In 1969 Lenco released the Lenco 350. The electronics was developed and produced by Lenco. It was built with the B 52 record player, equipped with a Ronette BF 40 ceramic cartridge. Later, instead of the tone potentiometer, it got a bass and treble potentiometer and a 6.3 mm headphone socket was added. The B 52 got an antiskating and the model was internally renamed as Lenco 350A. With the latest version Lenco used the B 55 with a Ronette Stereo 107 ceramic cartridge. It was distributed in Switzerland by Ex Libris.

Lenco 350 / B 52

no anti skating yet

Output power:

Distortion:

S/N ratio:

Frequency response:

Input sensitivity DIN socket:

2 x 6 W into 4 Ω

< 2.7 % @ 4W

75 dB

40 Hz - 20’000 Hz ± 1 dB

400 mV

The PCB and the transformer were manufactured in Lenco’s own factory in Steg*. The V 420 module is based on the V 220 used in the portable mono record player Twenty VT. The photograph shows the MkI version of the L 350 amplifier.


*canton Wallis, Switzerland

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Last Update: 02.06.2021

29.05.2021

  - extended the idler wheel information

02.06.2021

  - added new Menu ‚Lenco Idler Wheel Anatomy‘