GSFW-009 Desktop 2 channel (1 x line & 1 x mic input) 4 Wire Box
This is a 4 wire talkback unit
originally built to meet a particular customers requirements.
It is powered from an external Plug Top PSU.
GS-FW009 Front & Rear Views
2 x 4 wire circuits
1 x 4 wire input is transformer balanced line
level
1 x 4 wire input is mic level
4 wire mic input has gain control & phantom
power (set up on internal link)
4 wire mic input has a direct line level output
(can be cut)
Line level 4 wire input has gain control
Front panel Loudspeaker
Headphone socket (cuts LS)
Separate volume controls for the 2 x 4 wire inputs
Separate dim circuits for each 4 wire input
associated with their own lever key
Front panel Mic input (for gooseneck mic (can
be supplied))
Mic gain control
Compressor/ limiter for front panel mic input
Lever keys route mic to either of the 4 wire
outputs
External +/-12 volt PSU
Audio connections on multipin EDAC connector