Traditional power supply (LEMO)

Traditional power supply (LEMO)

  1. 12AQ 2-Ch Universal Power Module, signal cond, remote
    Connection: Traditional 200 V / CCP
    Channel(s): 2

    G.R.A.S. 12AQ 2-Channel Universal Power Module with signal conditioning and PC interface

    The G.R.A.S. 12AQ Power Module is a dual-channel power supply for preamplifiers (CCP as well as traditional) used with measurement, condenser microphones.

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  2. 12AN 4-Ch Power Module
    Connection: Traditional 200 V
    Channel(s): 4

    G.R.A.S. 12AN 4-Channel Power Module

    The G.R.A.S. 12AN 4-Channel Power Module is a four-channel power module with 7-pin LEMO 1 B connectors for externally polarized measurement microphone sets. The inputs are AC-coupled directly to the outputs for a flat frequency response down to 0.05 Hz. It provides the basic features for powering condenser measurement microphones.  The polarization voltage can be selected to 200 V for externally polarized microphones or 0 V for prepolarized microphones. The supply voltage for the preamplifiers is ±15 V.

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  3. 12AA 2-Ch Power Module, gain, filters and SysCheck
    Connection: Traditional 200 V
    Channel(s): 2

    G.R.A.S. 12AA 2-Channel Power Module with gain, filters and SysCheck generator

    The G.R.A.S. 12AA Power Module is a dual channel power supply for preamplifiers used with condenser microphones. It is for general use in acoustic measurements as well as for intensity measurements; both in the laboratory and in the field.

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  4. 12AR 2-Ch Power Module
    Connection: Traditional 200 V
    Channel(s): 2

    G.R.A.S. 12AR 2-Channel Power Module

    The G.R.A.S. 12AR Power Module is a dual-channel power supply for preamplifiers used with condenser microphones. It is for general use in acoustic measurements; both in the laboratory and in the field.

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  5. 12AD 1-Ch Power Module
    Connection: Traditional 200 V
    Channel(s): 1

    G.R.A.S. 12AD 1-Channel Power Module

    The G.R.A.S. 12AD Power Module is a single-channel power supply for preamplifiers used with condenser microphones. It is for general use in acoustic measurements; both in the laboratory and in the field.

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  6. 12AG 8-Ch Power Module, gain, filters and SysCheck
    Connection: Traditional 200 V
    Channel(s): 8

    G.R.A.S. 12AG 8-Channel Power Module with gain, filters and SysCheck generator

    The G.R.A.S. Power Module 12AG is an 8-channel power supply for preamplifiers used with condenser microphones. It is for use in multichannel acoustic measurements in both laboratory and field.

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  7. 12AK 1-Ch Power Module, gain, filters and SysCheck
    Connection: Traditional 200 V
    Channel(s): 1

    G.R.A.S. 12AK 1-Channel Power Module with gain, filters and SysCheck generator

    The G.R.A.S. 12AK is a single-channel power module with a 7-pin LEMO 1B connector for power and polarization of an externally polarized microphone set. It features SysCheck, instantaneous and latched overload indication, adjustable gain settings, A-weighting, and Lin and HP filters. These features make the 12AK the ideal choice for a wide range of applications such as monitoring, laboratory use, and sound level meter measurements.

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