For microphones
Length: 4 mm
Diameter: 23.77 mm
Material: stainless steel
GRAS RA0017 Adapter for 1" microphone and 1/2" preamplifier
The RA0017 is a simple adapter for using a 1" microphone with a 1/2" preamplifier. It can be used with any standard 1" microphone and 1/2" preamplifier such as the GRAS 26AK...
Length: 47.5 mm
Diam.: 12.70 mm
GRAS RA0018 20 dB Attenuator for prepolarized 1/2" microphones
Recommendation: Choose a microphone with low sensitivity instead of using the RA0018. RA0018 is a 20 dB attenuator for inserting between a 1/2" prepolarized microphone and preamplifier. It will attenuate the output signal of the microphone by 20 dB in order to avoid overloading of the preampli..
Length: 70 mm
Inner threading for preamp.: 11.70-60 UNS-2
Outer threading for mic.: 5.70-60 UNS-2
Material: stainless steel
GRAS RA0019 Adapter for 1/4" microphone and 1/2" preamplifier
The RA0019 is an adapter for using a 1/4" microphone with a 1/2" preamplifier. Its influence on the acoustic field is minimal. To reduce attenuation of the microphone signal, the guard ring of the preamplifier is extended through the RA0019. ..
Length: 54.0 mm
Outer diameter: 13.2 mm
Threading (mic. protection grid threading): 12.70-60 UNS-2
Material: Stainless steel
Weight: 45 g
GRAS RA0020 1/2" Nosecone
The RA0020 is specially designed and optimized for use with 1/2" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel...
Length: 54.0 mm
Outer diameter: 13.0 mm
Threading (mic. protection grid threading): 12.70-60 UNS-2
Material: Aluminum (black anodized)
Weight: 15 g
GRAS RA0020-A 1/2" Nosecone, lightweight
RA0020-A is a nosecone for 1/2" microphones. It is similar to RA0020 but made of aluminium for lightness...
Length: 36.7 mm
Outer diameter: 7.0 mm
Threading (mic. protection grid threading): 6.35-60 UNS-2
Material: stainless steel
Weight: 7 g
GRAS RA0022 1/4" Nosecone
The RA0022 is specially designed and optimized for use with 1/4" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel...
Length: 17 mm
Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: M3
Material: stainless steel
GRAS RA0063 Adapter for 1/8" microphone and 1/4" preamplifier
The RA0063 is an adapter for using a 1/8" microphone with a 1/4" preamplifier. It can be used with any standard 1/8" microphone and 1/4" preamplifier such as the GRAS 26AC...
Length (excl. connector): 47.50 mmDiam.: 12.70 mm
GRAS RA0067 Transmitter Adapter for 1/2" microphones
The GRAS RA0067 enables a prepolarized 1/2" microphone (typically a GRAS 40AD) to be used as a high-impedance sound source...
Length: 63 mm
The thick end is provided with:
Inner threading for preamp.: 11.70-60 UNS-2
Outer threading for mic.: 23.11-60 UNS-2
Material: stainless steel
GRAS RA0073 Adapter for 1" microphone and 1/2" preamplifier
The RA0073 is an adapter for using a 1˝ microphone with a ½˝ preamplifier. The influence of the RA0073 on the acoustic field is minimal...
Length: 18.95 mm
Diameter: 23.77 mm
Material: Stainless steel
GRAS RA0077 NBS 9-A Coupler adapter for 1/2” microphone
The GRAS RA0077 adapts a 1/2” microphone (remove grid) into a 1" microphone (without grid). Designed for NBS 9A / IEC 60313 Coupler GRAS RA0075 and Artificial Ear with NBS Coupler GRAS 43AF...
GRAS RA0081 Special tool for gripping 1/2” microphones
Pliers for firm but gentle gripping of a 1/2” microphone when unscrewing its protection grid or unscrewing the microphone from a preamplifier...
Length: 39 mm
Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: M3
Material: stainless steel
GRAS RA0082 Adapter for 1/8" microphone and 1/4" preamplifier (long version)
The GRAS RA0082 is an adapter for using a 1/8" microphone with a 1/4" preamplifier...
