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Discussion in 'Marshall Amps' started by SteveDay, Sep 10, 2020.
Well, people share opinions on a discussion forum.... crazy right?
Yes, you get more grind at higher levels on the master volume. The power stage starts to saturate and there's that added grind. But it doesn't add PREAMP gain when you do that.
Right - that's what I thought. I didn't think that preamp stage would be affected, just wondering if the power stage would be more 'juiced'.
So, if I go on a cooking forum, and ask how to make my beef stew more flavorful, and someone says, make sure you don't overcook your salmon!, I should chalk that up to people sharing opinions on a discussion forum?
Straight in think AC/DC & Def Leppard.
Maybe you should just test your theories and see how it turns out.
Either like it or don't.
Sounds good! Is that modded? Also, what was the volume set to?
The example I am referring to is the tone and gain you will get plugging straight into a stock 2203/2204 JMP or the lower voltage same models from the JCM 800 Series.
Yes it would be especially with EL34 tubes. Bigger tubes (5881, 6L6, KT66, KT88, 6550) don't saturate as easily as the smaller tubes (EL34, EL84).
Idk if you'll get much distortion from 6550 until you're peeling paint. 2203 is pre phase inverter MV though, so you could pickup some extra jooceyness from PI lol. If you like the overall vibe but want more just put a tube screamer out front. Or try one of those hot mod v2's..those look very intriguing.
You need to get the amp to where you will be playing. Start by adjusting the volume to the level you will be playing with very low gain. Once volume is where you want it, start turning the gain up. With volume on 4 and gain halfway, it will feel like your body is about to collapse. Experiment with different preamp tubes. I have a 79 Jmp 2204 with 6550 tubes and play any style that I want. A lot of the high gain tones on albums are really not as high gain as we think. Good luck
The JMP 2203 was the first amp I ever bought.
I got one in the early 90's with a 1922 cab, which I soon traded up to a 1960A.
Admittedly, I could never crank it where I lived, and I knew bugger all about tube amps and OD pedals.
I just wanted it because it was a Marshall.
But I was a Thrash Head, and wanted to sound like my heroes in Slayer and Metallica.
I soon discovered it was the wrong amp for me.
The kudos of owning a 70's Marshall tube amp was no substitute for the tones I really wanted.
So within a year I sold it and got a lowly Valvestate 8080.
That little combo amp put the smile back on my face, straight out of the box, at any volume!
You have to ask yourself if the JMP is going to be the amp you want for your ideal tone.
Or are you always going to have to help it get there.