Microphone Preamplifiers

The preamplifier has a very high input impedance presenting virtually no load to the microphone. The high output voltage together with an extremely low inherent noise level gives a wide dynamic range.

Specifications	AWA14600	AWA14601	AWA14604	AWA14614
Frequency Response (re. 250 Hz)	10 Hz ~ 20 kHz, ±0.1 dB 10 Hz ~ 200 kHz, ±0.2 dB	10 Hz ~ 20 kHz, ±0.2 dB 10 Hz ~ 200 kHz, ±0.5 dB	10 Hz ~ 20 kHz, ± 0.1 dB 10 ~ 200 kHz, ± 0.2 dB
Gain	-0.03 dB	-0.15 dB	-0.1 dB	-0.2 dB
Input Impedance	≥10 GΩ//0.3 pF	≥15 GΩ//0.5 pF	≥15 GΩ//0.3 pF	≥10 GΩ//0.5 pF
Background Noise (20Hz ~ 20kHz)	<3 μV A-weighting <5 μV A-weighting	<3 μV A-weighting <7 μV A-weighting	<5 μV A-weighting <7 μV A-weighting	<5 μV A-weighting <12 μV A-weighting
Distortion(THD) @1kHz 1 V	<0.02%	<0.05%	<0.1%
Output Impedance	＜5Ω	＜50Ω
Max. Output Voltage	10 VRMS @ Power Voltage 60 V >35 VRMS @ Power Voltage 150 V	7 VRMS @ Power Voltage 30 V	5 VRMS
Power Voltage	28 V ~ 150 V ±14 V ~ ±75 V	9 V ~ 45 V	ICP 2 mA~20 mA
Operating Current	1 mA	1 mA	ICP 2 mA~20 mA
Polarization Voltage (V)	200, 60, 28, 0	0
Dimensions	Ф12.7mm × 80 mm	Ф12.7mm × 62 mm	Ф12.7mm × 70 mm	Ф6.35mm× 85 mm
Weight	<20 g (not include cable)
Operating Temperature	-20°C ~ +50°C
Humidity	25 %～ 90 %(RH)
Atmospheric Pressure	65 kPa～108 kPa
Connector Type	7 pin Lemo connector FGG.1B.307	X9-6T socket	BNC
Thread for Preamplifier Mounting	11.7 mm-60 UNS
Available	1/2" Measurement Microphone AWA14423, AWA14425, AWA14422				1/4" Measurement Microphone AWA14435