Hi there Just wondering if anybody has any suggestions or pointers to past threads which might help me out. I’m trying to get a fatter, warmer, more gloopy!?,richer harmonically, sound out of my s&m50. At the moment it’s feeling slightly boxy,nasal,flat. Sorry for the possibly unhelpful sound descriptions, not very scientific I know! I’ve had a 3 way switch put in to change the slope resistor values between 150k,90k and 30k, which makes a big difference. I’ve also got a 3way switch on the mid cap, but tend to favour the original .001uf. I’ve been using a celestion gold, and recently tryed my boogie’s speaker ( EV black shadow), which was a great improvement IMO. It certainly had a lot more power, so the golds gone on ebay, to be replaced with an EVM12L, which I think is the same as the Black Shadow?? I’ve seen Pickmasters mod of putting a 3way switch across V1 which changes between 470pf, .05 mf and off.He mentions that this fattens the sound, so that might be a starting point. Also I’ve read that putting a 47pF or 68pF cap across the master opens the sound up. Does this give a similar effect to a bright switch? Any pointers would be appreciated, Thanks Tom
Make the mid cap 0.05uF. If that's not enough; make the slope resistor 100k.
Hi Erwin, I added a switch on the mid cap, so when its on its about 0.045uF, and when it's off its back to it it's origional state. It makes a big difference, but I'm glad I made it switchable cause I'm lovin both sounds Thanks for the info. . .although I can see that I'm gonna end up with a lot of switches on the back of the amp hehe..Am I right in thinking that the slope resistor is right next to the mid cap (left and slightly down on the layout diagram) with a value of 150k? Cheers again!
Hi there I've had my ots (50w S&M) for a few weeks now, and I really like it. However, I'd like a bit more control over the EQ, the mid especially. I'm totally inexperienced at modding amps, and have no idea what I would have to change. I'd like to have the option of scooping the mid. Has anybody done this mod? Is it possible? I suppose another option would be to have an external EQ in the loop? Any Ideas would be much appreciated. Cheers
Hi Nanofree hey your set up is lookin great! yeah those settings are lookin loud. I've been usin a clator too, so you can control the overall volume from there rather than the amp..... but yeah my neighbours are probably sick of me!
Hi I've just ordered a ceriatone ots 50w s+m, and I'm going to be using an eventide H3000 in the loop. Just wondering if anyone has tried this combination, and whether I will be needing a c-lator? thanks Tom
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