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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: My PAS-3: Pictures and further commentary... posted by crooner on September 17, 2004 at 22:50:45:
If the soft/vauge sound isn't to your liking I'd suggest a few things. Number one, replace those old black coupling caps. Number two, replace those old poor tolerance resistors. 1/2 watt carbon films from radio shack are a good choice and sound a lot like carbon comps but have much better tolerances and I have found poor tolerance resistors to be a big factor in vauge soft sound. Number three, and this requires a fair bit of work, replace the stock selector switch and RCA jacks and rewire so the phono stage is only used for phone and not for tape head and special. If you do this twist hot and ground at the RCA jacks but connect the ground only at the RCA jacks and leave it floating at the selector switch. Do this for each and every wire going to the selector switch and keep all wiring for the phono section separate and well away from all other wiring. Lorlin sells a decent cheap selector switch and you can get it from major supply houses like newark, digikey, mouser, or allied....just can't remember who carries it. Two pole six posistion shorting type I think off hand. The best solution for the RCA jacks is to buy Curico's kit as it comes with a nice PCB board.
Russ
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Follow Ups
- Some suggestions - Russ57 09:00:39 09/18/04 (4)
- Fully agree: old caps = junk! (nt) - serus 22:29:29 09/18/04 (3)
- Black Cats are Mylar... - crooner 23:36:58 09/18/04 (2)
- Yes and the only thing worse than Mylar... - Russ57 12:00:58 09/19/04 (0)
- Re: Black Cats are Mylar... - serus 08:36:51 09/19/04 (0)
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