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I like the idea of a Marshall custom shop not just for tolex color but also for circuits and options for tailored amps
I've thought of those a bit like a marketing scam, but if at least they're reliable, that's interesting...
not a huge difference seems like an eq difference, could be NFB/presence related or the bright caps in the bright channel preamp ( 0,005µF and/or...
even the RC30 looper came with 8 AA batteries, but they were not fitted inside like in the boss compact pedals
yup, I took guitar lessons with this :D
looks like a triode mod gone wrong :D it can work this way but, meh
sorry, I had the 2-valve PA values in my head :naughty: thanks neikeel for the correct answer
you can wire the cliff TRS in/out to be the bypass switch and on many loop board, the level pots are mounted on the pcb itself (inside, so you got...
I concur with that : any simple/pure resistive attenuator will still change the tone LESS than any PPIMV best is a good reactive attenuator I...
an effect loop requires an in and out path... so the only way i see to not drill is to condemn one speaker out put and replace it with a TRS cliff...
sorry but these solders make me seek to even look at :( I can't imagine it working correctly with this kind of soldering :/ but chances are it...
you just need to hook an 8 Ohm cab to the 4 Ohm tap and 16 Ohm cab to the 8 Ohm tap (or you can switch taps if you want correct markings) the...
cool !
jumpered SL channels wasn't that much used in the old days, and its good usage would require having two separate gain knobs for each stage to get...
might be a tough one if it's a component without visible damage :D if you can look for dried out solder points too
did you measure DC and AC voltages too for plate voltages ? AC must be zero, if there is AC voltage, that means filtering is failed somewhere (DC...
if you do it with push-pull pots, you don't have to harm your amp and it can be reversed to stock configuration pretty easily. Drilling would be...
measure voltages (carefully) : that could be a failure in something from the input transformer to the DC filtering (and/or diode bridges)
One easy way to get quite a SL-Like sound on a 2203/4 is to wire a two-way switch between the cathode pin of V1A and the 10k Resistor, on the...
channel 1 has it's own unique 12AX7 (V1) but channels 2 and 3 share V2 for their first stages
