Tubes Asylum: RE: What values are you biasing the output tubes? by ivan_terrible

Tubes Asylum: RE: What values are you biasing the output tubes? by ivan_terrible

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RE: What values are you biasing the output tubes?

178.47.91.49

ivan_terrible

In Reply to: RE: What values are you biasing the output tubes? posted by john65b on April 21, 2019 at 14:05:51:

"I can fault Quicksilver was a couple things, like 390uf right after an expensive 5AR4 rectifier?"
Yes that's not only stupid,- but stupid AND ignorant.

So QS are clearly so pig ignorant in their PSU designs they wouldn't of course even have heard of damper diodes!

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The Cable Cooker

Topic - Quicksilver KT88 mono amps - McKinneyMike 16:27:49 03/25/19 ( 66)

RE: Quicksilver KT88 mono amps - petercapo 13:46:56 04/3/19 ( 7)
- RE: Quicksilver KT88 mono amps - ivan_terrible 10:50:17 04/8/19 ( 6)
  - RE: Quicksilver KT88 mono amps - petercapo 13:55:03 04/8/19 ( 5)
    - RE: Quicksilver KT88 mono amps - SETdude 12:35:17 04/21/19 ( 2)
      - Quicksilver - petercapo 13:11:42 04/21/19 ( 1)
        
        RE: Quicksilver - SETdude 01:08:38 04/22/19 ( 0)
    - RE: Quicksilver KT88 mono amps - ivan_terrible 19:36:13 04/8/19 ( 1)
      - RE: Quicksilver KT88 mono amps - petercapo 05:43:54 04/12/19 ( 0)
RE: Quicksilver KT88 mono amps - Connors 04:57:48 04/1/19 ( 2)
- RE: Quicksilver KT88 mono amps - ivan_terrible 14:24:55 04/2/19 ( 1)
  - RE: Quicksilver KT88 mono amps - Connors 07:56:27 04/3/19 ( 0)
RE: Quicksilver KT88 mono amps - niws 13:16:48 03/31/19 ( 1)
- Years ago I heard the QS 8417's with those Vandies at Audio Connections (John Rutan). Sounded great to me. nt - Rick W 11:09:34 04/2/19 ( 0)
It's not scientific but - airtime 13:05:08 03/27/19 ( 13)
- RE: It's not scientific but - blakey 14:06:02 03/27/19 ( 12)
  - RE: It's not scientific but - Jim McShane 15:01:37 03/27/19 ( 11)
    - RE: It's not scientific but - blakey 15:47:24 03/27/19 ( 10)
      - " no amount of tweaking is going to make a drastic difference like you seem to imply" - Caucasian Blackplate 19:09:36 03/28/19 ( 5)
        
        RE: " no amount of tweaking is going to make a drastic difference like you seem to imply" - blakey 21:19:58 03/28/19 ( 4)
        
        RE: " no amount of tweaking is going to make a drastic difference like you seem to imply" - Caucasian Blackplate 07:54:21 03/29/19 ( 3)
        
        I . . - John PA 09:34:43 03/29/19 ( 0)
        
        RE: " no amount of tweaking is going to make a drastic difference like you seem to imply" - blakey 08:59:08 03/29/19 ( 1)
        
        Miscommunication - Triode_Kingdom 13:59:32 03/31/19 ( 0)
      - The KT-88 - FenderLover 20:53:52 03/27/19 ( 3)
        
        RE: The KT-88 - Jim McShane 06:02:45 03/28/19 ( 2)
        
        RE: The KT-88 - ivan_terrible 02:47:51 03/29/19 ( 0)
        
        Yeah, I'll admit I've only heard KT-88 hi-fi amps... - FenderLover 09:44:46 03/28/19 ( 0)
RE: Quicksilver KT88 mono amps - ivan_terrible 22:59:09 03/26/19 ( 2)
- Ivan, tell us what you really think............... - Mendel 08:07:25 03/27/19 ( 1)
  - RE: Ivan, tell us what you really think............... - ivan_terrible 08:22:16 03/27/19 ( 0)
Change out the dual rectifiers, if worn they would exhibit that sort of sound~nT - Cleantimestream 22:29:35 03/26/19 ( 0)
I wouldn't waste money - blakey 21:53:21 03/26/19 ( 0)
RE: Quicksilver KT88 mono amps - Jim McShane 09:23:18 03/26/19 ( 14)
- RE: Quicksilver KT88 mono amps - McKinneyMike 16:04:11 03/26/19 ( 12)
  - RE: Quicksilver KT88 mono amps - Jim McShane 17:17:33 03/26/19 ( 11)
    - RE: Quicksilver KT88 mono amps - McKinneyMike 17:25:17 03/26/19 ( 10)
      - RE: Quicksilver KT88 mono amps - Jim McShane 10:00:15 03/27/19 ( 9)
        
        I'm running Genalex Gold Lion KT88's along with... - Cougar 19:55:57 04/14/19 ( 0)
        
        I second the motion - Mechans 10:40:44 03/27/19 ( 0)
        
        RE: Quicksilver KT88 mono amps - ivan_terrible 10:32:19 03/27/19 ( 6)
        
        RE: Quicksilver KT88 mono amps - Jim McShane 11:12:33 03/27/19 ( 5)
        
        RE: Quicksilver KT88 mono amps - ivan_terrible 11:56:42 03/27/19 ( 4)
        
        Well i do agree with a couple of your points...... - Mendel 16:16:13 03/27/19 ( 3)
        
        RE: Well i do agree with a couple of your points...... - Eli Duttman 20:46:59 03/27/19 ( 1)
        
        RE: Well i do agree with a couple of your points...... - ivan_terrible 02:35:34 03/29/19 ( 0)
        
        RE: Well i do agree with a couple of your points...... - ivan_terrible 19:36:09 03/27/19 ( 0)
- RE: Quicksilver KT88 mono amps - Tom 13:09:07 03/26/19 ( 0)
What values are you biasing the output tubes? - FenderLover 22:56:47 03/25/19 ( 8)
- RE: What values are you biasing the output tubes? - McKinneyMike 01:38:20 03/26/19 ( 7)
  - RE: What values are you biasing the output tubes? - john65b 14:05:51 04/21/19 ( 1)
    - RE: What values are you biasing the output tubes? - ivan_terrible 04/23/19 11:38:59 04/23/19 ( 0)
  - RE: What values are you biasing the output tubes? - Story 03:30:14 03/26/19 ( 4)
    - Is that 100mA per tube or per pair of output tubes? - FenderLover 05:16:41 03/26/19 ( 3)
      - The figure of 100ma is for both tubes - garymuffley 06:05:17 03/26/19 ( 2)
        
        RE: The figure of 100ma is for both tubes - FenderLover 06:34:06 03/26/19 ( 1)
        
        Plate dissipation - garymuffley 07:30:42 03/26/19 ( 0)
RE: Quicksilver KT88 mono amps - garymuffley 21:11:55 03/25/19 ( 0)
RE: Quicksilver KT88 mono amps - airtime 19:21:28 03/25/19 ( 0)
RE: Quicksilver KT88 mono amps - Caucasian Blackplate 18:40:47 03/25/19 ( 7)
- RE: Quicksilver KT88 mono amps - McKinneyMike 18:54:14 03/25/19 ( 6)
  - RE: Quicksilver KT88 mono amps - Caucasian Blackplate 18:56:49 03/25/19 ( 5)
    - I would agree, could need to be . . - John PA 21:45:32 03/25/19 ( 4)
      - RE: I would agree, could need to be . . - McKinneyMike 02:13:05 03/26/19 ( 3)
        
        You can always change your resistor to ground in the circuit for the grid to the right value. . . - John PA 14:16:54 03/30/19 ( 0)
        
        Since 0.22 uF would work... - 1973shovel 10:54:16 03/26/19 ( 0)
        
        Changing the value to .22mfd - garymuffley 06:02:54 03/26/19 ( 0)