Compact and powerful talkback mic pre fet compressor. Can be used as simple balanced in THAT1510 mic pre with balanced out with comp disabled.
- Neutrik Gold XLR in and out on PCB
 - Talkback switch terminals
 - Comp on/off threshold terminals
 - 10 pin Amp Head plug
 - THAT1510 mic pre 
 - NE5532A balanced output
 - Power +/-12v to +/-18v or single 24v rail with 2 x 12v zeners or 30v with 2 x 15v zeners or 36v with 2 x 18v zeners
 - PCB 2" (50.8mm) x 3.3: (83.8mm)
 - Mounting holes 22mm spaced 1" (25mm) apart. See below diagram
 
 
Talkback Comp Build Thread here
 
Click on image below for larger image

All measurements in millimeters