4-Channel Amplifier AA-2004

• alternative name: Heath Company

The Heathkit AA-2004, with 260 watts to match your every mode matrixed and discrete 4-channel, stereo or mono.

PERFORMANCE TO MATCH YOUR MOST EXOTIC SYSTEM
Compare the conservatively rated specs for yourself.
Power bandwidth on all channels from less than 5 Hz to more than 45 KHz for 0.25% total harmonic distortion. IM distortion less than 0.2%. Damping factor greater than 100. Hum and noise - 65 dB for phono, -75 dB for tape and auxiliary. A 50-volt DC regulator supplies power to all preamp stages. A 10-amp bridge rectifier supplies power to the four power amps.

AA-2004 SPECIFICATIONS- Dynamic power output per channel: 50 W (8 ohm load), 65 W (4 ohm), 30 W (16 ohm). Continuous power output per channel: 35 W (8 ohm load), 35 W (4 ohm), 25 W (16 ohm). Power bandwidth for constant 0.25% total harmonic distortion: Less than 5 Hz greater than 45 kHz. Frequency response (1 W level): -1 dB, 7 Hz to 50 kHz, -3 dB, 4 Hz to 90 kHz. Harmonic distortion: Less than 0.25% from 20 Hz to 20 kHz @ 35 W output. Less than 0.1% @ 1000 Hz with 1 W output. Intermodulation distortion: Less than 0.2% with 35 W output, using 60 and 7,000 Hz mixed 4:1. Less than 0.1% @ 1 W output. Damping factor: Greater than 100. Input sensitivity: Phono: 2.2 mV. Tuner, Aux. Tape, Tape Mon: 180 mV. Input Over- load: Phono: 155 mV. Tuner, Aux, Tape, Tape Mon: Greater than 10 V. Tape output: 1.4 V output with 0.2 V input. Hum and noise: Phono (10 mV reference: -65 dB. Tuner, Aux, Tape, Tape Mon (0.25 V reference): -75 dB. Volume control in minimum position: -90 dB referred to rated output. Channel separation: Phono: 50 dB. Tuner, Aux, Tape, Tape Mon: 55 dB or better. Recommended speaker impedance (each channel): 4 through 16 ohm. Tape output impedance: Approx. 50 ohm. Input impedance: Phono: 49k ohm (RIAA equalized). Tuner, Aux, Tape and Tape Mon: 100k ohm. Rated IHF (Institute of High Fidelity) Standards.

Kit AA-2004, 37 Ibs., less cabinet, mailable 349.95
AAA-2004-1, pecan cabinet, 7 Ibs., mailable 24.95

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