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Pass Labs INT-250 Integrated Amplifier
Like the INT-60, the INT-250 utilizes the synergies developed in the .8 series power amplifiers. Unlike the INT-60, however, it brings 250 watts per channel of listening pleasure. With higher power MOSFETs and more of them, the INT-250 drives large, demanding and relatively inefficient loudspeakers at higher volumes without batting an eyelash, singing beautifully. Just incredible music from one component.
Like the INT-60, the INT-250 utilizes the synergies developed in the .8 series power amplifiers. Unlike the INT-60, however, it brings 250 watts per channel of listening pleasure. With higher power MOSFETs and more of them, the INT-250 drives large, demanding and relatively inefficient loudspeakers at higher volumes without batting an eyelash, singing beautifully. Just incredible music from one component.
“A force to reckon with, the muscular INT-250 with 250Wpc (and 500Wpc into 4) embodies effortless dynamics, ultra-wide bandwidth, superb low-end control and grip, and effortless, unpretentious highs. The Absolute Sound’s 2023 Buyer’s Guide”
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Class: AB
Type: Stereo
Gain (dB): 30/36
Volume control (1dB steps): 63dB
Remote: yes
Inputs: 4
Outputs: 2
Power Output /ch (8 ohm): 250 Watt
Power Consumption (W): 450
Standby Power Consumption (W): <1
Dimensions (W x D x H): 19 x 21.25 x 9.1
Weight (LBS): 105
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Please contact us for pricing information.
On demo !
For the Zero range, we decided to design an integrated amplifier rather than a pre / power combination. The result is the IZero, and it has exceeded all of our expectations. Offering a level of performance that was previously considered unthinkable for an amplifier of such diminutive size and price, the IZero really is something very special, producing a bold, rich, smooth and delicate performance, whilst offering a level of fine detail finesse that is quite incredible.Valve compliment consists of four ECL82 triode / pentodes operating in Class a/b, producing 8 Watts per channel. Internally it features a level of component quality that is unmatched at this price point, including our own Audio Note (UK) custom designed and manufactured output transformers.
Please contact us for pricing information.
The new updated version of the OTO SE is available!
Originally conceived by Peter Qvortrup and designed by Andy Grove, the Oto was the first amplifier to be fully developed and manufactured by Audio Note (UK). While the Audio Note name was already famous, thanks to the legendary Ongaku integrated amplifier, the Oto proved that the company’s expertise with valve electronics could be successfully applied at a more accessible price level.
Read our blog post on EL84 tubes featured in this amplifier.
Please contact us for pricing information.
On demo !
Our latest integrated amplifier, producing 28 watts per channel from a pair of EL34 valves operating in Class A push-pull. It is capable of driving a wide variety of 'speakers thanks to its exceptional double C-core output transformers, which are custom designed and manufactured by Audio Note (UK).
Please contact us for pricing information.
On demo !
The Audio Note (UK) SORO Integrated Amplifier is a Pure Class A, producing an outstanding level of performance.
The SORO is available in a Push-Pull or Single Ended valve design.
Interesting read: Why The Audio Note SORO Deserves Your Attention
Please contact us for pricing information.
Available in our listening room for demo!
As with what we learned developing the 211 amplifiers, each element in a circuit is like each lens in a microscope, and has to be perfectly chosen and formed to correctly work with the proceeding and following lenses (or stages in the amplifier circuit).
If the lenses in a microscope are not correctly chosen and adjusted, the image becomes blurred, and detail and information is lost. The same is true for an amplifier circuit; if each stage is not absolutely correctly chosen and matched to work optimally with the rest of the amplifier, the result will be blurred, unfocused, uneven sound lacking in information.
Please contact us for pricing information.
Based on our award winning Meishu Tonmeister 300B Single Ended Triode integrated amplifier, the Konzertmeister takes the design to full Level 4 performance and component quality.
Please contact us for pricing information.
The Kapellmeister is the ultimate version of our award winning Meishu Tonmeister 300B Single Ended Triode integrated amplifier, taking the design to full Level 5 performance and component quality.
Please contact us for pricing information.
On demo !
The Audio Note (UK) JINRO Integrated Amplifier is a Pure Class A Singled Ended valve amplifier that uses the highly regarded 211 triode valve, producing a level of performance that is radically superior to the vast majority of current designs.
It uses the same circuit design and topology as the legendary Audio Note (UK) ONGAKU amplifier. However, where the ONGAKU uses silver wherever possible, such as for all transformer windings, the JINRO instead uses copper.
Interesting read: On The Audio Note JINRO
Please contact us for pricing information.
The Audio Note (UK) TOMEI Integrated Amplifier is a Pure Class A Singled Ended valve amplifier that uses the highly regarded 211 triode valve, producing a level of performance that is radically superior to the vast majority of current designs.
Sharing the circuit design found in the legendary ONGAKU and JINRO integrated amplifiers, the TOMEI bridges the gap between them. Featuring a combination of both copper and silver for the transformers, its performance is both unique and beguiling.
Please contact us for pricing information.
The ONGAKU has rightly earned a place in history; its name is synonymous with the finest possible audio reproduction, and for once the reality is equal to the Legend!
It is a Pure Class A Singled Ended valve amplifier that uses the highly regarded 211 / VT-4C triode valve, producing a level of performance that is radically superior to any other current designs.
On Demo !
HFSA-01 is a hybrid pre-main amplifier utilizing the advantages of both vacuum tube and semiconductor. The tube EL84 delivers 14W + 14W power output. The model is equipped with bass and treble controls. The input stage has a built-in phono equalizer for MM-type cartridges, along with 3-channels of RCA unbalanced input terminals.
Read our blog post on EL84 tubes featured in this amplifier.
This new amplifier is an all-tube design utilizing ECC83 and ECC82 tubes in the input stage and EL-34’s in push-pull configuration in the output stage. Extreme high component quality and meticulous design and construction. For more background information, please check here.
Interesting read: Aurorasound’s New HFSA-02. An Amplifier Outside the Ordinary
Anni is a desktop integrated amplifier that introduces our next-generation ULTIMA technology to both headphones and compact loudspeakers.
Anni is our first-ever desktop integrated amplifier. Capable of driving both headphones and compact loudspeakers, Anni benefits from the company’s proprietary ULTIMA circuit topology and is perfectly positioned to exploit the full potential of today’s high-performance headphones, desktop monitors and high-resolution audio sources.
Please contact us for pricing information.
Five years since the introduction of ULTIMA, Chord Electronics’ most accomplished amplifier topology in its history, founder/owner John Franks has trickled the technology down into a full-width integrated amplifier for the first time, setting new performance standards for single-box amplification.
The ULTIMA INTEGRATED is a class-leading 125-watt integrated amplifier benefitting from the latest dual-feed-forward error-correction topology, Chord Electronics’ legendary proprietary ultra-high-frequency power supplies, plus an unmistakable industrial aesthetic.
Music reproduction of uncanny warmth and beauty.
Read our blog post on EL84 tubes featured in this amplifier.
The integration of sophistication and technical evolution. Introducing our innovative Z series.
On demo!
L-100 CENTENNIAL, the Ultimate Pure Class-A Integrated Amplifier,
reviving our musical experience
Created to commemorate LUXMAN’s 100th anniversary, the L-100 CENTENNIAL is a pure Class-A integrated amplifier devoted entirely to the joy of exquisite music reproduction. Every element has been designed to preserve the integrity of the most delicate of musical signals while pursuing the highest level of sonic purity.
Interesting read: LUXMAN L-100 CENTENNIAL: A Century of Japanese Audio Heritage
Moonriver Audio is proud to announce a new model, the 404 Reference integrated amplifier which is the improved version of the Standard model. Following the runaway success of The Moonriver Model 404 (Standard) the Reference version moves further, by improving on the already excellent design platform of the Standard 404 model. The form, controls, ergonomics and design are similar, but the major difference is found at the heart of the amplifier: the power supplies.
On Demo !
Moonriver Model 404 is the outcome of a 3-year research, the aim being to achieve incredible performance regardless of price range. The 404 amplifier will extract hidden elements and render textures from within any audio format, with the source, speakers and room to set the limits. Its culture will suit all music, as the Model 404 is by design set to define the faintest nuances of which tone integrity is composed.
On Demo !
With several features engineered expressly to minimize distortion and reduce vibration, the Onkyo A-50 Network Integrated Amplifier is the all-in-one solution to power your perfect hi-fi setup.
Born from 80 years of Japanese audio craftsmanship, the Onkyo Muse Y-40 is an elegant 150W hi-fi centerpiece that blends timeless design, smart innovation, and effortless connectivity.
The inspiring Onkyo Muse Y-50 fuses 80 years of Japanese audio expertise into an elegant, 250W hi-fi hub with premium design, smart features, and versatile connectivity.
At Pass Labs we build Fet amplifiers with excessive output stages, huge heat sinks and massive power supplies. We use the highest quality components in simple linear topologies, assembled and tested with care and subtlety. They measure well, sound great, and are reliable. Twenty plus years of ongoing innovation have kept the X and XA amplifiers at the forefront of high-end audio.
This integrated amplifier sets a new benchmark in significantly narrowing any perceived performance gap between separate components and integrated amplifiers. Advanced technologies and real-world testing combine to create the INT-60 which presents 60 glorious watts per channel into 8 ohms, and doesn't leave class A until 30 watts thanks to its high-bias operation. This larger class A operating envelope brings lower distortion and greater loudspeaker control, delivering higher quality musical fidelity for your enjoyment.
Like the INT-60, the INT-250 utilizes the synergies developed in the .8 series power amplifiers. Unlike the INT-60, however, it brings 250 watts per channel of listening pleasure. With higher power MOSFETs and more of them, the INT-250 drives large, demanding and relatively inefficient loudspeakers at higher volumes without batting an eyelash, singing beautifully. Just incredible music from one component.
The IA-4 is our flagship and most popular integrated amplifier. Weighing a substantial 20 kilos the IA-4 has a purposeful look and impressive build quality. Plenty of input and output facilities are on offer including a high quality phono stage. The class A power output circuit has been upgraded from the A21 series with a larger power supply and improved soothing and output capacitors. Gold plated circuit boards, full relay switching and a precision input selector switch offer further detailing. The pre-amplifier section of the IA-4 is a bespoke design, with surprising clarity and detail. The most noticeable feature is the ability to create a large performance with depth and height on any type of music.
The Masterclass ANV-50 is a new integrated amplifier released to celebrate Sugden Audio’s fiftieth anniversary.
It is a unique design with many innovative features and specially developed audio circuits.
In 1967 Sugden released the world’s first solid state pure class A amplifier, the A21. The ANV-50 promises to revisit this golden age of British audio engineering, with a design focused on the demands and preferences of today’s audio enthusiast and music lover.
As the entry point into the SOULNOTE amplifier range, the A-0 ver.2 brings key technologies from the flagship A-3 and higher-end models into a simple, fully discrete, non-NFB circuit design. Its carefully selected single push-pull output stage and four-stage Darlington configuration prioritise sound quality and deliver impressive drive capability, even at low listening levels.