Stereo in a portable
This B 20-2 includes two mono tube amplifiers modules manufactured by Lenco. Electrophones were common at the time - mostly only mono - but some were also Stereo like this one. The label they used is rather odd* and was probably used only in this model. It was manufactured in the early sixties (1960 - 1963).
Top view
Lenco B 20-2 Stereo
Lenco B 20-2 Stereo with two external loudspeakers
Top view with idler wheel
Philips AD2690M
5Ω / 6W / 65Hz - 18’000Hz
Bottom view
motor with eddy current brake
One of the tube amplifiers modul
* odd label probably used
only in this model
PCB of the tube amplifier
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Last Update: 13.10.2023
