Amp-A Send
Sets the level from the AMP-A effects loop to the effects pedal.
Amp-A Return
Sets level from the pedals to the AMP-A effects return input.
Phase Invert
Reverses the effects loop polarity coming back from the pedals.
A/B Select
Selects active amplifier effects loop.
EFX On
Used to bypass the Twinline effects loop to audition the dry signal path.
Cable Clamp
Used to clamp down the power supply for mobile installations.
Power
15VDC power connection for the external power supply.
Remote
JR2 TRS ¼” input connection for optional Radial JR2 remote footswitch.
Slingshot Output
Remote ¼” TRS contact closure output
Unbal Loop
Standard ¼” unbalanced guitar level effects loop with send and receive to pedalboard.
Balanced Loop
Professional +4dB balanced send & receive XLRs for studio effects processor.
Amp-B EFX Loop
Connects from and back to the AMP-B effects loop.
Amp-A EFX Loop
Connects from and back to the AMP-A effects loop
Amp-A Lift
Used to lift the ground on AMP-A effects loop to eliminate ground hum.
Amp-B Lift
Used to lift the ground on AMP-B effects loop to eliminate ground hum.
Loop Lift
Used to lift the ground on the Twinline effects LOOP effects loop to eliminate ground hum.