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.

GRAS PA0018 Cable Drum

GRAS PA0018 Cable Drum

The PA0018 is a cable drum for approximately 200 m microphone cable...

GRAS PR0001 Array Module with Central Cable Connection

GRAS PR0001 Array Module with Central Cable Connection

A mounting rail with central cable connection for up to six GRAS array microphones, e.g. GRAS 40PH or 40PL...

GRAS PR0002 Array Module

GRAS PR0002 Array Module

A mounting rail which allows array microphones to be spaced at intervals of 25 mm, 50 mm, 75 mm, 100 mm, etc...

GRAS RA0001 Right-angled (90º) Adapter for 1/2" microphone and 1/4" preamplifier

Length: 10 mm
Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: 11.70-60 UNS-2
Material: stainless steel

GRAS RA0001 Right-angled (90º) Adapter for 1/2" microphone and 1/4" preamplifier

The RA0001 is a right-angled adapter for using a 1/2" microphone with a 1/4" preamplifier. It can be used with any standard 1/2" microphone and 1/4" preamplifier such as the GRAS 26AC. The RA0001 could be useful in situations where the microphone has to be flush mounted on a wa..

GRAS RA0003 Adapter for 1/2" microphone and 1/4" preamplifier

Length: 10 mm
Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: 11.70-60 UNS-2
Material: stainless steel

GRAS RA0003 Adapter for 1/2" microphone and 1/4" preamplifier

The GRAS RA0003 is a straight adapter, for placing between a 1/2" microphone and a 1/4" preamplifier...

GRAS RA0006 Right-angled (90º) Adapter for 1/4" Microphone and 1/4" Preamplifier

Length: 9 mm Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: 5.70-60 UNS-2 
Material: stainless steel

GRAS RA0006 Right-angled (90º) Adapter for 1/4" Microphone and 1/4" Preamplifier

The RA0006 is a right-angled adapter for using a 1/4" microphone with a 1/4" preamplifier. It can be used with any standard 1/4" microphone and 1/4" preamplifier such as the GRAS 26AC. The RA0006 could be useful in situations where the microphone has to be flush mounted on a..

GRAS RA0007 Straight adapter for 1/4" preamplifiers

Length: 8 mm Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: 5.70-60 UNS-2
Material: stainless steel

GRAS RA0007 Straight adapter for 1/4" preamplifiers

Straight adapter, length 7.5 mm, for placing between a 1/4" microphone and a 1/4" preamplifier. This item is an extender (not adapting anything)...

GRAS RA0009 Adapter for Pistonphone calibration

Material: Black POM

GRAS RA0009 Adapter for Pistonphone calibration

The RA0009 is an adapter for calibrating the Outdoor Microphone System Type 41AM. It fits over the rain protection cap of the GRAS 41AM and permits in-situ calibration using a Pistonphone such as the GRAS 42AA or a Calibrator such as the GRAS 42AB. ..

GRAS RA0016 20 dB Attenuator for externally polarized 1/2" microphones

Length: 47.5 mm
Diam.: 12.70 mm

GRAS RA0016 20 dB Attenuator for externally polarized 1/2" microphones

Recommendation: Choose a microphone with low sensitivity instead of using the RA0016. The RA0016 is a 20 dB attenuator for inserting between a 1/2" microphone and preamplifier. It will attenuate the output signal of the microphone by 20 dB in order to avoid overloading the preamplifier. The ..

GRAS RA0017 Adapter for 1" microphone and 1/2" preamplifier

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...

GRAS RA0018 20 dB Attenuator for prepolarized 1/2" microphones

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..

GRAS RA0019 Adapter for 1/4" microphone and 1/2" preamplifier

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. ..