Mischief Basic LM308n Chip Proco Rat 2 mod
The new rats feature and OP7 op amp but the Vintage ones have an LM308n Op Amp that a lot of people prefer the sound of.
This mod will replace your op7 Op Amp with an NOS LM308n Op amp We also replace the power jack with a boss style power jack and add a flat screw to the battery Door mod like replacing the bulky one that comes stock. This will make your Rat mount to your pedalboard with ease. you also get the LED color of your choice. Comes with black stock Rat 2 knobs