Quote:
Originally Posted by lesmarshall
Turn on the amp on and when it starts buzzing, take a pencil with an eraser and gently tap each of the driver tubes with the eraser and see if the amount of buzz or volume of the buzzing changes in a any way. If so, it's most likely a bad or microphonic tube. If you don't hear any difference after having tapped all six driver tubes, try the same thing with the power tubes .
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Certainly appreciate people giving advice/etc to this customer-
But under NO circumstance should you ever tap a tube. Especially power tubes. It can actually cause damage to the delicate innards.. Tapping a tube will, of course, amplify the tapping. This won't tell you anything. A microphonic tube would be noisy without any assistance from a pencil eraser.
Typically service issues are dealt with by the Dealer who sold the product and/or Tone Imports. If that is not possible or if it is something that requires further assistance by Shindo-San, it is simply sent to Japan.
International Express shipping is a very straightforward easy process at USPS, btw. It typically takes less than 5 days via USPS/EMS service. Additiionally, Shindo is quick and decisive with repairs
-M