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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Please don't start this nonsense again posted by sony6060 on August 24, 2023 at 19:20:15:
Like the dyna st70 it is fixed bias. It also uses 6ca7s running 50 ma each.
There is .68 volts across the 6.8ohm sense resistor. The -36 volts bias is supplied by the negative supply and applied to the grid by the bias controls.
Tre'
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Follow Ups
- Here's the output stage of the Marantz 8 - Tre' 08/25/2306:11:47 08/25/23 (5)
- Here's VTL explaining biasing their amps - Tre' 06:32:11 08/25/23 (4)
- Here is another fixed bias amplifier - Tre' 06:47:00 08/25/23 (3)
- for contrast here is an amplifier with cathode biased output tubes - Tre' 09:25:50 08/25/23 (2)
- He has abandoned ship - Triode_Kingdom 12:05:15 08/26/23 (1)
- Maybe. nt - Tre' 17:04:07 08/26/23 (0)
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