tech21 SansAmp GED-2112 Operating and maintenance manual

August 2, 2017
SERVICE NOTES for GED-2112
For Qualified Technicians Only
WARNING: No user-serviceable parts inside. Opening and altering the contents within will void the
warranty unless performed by a qualified service technician.
NOTE: The following service notes are recommended as one-time only procedures. It is NOT
recommended to make these changes on a repeated basis.
DESCRIPTION:
The GED-2112 contains two internal jumpers. The first allows the outputs to be tied together so both
channels can be fed through a single output. The second is to configure the operation of the Function
Switch from “mute” to “bypass”.
1. Remove AC cable from unit.
2. Remove bottom cover for access to circuit boards. Carefully unscrew six philips head screws
securing bottom cover to chassis. Be sure to use #2 size screwdriver. Set cover and screws to
the side.
3. Jumpers are located near the FX loop return jack.
TIE JUMPER: The GED-2112 is shipped from the factory with Drive and Deep channels routed through
their respective XLR and ¼” jacks. This configuration is shown in PHOTO 1 below.
PHOTO 1

Moving the jumper to the “TIE” position will combine the Drive and Deep channels to the ¼” and XLR
Drive and Deep output jacks. Please refer to PHOTO 2 below.
PHOTO 2
FUNCTION SWITCH JUMPER: The GED-2112 is shipped from the factory with the Function Switch
operating as a mute button. Please refer to PHOTO 1 on previous page.
Moving the jumper to the “BYPASS” position will send unaffected signal through the ¼” and XLR Drive
and Deep jacks when the Function Switch is disengaged. Please refer to PHOTO 3 below.
PHOTO 3
4. After configuring jumpers to desired positions, replace bottom cover. Be sure not to over-
tighten or strip the six philips head screws.