GRAS 12BA 1-Channel CCP Power Module with TEDS Support

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The GRAS 12BA  is a single-channel USB-powered CCP power module with TEDS support.It provides power to one microphone set without signal degradation, gain modification, or attenuation.

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GRAS 12BA 1-Channel CCP Power Module with TEDS Support









It is intended as a simple and cost-effective interface between TEDS-enabled measurement microphones and any Audio Precision APx series analyzer which will automatically extract TEDS data for seamless integration.

However, it can also be used with other brands.  In this case, a utility program provides access to TEDS data on a PC. This program can be downloaded here.

Power for the 12BA is provided through a USB cable using a USB 2.0 or USB 3.0 port and a USB-C port on the power module.

If more than one microphone must be used, a four-channel version is available, the 12BB.

Alternatively, multiple power modules can be used concurrently.









Specifications








Type






Constant Current Power (CCP)






USB Interface

InterfaceType A Peripheral Interface
VersionUSB C/USB 2.0
PowerUSB +5 V, 500 mA max

Microphone Channel

Channel(s)1 x BNC
Max input voltage (limited by 24 V microphone power)Vpeak24
PowermA4
CouplingAC, 10 Hz high-pass filter

General

BandwidthHz10 to 20 (±0.06 dB)20 to 200 k (±0.03 dB)
Noise, input shorted, 10 Hz to 20 kHzµV RMS< 2.0
Temperature range, operation°C / F0 to +45 / 32 to 113
Temperature range, storage°C / F-40 to +75 / -40 to 167
HumidityUp to 40 °C/104 F90%, non-condensing
EMCEN 61326-1: 2013 Class B
SafetyUL/EN/IEC62368-1, Second Edition
Dimensions, width x height x depthmminches108 x 44.2 x 193.84.25 x 1.74 x 7.63
Weightg/oz 397/14