The tube amplifier was still different to the latest versions as it used an ECL 82 tube instead of the ECL 86. The PCB was again manufactured by Ruwel but the label on it says ‘Lenco’.


It was distributed in Switzerland by Ex Libris as ‚Seventeen’ for 145 CHF. There was also a battery powered version named ‘Seventeen Transistor’


In spring 1961 Lenco used their logo different as it was all in lower case letters but in autumn 1961 they were back to the normal. The ExLibris logo was also abandoned

J-585 early version

February 1961

J-585 loudspeaker in the cover

February 1961

J-585 inside view

February 1961

The separate power switch

February 1961

V 2xx circuit diagram

unofficial drawing

Tube amplifier modul with ECL 82

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Last Update: 13.10.2023

13.10.2023

- Cosmetic changes