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    The Official Marshall Origin 20 Thread...

    OTTS, Thanks for this insight: to understand tilt *as* the HT circuit itself. That is, It blends HT *into* the default Normal channel. Meaning that Tilt at 10 is Normal channel at 0, and Tilt at 9 is Normal at 1, so on. Awesome. thanks a million.
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    The Official Marshall Origin 20 Thread...

    Hoping someone might explain the Tilt knob relative to the two channel plexi. I get that the Tilt knob allows combining both normal and high treble channels. But I don't know that it allows differential gain settings from both channels, as there is only one gain knob. so my question relates to...
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    DSL 15H - Modded.

    Regarding R82: Does it matter if the resistor is either 1/2 or 1/4 watt? Thanks,
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    DSL15H Upgrades/Mods

    Is it necessary to remove the circuit board to do R82?
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    Adam Jones Marshall

    Sorry for the necromancy, but I'm hoping to get a better sense of his EQ settings. I see Presence =5, Bass =0, Mids = 12 and Treble =4. Is that what other folks see? Thanks
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    DSL 15H - Modded.

    Hi all, Checking back in to mention that after the mod and after installing an ECC823 in V1 I am really happy with the tone I'm getting. On the Ultra channel I'm rolling the gain up to 10-11 even 12 o'clock without that ridiculous high gain it originally came with. Classic channel at full gain...
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    DSL 15H - Modded.

    Great thread everyone! I'm coming to this way way late. This thread needs to be archived if it hasn't been already. But just to clarify on these last couple pages of discussion, one can either experiment with the ECC823-V1/12AT7-V4 tube swap *or* one goes ahead with the circuit board mod as...
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