The following are appropriate connections when using the "four-cable" method setup with the ES-8:
- Connect your guitar to Input of the ES-8.
- Connect the Send Volume of the ES-8 to the input on your amp.
- Connect the Send on your amp to the Send Return on the ES-8.
- Connect Output 1/L or 2/R on the ES-8 to the Return on your amp.
See also the "Connecting with the Four-Cable Method / Also Switching the Amp’s Channels" section in the ES-8 Owner's Manual.
After making the connections, be sure to turn on the Volume loop in the ES-8:
- Press DISPLAY/EXIT to Select the Loop On/Off screen.
- Press Page Right until the Volume Loop (V) is visible.
- Press "+" to activate the Volume Loop.
To determine which effects come before or after your amp's preamp section:
- Press DISPLAY/EXIT until you get to the Loop Structure Screen.
- Press Left/Right Arrow until the cursor is under the Volume Loop (V).
- Press ENTER.
- Press +/- until the Volume Loop is in the desired position.