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No idea mate. I'm not an official rep so I can't answer for them. Give it a try and see for yourself. Man I just doubted myself and had to plug it up again to check. The presence isn't part of the tone stack It happens in a loop kind of way in the power amp section so pulling the boost pot wont...

Hi Stephen, Well I sincerely hope you are not almost deaf mate from this amp in any case. I had a few of them since the 90's. I think these amps were designed for stage performance hence the "loudness" or lack of volume control below 2. Mine is usually set at about 4 so yeah i know what you...

NICE!

Hey Edward, Thanks for the positive words dude. As far as I can see so far. The pull boost is part of the tone stack stage. So by pulling the boost, it removes the tone stack from the signal chain allowing more gain, plus more volume as well. I can't see why it would be unusable in a live...

Thats a good point Edward. I have my cables terminate at a patchbay type thing now so myself or anyone else will have one cable + power to connect my pedalboard to my amp. I did this because I wore the last jack sockets out on my previous GT5 and it cost me way too much to repair. So I built a...

That sounds odd that it didn't offer you anything? The previous GT I owned was GT-5. Which is very similar to the GT-3. I used the 4CM on that setup with my DC-5 aswell. The main benefits were having the Volume control, EQ, Delays, Reverb and modulation post preamp overdrive. Even with the amp...

Second that doing the series loop mod. You'll get some weird phasing issues more noticeable if you have a volume pedal in the loop set to a lower volume that you start hearing the bleed of the unaffected tone. I used an old boss ME in my loop before the GT series. It was great. Set it up just...

I thought i'd jump back on this to keep it updated. I've worked out a MIDI switching matrix using the original switching matrix with a few tiny mods for the extra gain, extra volume pots and the new components for the midi and PIC. The PIC programming was surprisingly easy! Does anyone have...

Thanks for the input. I'm doing it because I can and I have what I have. I'm in two minds about the simul-Class thing though. I will give that one a miss. But the multi-gain per channel in my opinion is worth it. Hell if it was good enough for R. Smith to mod a fender, I'm more than happy to mod...

Ok I've narrowed down my wants. DC5B Clean channel to DC5A I've decided to revert the clean channel back to DC5A version without switching as I know I wont be using the newer version anyway. Looking at the comparison between both versions, the changes wont be that difficult to do. Additional...

Hi mate, the channels are voiced completely different The clean channel tone stack is situated before the gain stage (gain pot) and the lead channel is after. This results a completely different tone. also the clean channel utilizes 3 preamp tubes where as the lead channel uses 4 (well, halves)...

Sorry I quoted the US standard B+ As the HT line not the B+ and D+ supply on the schematic. Yet still lies my question can I safely switch these supplies via relay while still operating?

So looking over the schematics more. The main concern I have is switching the HT (B+) from 287v(DC-5A) to 420v(DC-5B). I can now see how this HT voltage would contribute to a darker tone (DC-5A) it seems that the lower the HT voltage the darker(browner)the tone so I will definitely be doing this...

Hello, there was only a change made to the clean channel. In the original the clean channel was more like a compressed class A sounding channel when the whole amp came together at volume. There is an obvious difference in brightness, sparkle and mostly compression between the two versions. When...

Hi there thank you kindly for the input, I'm wondering if by switching in and out the components would cause drastic popping. E.g swapping out a simple low pass filter value seems OK but what about swapping out the actual HT to the tubes from 287V(DC-5A) to 420V(DC-5B) could this cause some...

SLAVE OUTPUT Digging a bit deeper. There is the Slave output which by the looks of things receives its signal via the first V6 grid and also via the output transformer(attenuated) I can only hazard a guess that this would be line level but this signal incorporates the preamp and also presence...

NOTE If you are using an impulse after recording then I would record from the SEND of your amp to avoid the filtered preamp. The record output has a bandpass filter applied to it, so you dont get that harsh raw sound which is pretty handy in cases where you would record direct from your amp to...

Yeah, it looks that way. You are getting only the output sent from the preamp. (correct me if im wrong if anyone else knows) The DC-5 preamp sounds a lot fuller than an emulated preamp plugin. I use my Boss GT-10 on occasion. What I tend to do for a recording setup is record the dry...

I'm actually looking at the DC-5A and B schematics now and there is an obvious difference in the clean channel only plus a subtle change to the input of the power section. Soncially, you would hear more gain on the clean channel in the A version. They cleaned up the B version. No other changes...

Just looking at the DC-5 schematic which I am only assuming would be similar I can see that the signal is sent to ground rather than sent to the grid so correct me if I am wrong but although there would be no signal at the grids there would be an idol signal at the 6L6's? That being said I...