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ATC P1 Pro

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ATC P1 Pro stereo power amplifier
ATC P1 Pro front ATC P1 Pro side ATC P1 Pro back

£2800

ATC P1 Pro - The Ear (UK) review

ATC P1 Pro

ATC P1 Pro - The Ear (UK) review
  • I have long been a fan of ATC loudspeakers, both passive and active, they are more subservient to the whims of the music than most loudspeakers and can deliver genuinely wide dynamic range when adequately driven. When I reviewed the SCM19 standmounts earlier in the year I got to borrow a P1 power amplifier at the same time and got a fabulous result with the pairing, but then I carried on using the amp and found that it worked with a wide range of speakers.
  • The more I used the P1 the more I was impressed that an amplifier at its price could do such a good job. It has real grip in the low end for a start, a rare commodity at almost any price, and yet it doesn’t have the graininess of most high power transistor amps. It’s not as smooth as a class A, nor as nimble as a single ended triode but it has less character than either and lets you hear the full power and glory of everything you throw at it. It is also very competitively priced indeed. Jason Kennedy
 
ATC P1 - Stereophile - "Class A Recommended Components 2016"ATC P1 - Stereophile - Stereophile's Editors Choice of 2017

ATC P1

ATC P1 - Stereophile - "Class A Recommended Components 2016"
  • Stereophile "Class A Recommended Components 2017"
  • No strangers to the making of solid-state amplifiers—ATC has, for decades, specialized in building self-powered speakers for the pro and domestic markets—the British firm now sells a 150Wpc standalone power amplifier. The P1 is said to offer wide bandwidth (2Hz–400kHz) and a high damping factor (400), plus true balanced inputs alongside its unbalanced RCA jacks. (ATC recommends the former for best performance.)
  • After spending a number of weeks with the P1, JM concluded that "the P1 did not editorialize on the music; it just delivered it." Indeed, his time with the ATC P1 led JM to wonder if perhaps another recommendable amp was, by comparison, adding a bit of "zip" to the sound, "and that perhaps the ATC P1 was telling the story straight."
  • JM concluded: "I am unaware of any other amplifier built from discrete components with this level of build quality, and from a firm with a record of accomplishment similar to ATC's, that offers so much excellent wattage at such a comparatively low price." (Vol.37 No.10 WWW)
 
ATC P1 - Stereophile - "Class A Recommended Components 2016"ATC P1 - Stereophile - Stereophile's Editors Choice of 2016

ATC P1

ATC P1 - Stereophile - "Class A Recommended Components 2016"
  • Stereophile "Class A Recommended Components 2016"
 
ATC P1 - Stereophile - "Class A Recommended Components 2015"ATC P1 - Stereophile - Stereophile's Editors Choice of 2015

ATC P1

ATC P1 - Stereophile - "Class A Recommended Components 2015"
  • Stereophile "Class A Recommended Components 2015"
 

ATC CA2 & P1- Hi-Fi Choice reviewATC CA2 & P1- Hi-Fi Choice review

ATC P1 & CA2

ATC CA2 & P1- Hi-Fi Choice review
  • Large and spacious recorded acoustic, powerful bass and sparkling highs. Effortless dynamics, and a general insouciant ease when asked to reproduce powerful musical peaks.
  • The ATC combo places the different elements of the mix very accurately in space; both left to right and front to back. I am not used to hearing this song with such clarity; and extension to Paul McCartney’s vocals, which come over in a really intimate way – I almost get the feeling I am in the vocal booth with him.
  • This amplifier combo proves to have an excellent midband then, very transparent and with no small amount of space and depth.
  • An excellent performer, this is a true slice of affordable esoterica – you get a taste of what a really top-flight high-end pre-power amplifier will do, without having to remortgage your house in the process. The ATC CA2/P1 pre-power amplifier combination may be slightly quirky and fiddly in some ways – seeming very much the product of a specialist British manufacturer – yet it has great appeal to those that are interested in getting a serious bang for their buck, so to speak, and so it comes highly recommended
  • CA2: Clean, crisp and detailed sound; Effective performer that’s a fine partner for the P1
  • P1: Powerful, clean and very open sound; A hidden treasure – in power amplifier terms
 
ATC P1 - Stereophile - The Fifth Element #87

ATC P1

ATC P1 - Stereophile - The Fifth Element #87
  • After some weeks of listening I began thinking of it as the strong, silent type.... the P1 did not editorialize on the music; it just delivered it.
  • The P1's essential sound was very satisfyingly rich and full. That the P1 had gobs of power did not become apparent until its reserves were called for.
  • The sound of this system through the P1 and ATC's own SCM19 speakers was unusually coherent and seamless from midrange to treble, and the bass had me thinking that this might be all the bass a normal person needs.
  • I am unaware of any other amplifier built from discrete components with this level of build quality, and from a firm with a record of accomplishment similar to ATC's, that offers so much excellent wattage at such a comparatively low price.
  • If you're shopping for an amp, try to hear this one.  John Marks - The Fifth Element #87
 
ATC P1 - What Hi-Fi 5 Stars review cover

ATC P1 & CA2

ATC P1 - What Hi-Fi 5 Stars review
  • If you want to hear the recording unvarnished, there are few better ways of doing it at this price level.
  • Transparent, honest and revealing presentation
  • "Honesty shines through ... over the long term we think the CA-2/P1's greater honesty wins out"
 
ATC P1 - Hi-Fi News review cover

ATC P1

ATC P1 - Hi-Fi News review
  • Best described as clean, stark and uncluttered, it can first appear slightly underwhelming. But it grows on you the more you listen in, as you begin to appreciate that it’s what is missing – the lack of mechanical’ boom ’n’ tizz – that makes it so delightfully revealing of detail and sound textures.
  • A robust design that produces a sound noticeably free of adornment.
 
ATC P1 & CDA2 - Hi-Fi + review cover

ATC P1 & CDA2

ATC CDA2 & P1 - Hi-Fi i Muzyka review
  • Best Stereo system Hi-Fi i Muzyka, 2014 Award.
  • The sound is characterized by neutrality and linearity study . The transparency reminds of headphones, and the dynamics gives the impression as if possessed kilowatt .
  • The sound is so realistic and has the momentum that we feel like at the concert. Not only did this in concert halls, but also rock , just before the stage. Impressions are spectacular, and the return to "normal " equipment - often painful.
  • The price is ... low and does not reflect the class British set.
 

ATC P1 & CDA2 - Hi-Fi + review cover 1

ATC P1 & CDA2 - Hi-Fi + review cover 2

ATC P1 & CDA2 - Hi-Fi + review cover 2

ATC P1 & CDA2

ATC CDA2 & P1 - Hi-Fi i Muzyka review
  • First impressions are dynamics, mass and energy of sound. Brute force reveals terminations at each jump the fan sound. It seems that there is no possibility that the amp ran out of steam. 
  • These 150 watts creates a downright shocking effect, overgrown make my Mac MA7000. Concerts rock, symphonic orchestra tutti, electronic wall of sound Massive Attack - all for ATC as the bull potato. 
  • The duo swallows every challenge and before we thank you for such an impressive performance, poured more blows. Likewise, the sound instantly expires; is controlled just perfect. These things we hear from MBL-a monoblock and other horribly expensive power plants.ATC may only offer less sophistication. Playing for it normally. No frills, colorations or building unnatural, though pleasing to the ear of effects. From the beginning, you may not like a rave, but parting with it will be painful. Once you hear natural-sounding instruments, will be difficult to go back to the mystified version.
  • You can catch a little Audio Research accurateness and indifferent Spectral precision, but after a while I feel that comes to the fore another priority: transparency. 
  • Regardless of the degree of complexity and clutter instruments, the sound is drawn on graph paper, with clear contours. It can therefore be a heavy metal guitar extract individual rows, although others also play in the same band. 
  • Easy to fish will squeak of chairs or other attractions, which usually remain hidden. ATC, as perhaps no other amplifier, showed the work of a piano pedal mechanism on our starenkim sampler. MBL has the same advantages, but I always try to stay smooth and velvety. Meanwhile, the ATC is not afraid to sharply sip or make a noise. Perhaps some consider it as a disadvantage, but I see this as a boon inventory.flawlessly system also shows the quality of the recording. Interestingly, many of the classics from the 60s and 70s can sound surprisingly fresh.
  • CDA2 Player - phenomenal. Both because of the sound, as well as on-board preamp. For the active column is a complete hi-end system.
 
ATC ATC P1 & CA2 - Hi-Fi + review cover

ATC P1 & CA2

ATC P1 & CA2 - Hi-Fi + review
  • The quality of timing is so good that the musical flow is totally unhampered, free to go where it wants to with a strong sense of purpose.
  • Despite having a slightly lower power rating than the Gamut, it has stronger bass. This underpins records like Antonio Forcione’s Tears of Joy to great effect, revealing more about the space he’s playing in than other amps...
  • Using both CA2 and P1 together through the 802Ds provided a full scale, full power experience that brings dynamic recordings to life.
  • If you want to hear the important musical detail presented in a coherent, clear-cut fashion this pairing has remarkably little competition in the two box arena.
 
ATC CA2 & P1 - Wave Magazine (Thailand) review cover

ATC P1 & CA2

ATC CA2 & P1 - Wave Magazine (Thailand) review
ATC CA2 & P1 - Wave Magazine (Thailand) review cover

ATC P1 Pro Features:

  • True dual-mono design delivers full power simultaneously from both channels, with minimal crosstalk
  • Grounded source class A/B circuit topology as found in ATC’s renowned active loudspeakers.
  • Ultra wide bandwidth, low distortion and high dynamic range ensure tonal accuracy and perfectly timed transients.
  • No compromise, high performance power supply and large heatsinks guarantee outstanding stability and long term reliability.
  • A perfect match for any passive studio reference monitor.
  • 19” Rack mountable convection cooled chassis
  • Hand built in the UK and supported by a 6 year warranty.

Specifications

Output Power: 150W (8 Ω, 1kHz, continuous. avg., both channels driven)
Input Sensitivity: 2V RMS (ref. 150W out)
Input Impedance: 10kΩ/leg
Frequency Response: <2Hz – >400kHz (-3dB)
Signal to noise ratio: >115dB (IEC ‘A’)
Crosstalk: >100dB (10Hz – 20kHz)
THD: >0.002%/-95dB (8 Ω, 1kHz, -1dB below full Power)
Damping Factor: >400 (8 Ω)
Dimensions (HxWxD): 141.1 x 482.6 x 365.6 mm (3U tall with feet removed)
Weight: 20kg

ATC P1 Pro detail
 
ATC P1 Pro cut sheet
Cut sheet
 
 
   

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