Description :

Note:

 1. Circuit board size: 54mm*41mm, which can be installed in the 1590B effector shell.

 2. Power supply: DC9V single block effect power supply (positive outside and negative inside).

 3. Knob adjustment: RV1-DELAY, RV2-FEEDBACK, RV3-MIX 4. Do not put the electric board directly on the

  desktop or the ground when testing the bare board, otherwise the ground may be introduced, which will cause a lot

 of noise or even fail to work normally. It is best to hang the board in the air and leave the desktop or ground. .