• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Preamplifier ELRAD "RÖHRLING" using ECL86 - what value is the best for An. Voltage ?

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Preamplifier ELRAD "RÖHRLING" using ECL86 - what value is the best for An. Voltage ?

In the German magazine ELRAD (Jul/Aug 1989) was published a large preamplifier - go to the attachments.
Unfortunately no exact value is mentioned in the text for the adjustment the serial voltage regulator - go to first image.
Thank you for an advice concerning best voltage value for longest life expentancy of the ECL86.

P.S.: An overview of this magazine is here:
Seite nicht gefunden - Musikelektronik
 

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