Need More Crunch out of the BYOC Overdrive Pedal

[mattpas]

Hey all,
I just finished the overdrive pedal and I made it to 808 specs but I used two 3mm LEDs in the clipping path for that Crunchy Punchy medium gain sound.
I was wondering, I love the gain sound of the LEDs but would love to have it give me a bit more to be on the edge of medium-high gain.
What can I change?

I also used a B2K tone knob but find it a little bright, should I go back to the B25K?

[petemoore]

I just finished the overdrive pedal and I made it to 808 specs but I used two 3mm LEDs in the clipping path for that Crunchy Punchy medium gain sound.
I was wondering, I love the gain sound of the LEDs but would love to have it give me a bit more to be on the edge of medium-high gain.
What can I change?
  Why change, stick a diode with smaller foreward threshold right across an LED, maybe through a switch if you have room, you can try different diode configs.
  Some people mess with the gain setting R/C combo on the feedback loop.
  Jacking up the signal before diodes and using diodes that clip at a lower threshold, do 1 thing the same at least, cause clipping to occur earlier, of course also the Opamp will be in a different spot of it's linear region when this occurs...but as far as hardness of distortion either can increase it.
  I really need to study my vocabulary, and see if I can tell what 'gain' actually means, here's a definition
  Electronics. An increase in signal power, voltage, or current by an amplifier, expressed as the ratio of output to input. Also called amplification.
  And the rest of it...http://www.answers.com/gain?cat=technology&gwp=11&method=3&ver=2.3.0.609
  Sticking with the 'clinical' definition...the diodes would be removed for highest gain ?
  I think you want more distortion, the TS has enough output for you.
  I always put clipping diodes in 'longtall' style so I have room to stick diodes on them [and of course start with the high threshold clipping level], or socket, or otherwise find another easy way to reduce a high clipping threshold starting point...you can probably tack solder right to the LED's if they're sticking up enough for the iron to touch the leads...just use hot iron, tin and preheat your to be soldered lead, but the hot lead and iron to the LED for a >a second or so.
  I also used a B2K tone knob but find it a little bright, should I go back to the B25K?
  I would use the kit tone pot. TS shows 20k something, a wierd taper. 2k is 10x which is nowhere near a >10%  value difference.

[mattpas]

bump

[ianmgull]

I think you can get a bit more gain by switching the 500k gain pot with a 1M pot.

[ubersam]

If you want more 'edge', try lifting the 51pF resistor.