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Ampeg tone stack modification
#8
One thing people forget in terms of the bright switch on/off, in the case that "off" might seem to dark (not a problem for me) and on seems to bright (definitely my opinion) is that the cap is completely jumping all series resistance, which can be significant for much of the clean volume range of most amps.

There is a viable in between--put a cap and a resistor in series. You can expiriment, but this means that high frequencies (set by the cap) may pass, but not as if at full volume compared to others. 100k should make a difference in series with the cap, 220k, maybe even 330k or 470k in series might make sense. It will depend on where you set the volume pot ususally and what your ears prefer, but it is worth trying if you are in there. With the V series, there are two channels, so you can make it so one channel has a cap with no series resistance and the other has some, and compare the two to a degree (no two pots have the same taper and apparent volume is never quite the same). Tweak to taste.

Again, worth a shot if you never use the bright/ultra high on an amp, or if the ultra high seems a little too edgy but off seems too dark, etc. (PS: there is also tone stack cap type and cap value mods you can do in conjunction with this to help get better control of the highs especially in these Ampegs).
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Messages In This Thread
Ampeg tone stack modification - by Hangman - 08-25-2013, 12:42 PM
RE: Ampeg tone stack modification - by tdbassman - 07-01-2014, 05:07 AM
RE: Ampeg tone stack modification - by Hangman - 07-01-2014, 09:39 AM
RE: Ampeg tone stack modification - by Hangman - 07-06-2014, 07:06 PM
RE: Ampeg tone stack modification - by tdbassman - 07-07-2014, 05:19 AM
RE: Ampeg tone stack modification - by Denton - 07-15-2014, 04:04 AM
RE: Ampeg tone stack modification - by Liquids - 10-03-2014, 01:47 AM
RE: Ampeg tone stack modification - by Hangman - 10-06-2014, 05:36 PM
RE: Ampeg tone stack modification - by Hangman - 10-22-2014, 08:12 PM
RE: Ampeg tone stack modification - by Liquids - 10-24-2014, 03:08 AM
RE: Ampeg tone stack modification - by Hangman - 10-23-2014, 09:22 PM
RE: Ampeg tone stack modification - by Hangman - 10-24-2014, 09:45 PM
RE: Ampeg tone stack modification - by Hangman - 10-25-2014, 11:56 AM
RE: Ampeg tone stack modification - by Liquids - 10-26-2014, 04:46 AM
RE: Ampeg tone stack modification - by Hangman - 10-26-2014, 02:40 PM
RE: Ampeg tone stack modification - by syscokid - 11-03-2014, 01:55 PM
RE: Ampeg tone stack modification - by beedoola - 11-05-2014, 05:02 PM
RE: Ampeg tone stack modification - by tdbassman - 11-08-2014, 09:50 AM
RE: Ampeg tone stack modification - by Hangman - 11-10-2014, 12:02 PM
RE: Ampeg tone stack modification - by tdbassman - 11-12-2014, 08:46 AM
RE: Ampeg tone stack modification - by Hangman - 11-12-2014, 08:19 PM
RE: Ampeg tone stack modification - by beedoola - 11-13-2014, 06:58 PM
RE: Ampeg tone stack modification - by Hangman - 11-14-2014, 12:06 PM
RE: Ampeg tone stack modification - by Hangman - 03-07-2016, 04:30 PM
RE: Ampeg tone stack modification - by Liquids - 03-07-2016, 04:57 PM
RE: Ampeg tone stack modification - by Leboully - 01-30-2017, 07:52 AM
RE: Ampeg tone stack modification - by Hangman - 02-01-2017, 07:34 AM
RE: Ampeg tone stack modification - by Leboully - 02-07-2017, 01:32 PM

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