Suggestions for 1960 Mercury mods

[journeyman]

I got a 1960 M-12 Mercury and put a nice Weber alnico speaker in it; got it all ship shape and it works great. But...it has too much midrange for my tastes. My reverberocket also has lots of mids, but not like this; I'm very happy with that amp as an alternative to my Fenders.

I'm thinking of having this M-12 Mercury scooped out a bit; not to try and make it into a Fender blackface, but I'd like it to sound different, definately with less upper midrange. It would be nice if it would break up a bit earlier as well. Any suggestions for mods would be welcomed.

Regarding the general frequency response/Tone, I think the biggest change you can make to the tone/response of an amplifier is the Speaker. Have you tried it with other speakers? It may be that the Weber doesn't suit you like you hoped it might?

I tend to believe that these old amplifiers shouldn't be forced to be what you want them to be, you should just get the amp that you want, or build it.

There are dozens and dozens of small vintage amps like this one that might suit you better, why modify a piece of vintage gear when you could sell it and buy something you actually like? There is nothing inherently wrong with the circuit, its not like the amp is unstable, or noisy. you just don't like the way it sounds.

I hear what you are saying, but any mods that I do to any of my amps are reversable. I always save the original parts and keep a record of what was done. It helps that I have a great amp tech. Sometimes a change of one resistor or cap value can make all the difference.