Preamplifiers

GRAS 26AG 1/2'' Insert Voltage Preamplifier with Integrated Connector

Freq range: 2.5 Hz - 200 kHz
Noise: 1.8 µV
Gain: -0.25 dB
Special feature: Insert voltage for determining open-circuit sensitivity of a microphone

GRAS 26AG 1/2'' Insert Voltage Preamplifier with Integrated Connector

The GRAS 26AG is a small robust preamplifier with insert voltage calibration facility. It has a very low inherent noise level, a wide dynamic range and a frequency response from below 2 Hz to above 200 kHz...

GRAS 26AN 1/4'' Insert Voltage Preamplifier

Freq range: 2.5 Hz - 200 kHz
Noise: 1.8 µV Gain: -0.29 dB
Special feature: For open-circuit sensitivity calibration of 1/2" and 1/4" microphone cartridges

GRAS 26AN 1/4'' Insert Voltage Preamplifier

The GRAS 26AN 1/4" Preamplifier is a small robust unit optimised for acoustic measurements using condenser microphones. It has a very low inherent noise level, a wide dynamic range and a frequency response from below 2 Hz to above 200 kHz.GRAS 26AN is configured to permit use of the insert..