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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Interesting....I am going to measure heater voltages posted by crooner on September 17, 2004 at 09:31:04:
Of course your ears and equipment might sound different than mine but to me the PAS was far better when the heater voltage was over 12 volts than it was at 11 volts. I assume you know that the tubes are in series and what come out of the heater supply is closer to 22-24 volts. I'd also tell you to remove the on/off light bulb as it really draws a lot of current and loads that heater supply too much. These things really helped the soft vauge sound. Removing the tone controls is a must. Also radio shack has a 100K pot made by Alps that is a great dirt cheap replacment for the volume control.Russ
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Follow Ups
- Disagree - Russ57 10:05:21 09/17/04 (7)
- Re: I agree with Disagree - Jimmy 17:44:45 09/17/04 (0)
- Selenium replacement..first mod that actually did not help the sound... - crooner 11:21:16 09/17/04 (1)
- Now if you want the next step up - Russ57 12:08:05 09/17/04 (0)
- Yes, indeed. They are series connected.. - crooner 11:16:27 09/17/04 (3)
- Actually... - Russ57 12:03:26 09/17/04 (2)
- I am going to follow your suggestion... - crooner 18:43:40 09/17/04 (1)
- About lasting as long - Russ57 07:36:50 09/18/04 (0)
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