Accessories
GRAS Sound & Vibration offers a wide range of standard accessories in the form of cables, adapters, windscreens and tripods for use in measuring set-ups. These can be broadly split up under accessories for microphones, for preamplifiers, for outdoor microphones, for pistonphones and pinna simulators and accessories for ear simulators. Some are included with certain products, some are available as extras. All can be ordered individually. The brief descriptions given here as well as those on downloadable accessories sheet will help you to select what you need for your particular set-up. At all events, feel free to contact your GRAS partner if you need advice or further information.
GRAS Sound & Vibration also offers a wide range of special products and customised solutions. Our experience within the field of acoustics and vibration, combined with our short development time, enable us to provide innovative solutions to complex measurement problems in close co-operation with the customer. For a technical discussion of your measurement requirements, please contact your local representative or contact GRAS Sound & Vibration directly in Denmark.
Length: 47.50 mm (excl. connector)
Diameter: 12.70 mm
Material: stainless steel
GRAS RA0062-S1 50 pF Preamplifier-input Adapter for 1/2" preamplifiers
The RA0062-S1 is a 50 pF input adapter for 1/2" preamplifiers. One end screws on to a 1/2" preamplifier and the other end has a BNC input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the BNC input results only in loading the pream..
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...
Material: Black POM
GRAS RA0069 Microphone adapter for pistonphones
1/2" Adapter for 1/8" microphones when calibrating using GRAS pistonphones and Sound Calibrator...
GRAS RA0070 Test Base for Ear Simulators, Basic
Test base for GRAS artificial ears and couplers...
GRAS RA0072 Octopus coupler
Octopus couplers for calibrating up to eight 1/2" microphones simultaneously...
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...
Length: (excl. connector): 37.5 mm
Diameter: 6.35 mm
Material: stainless steel
GRAS RA0080 6pF Preamplifier-input adapter for 1/4" microphones
The RA0080 is a 6pF input adapter for 1/4" preamplifiers. One end screws on to a 1/4" preamplifier and the other end has a Microdot input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the Microdot input results only in loading the ..
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...
GRAS RA0083 BNC to 7-pin LEMO Adapter
For utilising the signal and signal-ground pins only of the 7-pin LEMO input of a preamplifier power supply. ..
