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REMARK:
Valves are very sensitive to mechanical shocks. Therefore, we recommend not to move the
unit when the valves are hot. Always let them cool down for a while. Avoid sudden temperature
changes, e.g. when the unit is moved from a cold room to a heated room. Always leave it idle for a
while, so it can adapt to the new environmental condition.
A valve that breaks down starts glowing cherry red. Turn off the unit immediately. Usually, the 47
ohm/1W cathode resistor of the defective valve will also need replacement.
If you have the impression that for some reason, the unit still does not operate as it should, you can
send it to our technical dept. for inspection. Send the PCB only, not the enclosure or the transformers.
Use the original box. Include a detailed description of the fault. Check www.velleman-kit.com for your
nearest Velleman dealer.
Velleman wishes you many hours of listening pleasure !
