STEREO 70

With its operation in CLASS A and with the KT 88 lamp at three-way operation apparently offers the best results.

The feed is 3 times up from that which is needed and this gives to the amplifier the possibility of an energy convenience at the speaker. The protective glass is PYREX so as to withstand the high temperature that produce the 10 lamps that protects. The frame of the system is of tropical Abura wood for the maximum resistance in the high temperatures.

MAIN CHARACTERISTICS

Output power: 2 x 70wrms class a for loads of 4 or 8 ohm Power bandwidth: 15hz - 40khz (-3db ref. 50w) Frequency range: 10hz - 70khz (-3db ref. 1w) Signal-to-noise ratio: > 105db (a-weighted ref. 50w) Channel separation: > 75db (ref. 50w) Input impedance: 47kohm Input sensitivity: 0.35v rms Damping factor: > 12 (100hz) Valves: 8 x kt88 2 x ,12at7 1 x 2au7 Harmonic distortion: 0.1% at 1w/1khz Preamp input: 4 X Line Valves: 2 X 6DJ8

 

 

 

 

 

 

 

 

Weight 27kg.

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