Audio Note Kits Forum

RE: 5687 instead of 6sh7 in interstage amplifiers?

203.177.164.162

In Reply to: RE: 5687 instead of 6sh7 in interstage amplifiers? posted by richardcooper2k on January 15, 2008 at 15:47:53

you can parallel a 5687 for around 70mA driving current. plus you get a better impedance match.

but check 5687 tube curves to determine your operating points. You may have to have a separate mains transformer.

Follow Ups:

RE: 5687 instead of 6sh7 in interstage amplifiers? - GTCharlie 19:39:45 01/16/08 (2)
- RE: 5687 instead of 6sh7 in interstage amplifiers? - Bambadoo 00:14:19 01/17/08 (1)
  - RE: 5687 instead of 6sh7 in interstage amplifiers? - GTCharlie 02:14:25 02/27/08 (0)

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