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300B Tube and Amp Questions
300B Tube and Amp Questions
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Old 21st August 2012, 06:13 PM   #1
whaleman is offline whaleman  United States
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Default 300B Tube and Amp Questions

Weird box inside this amp, clocking device? Not sure its purpose...
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Last edited by whaleman; 8th September 2012 at 11:02 PM.
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