GOODWOOD AUDIO The TX Interfacer Manual Download Page 5

Stereo Sum

Use this mode when the last pedal in your signal chain is stereo. 

When the LED is red, you will have a true stereo signal being sent to 

your amplifiers. When the LED is blue, the left and right signal being 

sent by your last pedal is combined to mono, and then split to both 

outputs – commonly referred to as dual mono. This is useful if you 

only have one amp at rehearsal, but two amps live. Use blue mode 

when you only have one amp to preserve your stereo ping pong 

delays, and then switch to red mode for when you have two amps.
When you’re playing live with two amps and one dies, simply hold 

down the footswitch and the repeats of your ping pong delay will be 

combined to both outputs. It doesn’t matter which amp dies and 

you don’t have to stop playing and use a hand to flick a toggle or 

push a button.

Split Sum

This mode is best suited to people who run a mono pedal board, 

but like using two amps. To change to this mode take the lid off the 

box and move the two dip switches from Stereo Sum to Split Sum. 

Connect your last pedal to the L return of The Interfacer and keep  

it in blue mode. This will create a dual mono signal. If you switch  

to red mode the L output will stay active, but the R output will  

have no signal.

Ground Lift & Phase Correction 

(The TX Interfacer only)

The TX Interfacer features red and black push buttons.
Press the red button to lift ground of the right output. Press the 

black button to invert the phase of the right output by 180°
For phase inversion to work ground lift must be active – red button 

pushed in.

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