Trouble Posted July 29, 2012 Posted July 29, 2012 The KBP head Brian built is a monster of an amp, so much so that with the rig I use in front of it and the speakers I've paired with it it was a little difficult to get a clean sound out of it at volumes that would keep up with an acoustic drum set. With advice from Brian tried some different preamp tubes, ended up with a Sovtek 5751 for channel 1 and a Jan 12at7 for channel 2, I think it will still get just as loud, louder than I need it to be, and will get dirty as well, but there is a much more linear volume curve with these preamp tubes and it's easier to get a clean sound and still be loud enough for live settings, still responds well to pick attack and feels like its alive, which is what I've liked the most about it. I should take a pic but I found a 1961 Cordovox Accordian amp cab that had been gutted, and I thought it looked cool so I bought it and put a 12" Jenson MOD and 12" Eminence Texas Heat in it and have been running it through that live I love this amp, it's very simple very responsive and sounds great.
Blunote Posted July 29, 2012 Posted July 29, 2012 I'm curious to know what circuit your amp is based on.
Trouble Posted July 29, 2012 Author Posted July 29, 2012 It's a tweed deluxe with bigger transformer and 6l6's, around 40 watts.
Steiner Posted July 29, 2012 Posted July 29, 2012 Success is a wonderful thing when you can hear it. Nice work.
Trouble Posted July 29, 2012 Author Posted July 29, 2012 Success is a wonderful thing when you can hear it. Nice work. Thanks but it was really Brian's know how that did it, I told him what I wanted and he told me how to get it bassically. He told me what tubes to try and I got a couple of each, spent some time playing with them and ended on that combo. If it wasn't for all the recent tube swapping post I probably never would have thought of it. Love to see a pic of the cab you're using. I'll try to get a picture, It's a little dinged up but hell it was made in 61. I just thought it looked cool. It's wedged shaped though so you can't set your head on top of it.
H Posted July 29, 2012 Posted July 29, 2012 Nice! It's all about the 'gain factor' of the tubes. I run a 5751 in V1 of my 5E3 for exactly the same reason
Trouble Posted July 29, 2012 Author Posted July 29, 2012 Love to see a pic of the cab you're using. Here you go DB, not a great pic but you get the idea. The back is vented and hinged.
koula901 Posted July 30, 2012 Posted July 30, 2012 oops, just saw the pic, above my post. never mind.
DetroitBlues Posted July 30, 2012 Posted July 30, 2012 Here you go DB, not a great pic but you get the idea. The back is vented and hinged. Lots of mojo! Sweet!
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