Power modules with constant current power (CCP)
Connection: CCP
Channel(s): 1
GRAS 12AL 1-Channel CCP Power Module with A-weighting filter
The GRAS 12AL CCP (Constant Current Power) Supply is a low-noise single-channel power supply for CCP transducers and preamplifiers.
Connection: Traditional 200 V / CCP
Channel(s): 2
GRAS 12AQ 2-Channel Universal Power Module with signal conditioning and PC interface
The GRAS 12AQ Power Module is a dual-channel power supply for preamplifiers (CCP as well as traditional) used with measurement condenser microphones.
Connection: CCP Channels: 4
Gain: 0, 20, 40 dB
GRAS 12AX 4-Channel CCP Power Module with Gain
The GRAS 12AX CCP (Constant Current Power) Supply is a low-noise 4-channel power supply for CCP microphone sets.
Microphone power: CCP
Channel(s): 1, 2, or 4
TEDS via USB
GRAS 12BA, 12BE and 12BB CCP Power Modules with TEDS Support
12BA, 12BE and 12BB are 1-, 2- and 4-channel CCP power modules, respectively. They have SysCheck2™ and TEDS support and are powered by USB.