Looks like after a good 10/20 years respectively, it's finally time for me to retube my amps:
Marshall 6100 LM
V1-V7: unbranded, presumably stock
V8-V11: 5881, currently stock Sovtek
++: super quiet
+: smooth and pleasant top end
+: huge amounts of gain
-: Crunch mode A (uses V2A and V6) much lower in volume to Crunch modes B&C (which use all of V2 & V6)
-: Lead channel very flabby
-: not very articulate overall and quite indirect
--: clean channel flat and not rich (if that makes sense)
Framus Cobra (pre- backplate-bias-pot-version)
V1-V5: 12AX7A-C
V6-V9: JJ E34L
++: dry and aggressive
+: highs have bite without being unpleasant
+: bottom end well defined and flexible with Deep control
--: currently has lots of hum/fizzing/weird noises (presumably power tubes?)
The preamp tubes in the Marshall are terrible so i'm planning on replacing them all. This is what i have in mind soundwise:
6100:
V1 (Clean): more openness, more hifi-ness (think fender maybe)
V2/V6 (Crunch): maybe lesser gain factor in V2 so to bring modes A, B & C closer together in terms of volume; more definition; less highs, more mid-character
V3-V5 (Lead): more definition, more spank, less lows; i wouldn't mind to have less gain if that comes as a side effect
V8-V11: if anything, more definition, more dynamics
In general, i feel i reelly would love more character in the mids and less highs in this amps, since i'm mostly using it for rock stuff and aim for a rounded, fleshy sound
I don't necessarily plan to replace all of the Framus' preamp tubes but the power tubes need to be replaced i guess.
Cobra:
V1 (All Channels): Clean sounds great. But I'd try some supposedly "high end" tube just to see if it makes a difference overall
V2-V3 (Crunch & Lead): happy so far
V5 (PI): I'd like something supposedly high end just to see if it upgrades the amp
V6-V9: i like the frequency response the amp currently has. I don't do power amp saturation so i guess clean headroom, responsiveness and clarity is what i'm after
Any suggestions are highly appreciated, thanks guys!
Marshall 6100 LM
V1-V7: unbranded, presumably stock
V8-V11: 5881, currently stock Sovtek
++: super quiet
+: smooth and pleasant top end
+: huge amounts of gain
-: Crunch mode A (uses V2A and V6) much lower in volume to Crunch modes B&C (which use all of V2 & V6)
-: Lead channel very flabby
-: not very articulate overall and quite indirect
--: clean channel flat and not rich (if that makes sense)
Framus Cobra (pre- backplate-bias-pot-version)
V1-V5: 12AX7A-C
V6-V9: JJ E34L
++: dry and aggressive
+: highs have bite without being unpleasant
+: bottom end well defined and flexible with Deep control
--: currently has lots of hum/fizzing/weird noises (presumably power tubes?)
The preamp tubes in the Marshall are terrible so i'm planning on replacing them all. This is what i have in mind soundwise:
6100:
V1 (Clean): more openness, more hifi-ness (think fender maybe)
V2/V6 (Crunch): maybe lesser gain factor in V2 so to bring modes A, B & C closer together in terms of volume; more definition; less highs, more mid-character
V3-V5 (Lead): more definition, more spank, less lows; i wouldn't mind to have less gain if that comes as a side effect
V8-V11: if anything, more definition, more dynamics
In general, i feel i reelly would love more character in the mids and less highs in this amps, since i'm mostly using it for rock stuff and aim for a rounded, fleshy sound
I don't necessarily plan to replace all of the Framus' preamp tubes but the power tubes need to be replaced i guess.
Cobra:
V1 (All Channels): Clean sounds great. But I'd try some supposedly "high end" tube just to see if it makes a difference overall
V2-V3 (Crunch & Lead): happy so far
V5 (PI): I'd like something supposedly high end just to see if it upgrades the amp
V6-V9: i like the frequency response the amp currently has. I don't do power amp saturation so i guess clean headroom, responsiveness and clarity is what i'm after
Any suggestions are highly appreciated, thanks guys!
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