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Revision as of 07:20, 27 March 2018
ProCo Rat II. This is today what is sold by ProCo as "The Rat". It's a chinese-made pedal and no longer uses the LM308 opamp integrated circuit (IC).
Controls
Bypass:True
The ProCo Rat II is true bypass.
General Information
https://www.youtube.com/watch?v=5xrBGitOIc4
From http://www.freestompboxes.org/viewtopic.php?f=1&t=13679 :
People say that the OPO7 is thinner or harsher sounding than a LM308. I think, however, that this perception may be down to the fact that a lot of the Chinese Rats have 0.0027uf instead of a 0.0033uf cap in the tone control. This will make a OPO7 Rat sound brighter at the same tone settings compared to a LM308 Rat.
If you bump the compensation cap of a OPO7 up from 33pf to a 100-150pf to compensate for the fact that the OPO7 has a faster slew rate than a LM308 then they sound pretty much the same to me.
Pedal Manual
Phase Inversion
Schematic
Artists
We are currently unaware of any artists actively using the pedal now, or who have in the past.
- Additional Sources
