Catalog

The GRAS 26CK ½” Preamplifier, Very Short is a very small preamplifier optimized for use with prepolarized condenser microphones. It is a robust unit that uses a constant current power (CCP) supply. The 26CK has a very low inherent noise level, a large dynamic range, and a frequency response from be..

The GRAS 26CS 1/4" Preamplifier is a very small preamplifier optimized for use with prepolarized condenser microphones. It is a robust unit and uses a CCP power supply. It has a very low inherent noise level, a large dynamic range and a frequency response from below 2 Hz to above 200 kHz...

The GRAS 26CT 1/4" Preamplifier is a very small preamplifier optimized for use with prepolarized condenser microphones. It is a robust unit and uses a CCP power supply. It has a very low inherent noise level, a large dynamic range and a frequency response from below 2 Hz to above 200 kHz...

The GRAS ¼″ Preamplifier Type 26HG 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 wide frequency response from below 1 Hz toabove 200 kHz...

The 40AC is an IEC 61094 WS2F classified ½” externally polarized free-field, wide-frequency microphone with rear-venting. The prepolarized equivalent is GRAS 40AM...

The 40AD is an IEC 61094 WS2P ½" prepolarized pressure microphone with rear-venting. The externally polarized equivalent is GRAS 40AP..

The GRAS 40AE is a 1/2" Prepolarized free-field microphone for measuring medium sound pressure levels at medium frequencies. The equivalent externally polarized 200 V type is GRAS 40AF...

The GRAS 40AF is a 1/2" Externally Polarized free-field microphone for measuring medium sound pressure levels at medium frequencies. The equivalent prepolarized 0 V type is GRAS 40AE...

The 40AG is an IEC 61094 WS2P ½″ externally polarized pressure microphone with rear-venting. It is a high-precision condenser microphone made according to IEC 61094-4 requirements and is ideal for coupler measurements in both laboratory and production environments. It is extremely robust and reliab..

The 40AI is an IEC 61094-compliant, WS2F ½" externally polarized sound-intensity microphone pair especially suited for sound-intensity and sound-power measurements, sound-source location and IEC 61043 Standard Instrumentation. Its equivalent prepolarized version is GRAS 40GI..

The 40AK is an IEC 61094-compliant, WS2F ½" externally polarized sound-intensity microphone set. The microphones in the set are two 40AI microphones - two phase-matched free-field condenser microphones with extremely well-controlled phase characteristics for use in sound-intensity probes. This micro..

The 40AM is an IEC 61094 WS2F classified ½” prepolarized free-field, wide-frequency microphone with rear-venting. The externally polarized equivalent is GRAS 40AC...