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In Reply to: All good points posted by 1973shovel on August 14, 2021 at 08:14:55:
Don't tell anybody but I once took a hole punch to a Citation II and put a 6sn7 based Williamson front end with low NFB. I up-tapped the output transformer to get a higher impedance for the triode strapped 6550s.
Less power but it's a great sounding amp in a bi-amped situation (crossover at 100Hz) with the lows filtered out at the input. (when you up-tap an output transformer the reflected impedance goes up but the primary inductance doesn't change so the LF -3db point goes up an octave)
My cousin still uses that amp and loves it.
Looking back, I could have just built the thing with 6cg7s and kept the value instead of "cutting up" the chassis but at the time Cit IIs weren't worth that much. I think I paid $100 for that one. I owned 4 of them at one point.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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Follow Ups
- RE: All good points - Tre' 18:25:44 08/14/21 (15)
- "Don't tell anybody" - 1973shovel 05:24:29 08/15/21 (14)
- RE: "Don't tell anybody" - Triode_Kingdom 07:15:54 08/15/21 (2)
- RE: "Don't tell anybody" - PakProtector 16:37:56 10/25/21 (0)
- "Wish I had bought a dozen of these" - 1973shovel 04:46:55 08/16/21 (0)
- RE: "Don't tell anybody" - Tre' 06:32:28 08/15/21 (10)
- "There's more to life than money" - 1973shovel 05:01:00 08/16/21 (9)
- RE: "There's more to life than money" - Tre' 08:39:54 08/16/21 (8)
- Nice - 1973shovel 03:24:18 08/17/21 (1)
- RE: Nice - pictureguy 16:45:11 11/04/21 (0)
- Very Cool! - Triode_Kingdom 09:46:16 08/16/21 (5)
- I'd say that is a great story - 1973shovel 03:39:12 08/17/21 (3)
- RE: I'd say that is a great story - PakProtector 08:11:10 08/17/21 (2)
- Sounds like fun (nt) - 1973shovel 08:10:36 08/18/21 (1)
- RE: Sounds like fun (nt) - PakProtector 08:47:06 08/26/21 (0)
- "12 degrees" somehow that doesn't sound like fun. nt - Tre' 09:53:25 08/16/21 (0)