Hey guys, I've been a long time lurker here and I have a Maz 18 and a few days ago picked up a 2008 RX ES that was once a combo that someone made into a head (did a fantastic job btw)
I was wondering what you guys think the best way to reduce the treble is on the amp. I run the treble at zero with my single coil guitars and at around 2 with my humbuckers. I dig the amp a lot but wish it was darker.
I need to retube it and have considered getting some Weber Hemp cone speakers but does anyone know of any mods that could be done to the amp to reduce the overall brightness of the amp? I'm handy with a soldering iron and am not afraid to swap out components in anything to help tailor the sound for me. I opened it up and the treble cap in the tone stack is a 500pf which in that style of tonestack I assumed would shave off more highs than the 250pf treble cap ala a blackface fender.
Last Edit: Nov 23, 2012 9:31:16 GMT -7 by drstantz
In the august 2012 Premier Guitar mag they have an article titled 8 amp mods for newbies. Number 7 deals with removing the bright cap on the volume pot to tame an amp with harsh treble. The amp they are working on is a Marshall Super Lead. I am going to poke around in my RX ES head and see if this might be doable on it. I haven't been able to really obtain a tone I like with this amp, it is always too bright. Hopefully I can do this mod to it and make it work. On the Marshall, the way it is set up the mod is easy to do and easily reversible.
So afterlooking at some maz and stang ray schematics I thought I'll just try to add a cut control. I didnt have the same .0047 cap sadly but I did have some .02 caps that would work in an amp (don't want to use pedal parts inside a beauty of a Z amp.
I just grabbed a 250KA pot, some heavy duty wire, the cap wired it up same as in my Maz and works! It's a little too dark past noon on the pot but I'll change the cap on it later. It's nice to knock off a little of the overall high end.
The amp is more dynamic and has more expressive-ness without it turned up but being able to shave off some of the brightness is very nice and worth it. So if anyone wants a Cut control on a RX ES its easy to do and works very well!
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