In 1972 several improvements were made and it was internally renamed as Lenco L 350A Stereo. It got a re-designed front panel, now with a bass and treble potentiometer and all operating elements have moved to the right. It was still built with the B 52 record player, equipped with a Ronette Stereo 107 ceramic cartridge. Between September 1972 and October 1972 a 6.3 mm headphone socket was added. The B 52 got a spring loaded anti skating. With the latest version Lenco used the B 55 with a Ronette Stereo 107 ceramic cartridge. It was distributed in Switzerland by Ex Libris and sold for CHF 280.—.
Lenco 350A MkI front panel
Lenco 350A MkII / B 52
now with anti skating and a headphone socket
Input sensitivity DIN socket:
2 x 6 W into 4 Ω
< 2.7 % @ 4W
40 Hz - 20’000 Hz ± 1 dB
Original Lenco 350A MkI operating manual
The PCB and the transformer were manufactured in Lenco’s own factory in Steg*. The photograph shows the MkI version of the L 350A amplifier. The V 425 module is based on the V 220 but with a better stabilized power supply. It is now divided into two parts
*canton Wallis, Switzerland
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Last Update: 02.01.2023
- Minor cosmetic changes