Moderators Kindness Posted January 7, 2009 Moderators Share Posted January 7, 2009 More to follow... Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 7, 2009 Author Moderators Share Posted January 7, 2009 I'd be less of a tease if I had a chance to open the boxes yet. I have a "100 watt" Ampeg (V-4B), I've built a "100 watt" Fender (Twin Reverb head), so it was time to build a 100 watt Marshall. No better place to start than the original Plexi lead. Link to comment Share on other sites More sharing options...
Members Super Bass Posted January 7, 2009 Members Share Posted January 7, 2009 Yay, I was right! Link to comment Share on other sites More sharing options...
Members Optimus Prime Posted January 7, 2009 Members Share Posted January 7, 2009 Cool. Link to comment Share on other sites More sharing options...
Members RSBro Posted January 7, 2009 Members Share Posted January 7, 2009 You rail on O-Prime for even considering popping open his SVT, yet let children run untethered around the same... Kindness, I thought I knew thee... Link to comment Share on other sites More sharing options...
Members Optimus Prime Posted January 7, 2009 Members Share Posted January 7, 2009 You rail on O-Prime for even considering popping open his SVT, yet let children run untethered around the same... Kindness, I thought I knew thee... His kid probably has a ton more common sense than me. Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 7, 2009 Author Moderators Share Posted January 7, 2009 You rail on O-Prime for even considering popping open his SVT, yet let children run untethered around the same... Kindness, I thought I knew thee... Sean's building this amp for me. He's four this month, he better start pulling his weight. Remember, it isn't dangerous until it is plugged in the first time. Link to comment Share on other sites More sharing options...
Members RSBro Posted January 7, 2009 Members Share Posted January 7, 2009 Sean's building this amp for me. He's four this month, he better start pulling his weight. Remember, it isn't dangerous until it is plugged in the first time. double :D Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 7, 2009 Author Moderators Share Posted January 7, 2009 His kid probably has a ton more common sense than me. Don't sell yourself short, the few times we've had serious conversations you've impressed the hell out of me. Link to comment Share on other sites More sharing options...
Members bnyswonger Posted January 7, 2009 Members Share Posted January 7, 2009 If it's like mine, the best tone is achieved by jumping channel one to two. The channel one tone stack is pretty thin sounding, and the second channel is like bypassing tone control - just straight to the amp - and it's fat as hell. A little fiddling with the balance and you've got sweetness. Link to comment Share on other sites More sharing options...
Members GreaserMatt Posted January 7, 2009 Members Share Posted January 7, 2009 Dude!! WTF is that? You can't do "NAD" and then just post the box!! My girlfriend isn't even that much of a tease!! Cool avatar, great movie... Link to comment Share on other sites More sharing options...
Members GreaserMatt Posted January 7, 2009 Members Share Posted January 7, 2009 I'd be less of a tease if I had a chance to open the boxes yet. I have a "100 watt" Ampeg (V-4B), I've built a "100 watt" Fender (Twin Reverb head), so it was time to build a 100 watt Marshall. No better place to start than the original Plexi lead. Do want! Link to comment Share on other sites More sharing options...
Members GreaserMatt Posted January 7, 2009 Members Share Posted January 7, 2009 Sean's building this amp for me. He's four this month, he better start pulling his weight. LOL Link to comment Share on other sites More sharing options...
Members Thumper Posted January 7, 2009 Members Share Posted January 7, 2009 That's gonna be Teh Sechs when you're done building it... Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 8, 2009 Author Moderators Share Posted January 8, 2009 If it's like mine, the best tone is achieved by jumping channel one to two. The channel one tone stack is pretty thin sounding, and the second channel is like bypassing tone control - just straight to the amp - and it's fat as hell. A little fiddling with the balance and you've got sweetness. I see that from the schematic. We'll see how I like it when it's put together. If I need to make some adjustments to the tone stacks, that's easy to do. I have an idea that I'm going to like it in the more traditional form though, I already have the other amps, particularly the Fender, for the real full tone. Link to comment Share on other sites More sharing options...
Members Guttermouth Posted January 8, 2009 Members Share Posted January 8, 2009 there will be rockin' going on shortly at casa de kindness.... Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 8, 2009 Author Moderators Share Posted January 8, 2009 there will be rockin' going on shortly at casa de kindness.... If by shortly you mean a week or two. Link to comment Share on other sites More sharing options...
Members T. Alan Smith Posted January 8, 2009 Members Share Posted January 8, 2009 Looking forward to hearing it. Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 8, 2009 Author Moderators Share Posted January 8, 2009 I'm sure you'll hear it at the next GTG. Link to comment Share on other sites More sharing options...
Members bnyswonger Posted January 8, 2009 Members Share Posted January 8, 2009 I think you'll dig it. I lost the little impedance selector jumper pin in the back of mine many years ago, so mine's perma wired to 8 ohms. The cab I use it with normally is a sealed 2 x12" - 8 ohm, and it's led a pretty easy life over the years - it's not being asked to do much more than provide presence. When the Bears were doing those dates back in '07 for the Eureka release, we were playing a show in Pittsburgh and about 3/4 of the way through the set, all the bottom drops out. The other half my rig - the SVT>15"s just stopped. It being the middle of a show and we not having the dough to hire a real stage tech, I couldn't take a whole lot of time to try to troubleshoot it. I just plugged the 15"s (4ohms) into the marshall and cranked it up to about 9:30...so it was pushing 2 12"s & 2 15"s at something between 2 and 3 ohms. I'm not going to say it was totally clean, but we had bottom on stage to finish out the set...and it did sound pretty badass. I was just totally impressed that it rose to the occasion without a glitch. They are incredibly tough machines. Link to comment Share on other sites More sharing options...
Members nAmzrTakin Posted January 8, 2009 Members Share Posted January 8, 2009 More to follow... Nice shirt. I imagined you'd be taller. Link to comment Share on other sites More sharing options...
Members BeeTL Posted January 8, 2009 Members Share Posted January 8, 2009 This will be fun... Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 8, 2009 Author Moderators Share Posted January 8, 2009 Nice shirt. I imagined you'd be taller. You sound like my girlfriend. Always a smartass. Link to comment Share on other sites More sharing options...
Moderators Kindness Posted January 8, 2009 Author Moderators Share Posted January 8, 2009 I sat down with the parts, the parts list, the schematic and layout, some design programs and some notes I have and came up with a few mods already. I'll be increasing the size of the coupling cap between the first and second stages (the original acts as a high pass filter at 720 Hz, I'll drop it to 72 Hz), modding the tone stack to taste by increasing the size of one of the caps (increasing C2 to 100n if you are following along on the Duncan TSC) and increasing the size of the output coupling caps to 0.1 uF. Those four caps should make a pretty big difference, all for the better. I also was a little surprised that this head is both wider and taller than my SVT. Also, the PT and OT are 10 lbs each. This amp is going to be a beast. Link to comment Share on other sites More sharing options...
Members SmallEQ Posted January 8, 2009 Members Share Posted January 8, 2009 I bet it will sound like a bass. Link to comment Share on other sites More sharing options...
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