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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Bypassing Output Caps in Preamps posted by Derick on September 28, 2002 at 10:17:49:
Hey-hey!!!,
I don't think a bigger cap will do much good. The input impedance of the linestage is large compared to the impedance of that cap. which is aout 8k Ohm at 20 Hz. You could try doubling it, but better results will probably be had by bypassing with a good film/foil cap or maybe a 1.5 uF polypropylene/tin type of comparable voltage. As long as your linestage has imput impedance on order of 100 k Ohm you won't get much more from a bigger cap, though a slightly bigger and better quality one will help. Try one of the Russian TFE caps in .o56 size from KWTubes, I put one of those across the 3uF solens in the output of my linestage and get smooooth restult( a quality the Solen is not known for).
regards,
Douglas
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Follow Ups
- Re: Bypassing Output Caps in Preamps - Sector-7G 12:09:00 09/28/02 (2)
- Re: Bypassing Output Caps in Preamps - Derick 12:34:00 09/28/02 (1)
- Re: Bypassing Output Caps in Preamps - Sector-7G 13:50:48 09/28/02 (0)
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