I've worked on several JM amps. All with EL34 outputs, mounted upside-down. I so

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    Mack471posted 8 years ago

    I've worked on several JM amps. All with EL34 outputs, mounted upside-down. I soon realized why...

    he'd done this. To stop grid wires and cathode material causing shorts between the pins in the bottom of the valves. A wise man indeed!?"

 
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