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  1. Markus Kersius

    Mach 1 Overdrive mods?

    Correct. The cap you circled red is the 10nf.
  2. Markus Kersius

    Mach 1 Overdrive mods?

    And the Lightspeed: You see the 2 extra spots for the bat41 on the lightspeed pcb. I put sockets in just for experimenting with diodes types and configuration.
  3. Markus Kersius

    Mach 1 Overdrive mods?

    All resistors remain as in the lightspeed, i have some pics of both pedals though only component side. Never thought of taking pictures of the back.. doh.. A piece of doublesided grey tape is on the bottom to protect from shorting and fix the pcb to the pots. The southland is a "first batch"...
  4. Markus Kersius

    Mach 1 Overdrive mods?

    Haven't traced it yet, just visual identifying on my part. But it seems to be a pair of asymmetric bat41's in the 430k, 3.9k resitor and 220nf cap loop. If that makes any sense..
  5. Markus Kersius

    Mach 1 Overdrive mods?

    I have both original pedals, LS & SL and degooped them both. The SL is literally build on the LS pcb. Differences are: LS: a100 vol, a10k tone, a500k gain pots, 5 1n914 diodes and a opa2134 ic SL: a 250k vol, a10k tone, a1meg gain, 5 1n914 plus 2 extra Bat41's diodes in the loop and a tl072...
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