Stereo Integrated Amplifier (1963)
The Eico model ST-70 is a complete high fidelity stereophonic control centre and a pair of 35 watts amplifiers, all in one chassis.
With it, you can select, preamplifiy, and control any stereophonic or monophonic source and feed it through the self contained dual 35 watt amplifiers to a stereo pair of speaker systems.
Provision is made for operating a centre speaker directly from the ST-70.
Power output: 35 watts per channel into 8Ω (stereo)
Frequency response: 18Hz to 43kHz
Total harmonic distortion: 1%
Damping factor: 6
Input sensitivity: 4mV (MM), 480mV (line)
Speaker load impedance: 4Ω to 16Ω
Valve complement: 3 x 12AX7, 2 x 12DW7, 2 x 6SN7GTB, 4 x 7591, 1 x GZ34
Dimensions: 5-1/8 x 15-7/8 x 15 inches
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