jonhard

Responses from jonhard

Does anyone care to ask an amplifier designer a technical question? My door is open.
Thank you for posting this.  I have a question specific to a tube tester I own and use.  It is a Weston 981 Type 3;  it incorporates a line check adjustment where the line voltage is adjusted to a mark on the meter.  When I test 6550 or KT88 tubes...