gumbilicious

i think the tone stack has alot to do with it. but min was right in broader since, it's all the filtering the results in the 'compression' and tones everyone is mentioning.



LOL, right?

i think it is kinda hilarious it kinda has roots with the JTM45. marshall's first amp was a 'copy' of the bassman 5F6-A circuit, so the difference in the American and British tone is the difference in component values they were able to obtained for their production models. same basic circuit, slightly different cap and resistor values (lets not forget the tubes too). i am sure you knew all that already, i was just restating for posterity.

but, that is the difference in american and british amp: available OEM. i do agree Mr. Quail, the term "american or bristish tone" means more to the individual using the term than it does to the community at whole.

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Wenge

ENGLs filter the signal tons and push a narrow band of midrange through the gain stages. The tone stack is designed to suck those mids back down to achieve "balance". Of course I know a few people who've made ENGL preamp circuits on another forum and most have made changes to that whole design. Resistors bypassing those heavy filters to let some bass and highs in mostly. I have other projects in the works, but I'm looking forward to taking a crack at the ENGL method myself. I finished a PCB for it awhile back, but funds and all....

Kevin Saale

The thing is I don't think most people would think of the bassman for an 'american' sound, but probably something more along the lines of a twin or a deluxe.

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ibanezguitars44

i'd say it has that big thick sound like an american voiced amp, but a tight low end associated with a british voiced amp. and very compressed

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nutinpwnsgibson

you know the germans make good stuff

http://1.bp.blogspot.com/_nHkHmJl7K...nS8/s1600/vince

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gumbilicious

yeah, and a black face at that. the AB763 is pretty much the 'fender clean' everyone really talks about.

i guess it was a weak point.

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AcousticMirror

actually gumbi I was talking about the power filtering. The interstage filtering on the engls actually doesn't make much sense to me. I can't figure out how those values actually work.

But they run a significant amount of DC heaters, rectified DC heaters, heavy filtering on the HT power supply line....

What appears to be diodes as current sinks and stabilizers in the power amp but I need to double check that. They might just be overload protectors.

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trashedlostfdup

could you double check that for me min? it would be greatly appreciated.

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AcousticMirror

no those are just relays. they do definitely run dc heaters though.

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jacksonofcanada

a bit more compressed more in the middle of american and british as far as mids,able to have more saturation than american or british and still have really good clear "transparent" tone with no loss of definition. the only thing it doesn't equal between american and british is the above and being way better at being able to have such pronounced low ends.