendly speakers, but that's where I want to start with tube SET first, then move to low power SS if I don't care for the SET Pass Laboratories 13395 New Airport Road, Ste G Auburn, CA 95602 (530) 878 5350 E-MAIL CONTACTS. Do not enclose the amplifier in a closed cabinet. Buy It Now +$18. ” Nov 30, 2018 · Are Pass Labs amps probably the best ever you can buy ? I have about 15k to spend on an amp/preamp/integrated amp. 2. The look would be good if it were not for the locking headphone plug. 8 series amplifiers. 5 Class A mono amplifiers in my reference system. INCLUDES FULL FACTORY WARRANTY. The performance is similar. $3500 retail. Golden Ear Award – 2018 TAS “The lowest-priced amplifier in Pass Laboratories’ XA series, the XA25 strips away all inessentials—front-panel meters, balanced inputs, excessive output power—and provides the listener with a three-stage amplifier in which output power is generated by a single pair of transistors per channel, operating in push-pull class-A. 5) – both Solid State. and loud. 8 is a beautiful amplifier to look at and to listen to and in all ways outclassed the older Bryston amplifier. 5 amplifier is an excellent performer, giving the more expensive Pass Labs X150. Jul 26, 2019 · Wondering if anyone has had experience matching a pass labs amp with an audio research preamp. As in all things Pass, there were quality and sonic refinement in abundance. Feb 21, 2023 · Nelson Pass has finalized what will become the XA25 stereo amp. 8 is rated for 250 watts per channel (WPC) at eight ohms and 500 WPC at four ohms. 8 monoblock amplifiers deliver 600 watts into 8 ohms. Pass Labs engineers and manufactures the finest Class A and Class A/B audio products in the world. 8 has served as a reference amplifier in numerous audio reviews and performed admirably with its combination of power, detail, natural tonal balance, and accuracy compared with other amplifiers…” Positive Feedback – 2025 “The Pass Labs X250. iffet xlhkprz fqneiv cqhvf nnrino rur lkudfst dlj jnsvwap ypei