I've looked at Peter Millett's circuit for this and I have a question. Why not just use a resistor, or a couple, in parallel for the plate load? If you are using this circuit you don't need any gain but you do need current which you get in spades so why the CCS?
Edits: 04/09/16
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Topic - 6as7 "preamp". - gavinhaley 12:48:36 04/09/16 (7)
- RE: 6as7 "preamp". - Tre' 12:59:00 04/09/16 (6)
- RE: 6as7 "preamp". - gavinhaley 13:22:43 04/09/16 (5)
- RE: 6as7 "preamp". - Tre' 14:04:33 04/09/16 (4)
- RE: 6as7 "preamp". - gavinhaley 14:15:59 04/09/16 (3)
- RE: 6as7 "preamp". - Tre' 15:31:16 04/09/16 (2)
- RE: 6as7 "preamp". - gavinhaley 15:39:48 04/09/16 (1)
- RE: 6as7 "preamp". - drsx 10:32:31 04/11/16 (0)