deBont Vidur Instrukcja obsługi - Strona 8

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█ How to replace tubes

Preamp tubes, or small signal tubes, as used in the vidur preamp, will last for many years. If

one does get faulty, or you want to experiment with different makes and models, you can

replace them yourself!

!WARNING! N ever turn the amp on when the top cover is removed. The voltages used

inside the Vidur preamp are lethal!

1) Turn the preamp off.

2) Unplug the power cord.

3) Let the tubes cool down and the power supply drain and remaining energy for about 20

minutes.

4) Remove the top cover.

5) Carefully and slowly remove the tube you want to replace by gently pulling and ever so

slightly wiggling it. Easy does it.

6) Press the new tube into the socket. It can only go in one way. Don't force anything.

7) Replace the top cover and tighten screws.

8) Turn on the amp and rock on.

deBont Amps Vidur Tube Preamplifier Owner's Manual