timmchale2009 Posted May 21, 2020 Share Posted May 21, 2020 So I’ve got a Mesa BB750, monster of an amp, but I think it is due a revalve. It has 4 12ax7 or ecc83’s whatever designation you prefer to use. Has a real classic almost borderline SVT tone minus the heft. What I am really trying to seek out is a bit of guidance on what are the best valves to whack in there to get as fuller tone as possible. I like nice warm lows, punchy mids with a nice crisp top, but not too sizzly. I am using a Stingray & Jazz Bass both with East Preamps and have an MXR compressor going in the front. i am all ears. Thanks Quote Link to comment Share on other sites More sharing options...
HazBeen Posted May 21, 2020 Share Posted May 21, 2020 I like Tung Sols a lot, have them in my BB as well. Loud, round and clean. That said, 1 of the valves is for the overdrive circuit. You could try some hi-gain options. Quote Link to comment Share on other sites More sharing options...
timmchale2009 Posted May 21, 2020 Author Share Posted May 21, 2020 2 hours ago, HazBeen said: I like Tung Sols a lot, have them in my BB as well. Loud, round and clean. That said, 1 of the valves is for the overdrive circuit. You could try some hi-gain options. Long shot, do you happen to know which valve is for the gain stage? That sounds like a good option to explore. Quote Link to comment Share on other sites More sharing options...
HazBeen Posted May 21, 2020 Share Posted May 21, 2020 (edited) 55 minutes ago, timmchale2009 said: Long shot, do you happen to know which valve is for the gain stage? That sounds like a good option to explore. Thinking about it, I think 2 are for the OD, 2 for the preamp. If memory serves me well, the 2 closest to the input jack are for the OD and the 2 in the middle are for the pre. I have a v1 (ultra low noise) in the first of the 2 pre slots and normal ones in all others. Works well enough Edited May 21, 2020 by HazBeen Quote Link to comment Share on other sites More sharing options...
timmchale2009 Posted May 21, 2020 Author Share Posted May 21, 2020 5 minutes ago, HazBeen said: Thinking about it, I think 2 are for the OD, 2 for the preamp. If memory serves me well, the 2 closest to the input jack are for the OD and the 2 in the middle are for the pre. I have a v1 (ultra low noise) in the first of the 2 pre slots and normal ones in all others. Works well enough Smashing. Now excuse my ignorance further which classes as the first or second slot? Closest to the front or closest to the back of the amp? Quote Link to comment Share on other sites More sharing options...
HazBeen Posted May 21, 2020 Share Posted May 21, 2020 It will be marked v1, but me thinks it was the top one (so towards the centre). Quote Link to comment Share on other sites More sharing options...
timmchale2009 Posted May 21, 2020 Author Share Posted May 21, 2020 30 minutes ago, HazBeen said: It will be marked v1, but me thinks it was the top one (so towards the centre). Excellent. Sorry for so many questions, I am ever so grateful for your help. 1 Quote Link to comment Share on other sites More sharing options...
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