DEMO Breadboard builds [Boss MT-2 Metal Zone Bonanza + mods //// Eight Ball Overdrive (Marshall JCM800 Pedal) /// Mofeta (EAE Model feT)]

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Pro level breadboarding. I like the sounds you're getting, with and without mods.
cheers!
none of this is really all that serious, (my preferred rig/method is a drive boosted high gain tube amp channel) it's all just a bit of fun and experimentation with the circuit that left a huge impression on me from my youth, by making otherwise awful cheap solid state amps fun and tolerable.

I've had basically the opposite idea about the tone stack - take only the distortion stages of the Metal Zone and put the Marshall Valvestate or Ampeg VH-140C tone stack after it. Could make for a decent 90s death metal preamp in a box type of thing I think, although I guess even the stock Metal Zone already kind of is just that.
aw hell yeah. i like this idea.
reckon the HM-2 might be worth looking at. maybe i’ll do that next.

cos often i find the mids control on the MT-2 can be a little redundant (if not otherwise destructive if you don't get it just right), as i’ve often found good sounds with the mid cut/boost sitting at noon(zero), most of the judicious action happening in the treble knob, and then bass to taste.
but yeah maybe the ‘ultramid’ in the VH140 might be a little more useful.
recently just copped a VH drive board from aionfx a few weeks ago, keen to check that out someday.

Has anybody done a Russian Muff with HM-2 tonestack yet? 😜
well, if i get around to plotting out a HM-2 tonestack for MT-2, I'm sure i could get this done 🤟
 
There's no decent 6505/5150 preamp pcb available is there? (the Aion Amptweaker sounds inconclusive I believe) I have one of those Orange Pedal Baby power amps, and would love to box a preamp so I stop thinking about just re-buying a 6505MH.
 
There's no decent 6505/5150 preamp pcb available is there? (the Aion Amptweaker sounds inconclusive I believe) I have one of those Orange Pedal Baby power amps, and would love to box a preamp so I stop thinking about just re-buying a 6505MH.
despite claims that the amptweaker tight metal is meant to emulate a 5150, the aionfx version, "ember metal distortion', i built was quite a disappointment.
there's definitely better distortions out there.

e.g. the brown betty i built was way more fun.
[although i reckon the 6 knob version without the mids control (thermionic distortion) would probably do it just as well, if not better (mids control on the brown betty was a bit redundant imo)]
 
There's no decent 6505/5150 preamp pcb available is there? (the Aion Amptweaker sounds inconclusive I believe) I have one of those Orange Pedal Baby power amps, and would love to box a preamp so I stop thinking about just re-buying a 6505MH.
The AMT P2 gets really, really close, but I don't know if there is a pcb for it anywhere.
Otherwise, the Baja EVH and its subsequent version by dylan are quite nice too, a tad undergained though, compared to the original amp.
 
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