Anyone knows what driver tube on DowdyLama's GM-70...... - diyAudio
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Old 24th December 2011, 03:22 AM   #1
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Default Anyone knows what driver tube on DowdyLama's GM-70......

.....Can you tell from the clip?

DowdyLama GM-70 amp at Gerry's Place with WE 754/Jensen RP302 speakers - YouTube
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Old 24th December 2011, 03:45 AM   #2
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The 826
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Old 24th December 2011, 08:12 AM   #3
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What is the plate resistance of this tube? The mu seems pretty high (31) and its voltage is super high (way over ,ooo range)!!
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Old 28th December 2011, 01:35 AM   #4
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826 R(p) is < 20k.
B+ is approx 515 vdc.
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