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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: capacitor values in SET amps posted by astrostar59 on February 3, 2007 at 11:00:29:
being fed by the coupling cap. The larger the coupling capacitor,
the lower the bass cut-off frequency is. If your amplifier has a
well designed power supply with adequate low-frequency isolation
between the various stages, then going to a 1.0uf will not
hurt a bit, and may indeed give you stronger perceived bass
response. If, however (and this is quite common) their is
inadequate low freq isolation/stability in your circuit, then
you could get "motorboting" oscillation and related distortion.If you send me a schematic, I can tell you what will likely be
the case. If you just want to experiment, then you can try
first an inexpensive 1.0uf Solen Fastcap, of some other el-cheapo
and see if you get any odd behavior before buying a more expensive
cap.Also: I disagree with other postings here, in that I would say
there is VERY LITTLE to be gained by buying pricey cathode bypass
electrolytics, and/or pricey supply electrolytics. I have played
with this sort of thing at length, and IMHO this is a very
cost-ineffective way to net a sonic gain --and that is somewhat
doubtfull.Good Luck.
-T.M.
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Follow Ups
- Depends on Value of Grid resistor... - Thomas Martens 12:40:49 02/05/07 (0)
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