Integrated Stereo Amplifier Alpha 3

A stereo hi-fi integrated amplifier with output power of 40 watts per channel into 8 ohms. Bass and Treble tone controls with Direct tone bypass switch, Tape Monitor switch. RCA input sockets for Video, Tuner,  CD and Phono (MM cartridge), RCA input/output sockets for tape recorder. 4mm switched and direct sockets for 2 pairs of loudspeakers and a jack for headphones.

Specification
(Noise and sensitivities ref. 40W into 8 ohms at 1kHz.)
Output Power (typical)  
Both channels driven into 8 ohms:   40W (20Hz-20kHz at 0.5% THD)
Single channel driven at lkHz into 8 ohms: 50W typ. Into 4 ohm 80W typ.
Harmonic distortion: at 30W, 8 ohms at 1kHz 0.02% typ.
Frequency Response
Phono Input:    typ ±0.5dB 60Hz-20kHz,-3dB at 20Hz
Other Inputs:   typ ±0.5dB 10Hz-20kHz
Inputs
Phono (suitable for MM and 'high-output' MC cartridges
Sensitivity:          2.2mV, impedance 47k ohm/100pF
S/N ratio CCIR:   75dB
CD, tuner, tape and video
Sensitivity:         170mV
S/N ratio CCIR:   95dB
Input impedance: 20k ohms
Outputs
Tape output
Nominal output level: 150mV, impedance 2k ohm
Headphones
Maximum output level into 600 ohms: 10V rms
Output impedance: 330 ohms.
Suitable for headphones of 8 ohm to 2k ohm impedance.
Loudspeakers
Nominal output level 40W per channel. Suitable for speakers of 4 ohm or higher nominal impedance.

Power supply
240V nominal 230VA, may be dealer adjusted to 220V and 120V nominal.
(100V model to special order)

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