• Power Module - Type 12AN

    The Power Module Type 12AN is a four-channel, battery-operated, microphone power supply. It has four 7-pin LEMO 1B input connectors for microphone preamplifiers and four BNC output sockets.

  • Power module - Type 12AP

    The Power Module Type 12AP is a power supply and conditioning amplifier for simultaneously powering a preamplifier for a condenser microphone and an amplifier for a loudspeaker (suitably, any sound source using a loudspeaker/earph…

  • Power Module - Type 12AK

    The Power Module Type 12AK is a single-channel, battery-operated, microphone power supply, amplifier and filter unit. It has a 7-pin LEMO 1B input connector for a microphone preamplifier and a BNC output socket.

  • Power Module - Type 12AG

    The Power Module Type 12AG is an 8-channel mains/line operated power supply, but can also be powered by an external DC supply. It is built for multi-channel acoustic measurements, using preamplifiers and condenser microphones.

  • Power Module - Type 12AA

    The Power Module Type 12AA is a two-channel, battery-operated, microphone power supply, amplifier and filter unit. It has two 7-pin LEMO 1B input connectors for microphone preamplifiers as well as two BNC output sockets. Both chan…

  • CCP Supply - Type 12AL

    he Type 12AL is a low-noise CCP* Supply for powering microphone preamplifiers requiring a constant-current power supply, e.g. G.R.A.S. Preamplifiers Type 26CB (¼") and Type 26CA (½"). It can also power the G.R.A.S. Probe Microp…

  • CCP Input Adapter - Type AG0002

    Click to enlargeThe AG0002 is an inline adapter for using a CCP preamplifier with a (constant-voltage) G.R.A.S. Power Module.

  • Intensity Power Module - Type 12AB

    The Intensity Power Module Type 12AB is a two-channel, battery-operated, microphone power supply for use with the Sound Intensity Probe Type 50AI versions B, C and D.

  • Power Module - Type 12AD

    The Power Module Type 12AD is a single-channel, battery-operated, microphone power supply.

  • Power Module - Type 12AR

    The Power Module Type 12AR is a two-channel, battery-operated, microphone power supply.

  • Power Module - Type 12HF

    The G.R.A.S. Power Module Type 12HF is a power supply for single-channel, low-noise measurements using the matched, low-noise preamplifiers and high-sensitive microphones of a G.R.A.S. low-noise measuring system.

  • Power Module - Type 12HM

    The G.R.A.S. Power Module Type 12HM is a 10-channel power supply for multi-channel low-noise measurements using the matched, low-noise preamplifiers and high-sensitive microphones of a G.R.A.S. low-noise measuring system.


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