In Reply to: SE 45 active parafeed breadboard ... posted by deathtube 667 on May 6, 2015 at 17:16:54:
Took some basic circuit measurements:The overall gain is .96
THD% = .91 @ .485W with 1KHz sine input.
Did not have enough voltage output from soundcard to reach 1W.
With signal generator, Power Out before clipping was just over 1W.
I will probably look for a higher gain driver stage than C4S 6SN7 for better level matching in a multi-amp system.
Edits: 05/11/15
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Follow Ups
- RE: measurements ... - deathtube 667 18:46:40 05/10/15 (26)
- RE: measurements ... - rage 09:07:29 05/11/15 (23)
- RE: 6SL7 C4S driver ... - deathtube 667 17:50:45 05/11/15 (22)
- RE: 6SL7 C4S driver ... - Tre' 19:54:23 05/11/15 (21)
- RE: 6SL7 C4S driver ... - Al Noakes 06:37:03 05/13/15 (16)
- RE: 6SL7 C4S driver ... - drlowmu 09:57:05 05/13/15 (15)
- RE: 6SL7 C4S driver ... - Al Noakes 10:34:05 05/13/15 (14)
- RE: 6SL7 C4S driver ... - Triode_Kingdom 11:12:08 05/15/15 (0)
- RE: 6SL7 C4S driver ... - Lew 10:46:35 05/15/15 (0)
- RE: 6SL7 C4S driver ... - LinuxGuru 10:56:42 05/13/15 (11)
- RE: 6SL7 C4S driver ... - Al Noakes 14:21:24 05/13/15 (10)
- RE: 6SL7 C4S driver ... - drlowmu 10:25:25 05/14/15 (1)
- RE: 6SL7 C4S driver ... - Al Noakes 23:59:35 05/14/15 (0)
- RE: 6SL7 C4S driver ... - deathtube 667 08:42:26 05/14/15 (7)
- RE: 6SL7 C4S driver ... - Al Noakes 23:55:51 05/14/15 (4)
- RE: send in the clowns ... - deathtube 667 17:06:42 05/15/15 (3)
- RE: send in the clowns ... - Al Noakes 03:27:30 05/17/15 (2)
- RE: you are correct ... - deathtube 667 08:57:04 05/17/15 (1)
- Beautiful Job !!! - drlowmu 07:21:00 06/01/15 (0)
- RE: 6SL7 C4S driver ... - rage 16:13:48 05/14/15 (1)
- RE: 6SL7 C4S driver ... - drlowmu 09:27:37 05/15/15 (0)
- RE: 6SL7 C4S driver ... - hennfarm 17:04:47 05/12/15 (0)
- RE: 6SL7 C4S driver ... - Mr_Steady 16:26:51 05/12/15 (2)
- RE: 6SL7 C4S driver ... - Tre' 19:08:32 05/12/15 (1)
- RE: 6SL7 C4S driver ... - Mr_Steady 08:32:14 05/13/15 (0)
- RE: 6SL7 C4S driver ... - deathtube 667 15:01:54 05/12/15 (0)
- RE: measurements ... - hennfarm 22:19:03 05/10/15 (1)
- RE: measurements ... - deathtube 667 03:35:04 05/11/15 (0)