AP2140A Amplifier

A modular amplifier adapts to your needs

ap2140Operetta's basic two-channel AP2140A amplifier is a lot more than  just two channels of stunningly competent power. At its heart is a modular design that allows our customers to modify it to suit them.

legance, simplicity and attention to detail rule its design. At its core sit two power modules comprising National Semiconductors' LM3886 High-Performance Audio Power Amplifier IC. Each module produces 70 watts into 8 ohms, modest by modern standards, but like tube amps, these are sophisticated watts. More importantly, the combined attention to circuit geometry and quality components yields power with total harmonic distortion so low it left National Semiconductors' own engineers double checking their instruments.

All of this represents an elegantly radical approach to circuitry so effective as to belie numbers. The proof is in the listening: laser-like focus, precise separation, deft detail, and sweeping soundstage.

Yet simplicity also drives a remarkably modest price, value compounded by Jaton's inherent flexibility. Modular design means the basic AP 2-140 series chassis is ready, willing and wired to accommodate from two to five amp modules. Adding modules is a simple plug-and-play operation, not much more complicated than changing a light bulb. The basic two-channel stereo amp is easily expandable at any time, to four channels for bi-amping, or five channels for a full-on home theater system.

The AP2140A and AP5140A are final assembled and tested in our headquarter Fremont, California. It's clean and simple chassis is available in three finishes: black panel bordered by mirrored aluminum, silver with mirrored aluminum or simple silver.

Max Distribute Power 140 Watts @ 4 Ohm,70 Watts @ 8 Ohm
Distribute Channel 2 Channel
THD + N % < 0.01% @ 8 Ohm, 1 kHz, 70 Watts
Frequency Response 16 Hz ~ 40 kHz, +/- 3 dB
Max Output Level 23 Vrms
Input Sensitivity for 1W output 84 mVrms
Dynamic Range 150 dB
Max Gain 30 dB
Max Power Consumption 950 watts
Input Impedance 4 k Ohm
Input Connection 2 of Unbalanced gold plated RCA
Output Impedance 4, 6, 8 Ohm
Output Connection 2 Pairs of 5 Way Binding Posts
Dimensions 17.0”(W) x 7.5”(H) x 14.5”(D)
Weight 47 LBS
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AP2140A Amplifier

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  • User's Feedback AP2140A

    By Roger McCuaig , Gatineau, Quebec , Canada

    The Operatta is an excellent amplifer. Of course that's what you should expect when you pay over $1000. for a 70 Watt ster...Read

  • User's Feedback AP2140A

    By Yves Arsenault , Gatineau, Quebec , Canada

    I am really pleased with my new Operetta.  The music is very 'physical', there is a great stereo 'image'....Read

  • Dealer Comment AP2140A

    By Luc Morin, Stereo Passion

    I had a chance to listen to the Operetta connected to a pair of Magnepan 20.1 speakers and it sounds wonderful. I also tested it...Read

  • Dealer Comment AP2140A

    By Harold Cooper, Sound Consultant

    Jaton “High Performance” AudioThis one was a BIG SURPRISE!   I saw the name “Jaton” at CES in ...Read

  • User's Feedback AP2140A

    By Rodney Hallsworth, Ontario, Canada

    I went to audition the Operetta AP2140A after Luc Morin wrote a rave review on his website.  I am the one who brought a 1...Read