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PostPosted: Fri Feb 16, 2024 3:58 pm 
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Joined: Tue Mar 28, 2023 9:31 am
Posts: 4
I have a BYOC OD-2 with the max and min gain trim pots both set to minimum, and the "loudness" trim pot set to around 11:00. I'd like to replicate this pedal in a smaller enclosure, so I'm eyeing the Lil' Modified Overdrive Kit with some additional mods to reflect the OD-2 trim pot values and sound. Having studied the schematics (attached to this post), I think I've narrowed it down to the following modifications (below). Can anyone verify that these are the right moves? Thanks in advance!

R6: 10k (lower minimum gain)
R7: 10k (lower maximum gain)
C4: .047 (high pass filter compensation)
C5: .22 (original 808 value)
R11: Somewhere around 22k (loudness control)


Attachments:
OD-2 Schematic.jpg
OD-2 Schematic.jpg [ 63.77 KiB | Viewed 3873 times ]
LilModSchematic.jpg
LilModSchematic.jpg [ 209.11 KiB | Viewed 3873 times ]
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PostPosted: Fri Feb 16, 2024 9:11 pm 
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Joined: Tue Jan 02, 2007 1:24 pm
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Location: Albany, NY
Looks good to me. If you want the bass roll-off frequency to be equivalent to a stock TS (~720 Hz), then C4 should be .022uf. The .047 if cap in combo with R7=10K will lower it to ~340 Hz, so will be very close to the "Full" setting of the toggle switch on the stock OD2.

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