The Lenco L 4000 Music Center was introduced around 1975. The Electronics was imported from Germany. It was assembled in Switzerland and mainly distributed in Switzerland through ExLibris. FM-Tuner with 5 pre-set’s, LW, MW, and SW bands for AM.


First series were equipped with the L 65, later units had the L 84 record player. ExLibris sold it for CHF 1’250.— including the dust cover and 2 Lenco 2440 speakers.

Lenco L 4000 / L 65

Lenco L 4000 / L 65


The LW range has a switchable BW filter for 9 kHz and 30 kHz. It could be switched with the MONO Button. It is labeled with MONO / TR

Lenco L 4000


Power stage

Lenco L 4000


Part of the electronics

Lenco L 4000


Stereo Decoder - FM-IF - AM-Part

Lenco L 4000


RIAA-Pre-Amp

Output power:

Distortion:

Input sensitivity DIN socket:

2 x 22 W into 4 Ω

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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‘