GRAS Accessories Miscellaneous

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.

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 microphonesfor 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 AB0002 Mains/line power supplyGRAS AB0002 Mains/line power supply

The GRAS AB0002 is a power supply  which provides a regulated 15 V DC. The mains power connector is for EU.

Alternatives

The corresponding power supply with a mains connector for United Kingdom is the GRAS AB0006 and with US mains connector (and US mains voltage) is the GRAS AB0003.

 

GRAS AB0003 Mains/line power supply

GRAS AB0002 Mains/line power supply

Provides a regulated 15 V DC to feed a Power Module which is specified for an external DC  power source. See the specifications for the Power Module. Example: Power Modules specified for 12-18 V DC power supply assuming the power consumption is below limit.

 

GRAS AB0005 Mains/line power supplyGRAS AB0005 Mains/line power supply

The GRAS AB0005 is a SMPS regulated power supply which provides 6 V DC. Regarding mains connector, specify EU, UK or USA when ordering. Suitable adapter cable will be supplied.

 

GRAS AB0006 Mains/line power supplyGRAS AB0006 Mains/line power supply

The GRAS AB0006 is a power supply  which provides a regulated 15 V DC. The mains power connector is for United Kingdom.

Alternatives

The corresponding power supply with a mains connector for EU is the GRAS AB0002 and with US mains connector (and US mains voltage) is the GRAS AB0003.

GRAS AE0001 Plug

The GRAS AE0001 is the 6-pin LEMO FFA.2S.306 male plug as supplied with GRAS 41AM/CN.

 

GRAS AE0003 Plug

The GRAS AE0003 is a LEMO male plug for LEMO extension cables.

 

GRAS AE1002 LEMO 7-pin panel connector

The GRAS AE1002 is a 7-pin LEMO 1B series female connector for panel mounting.

 

GRAS AE1003 LEMO 7-pin cable connector

The GRAS AE1003 is a 7-pin LEMO 1B series female connector for cable mounting.

GRAS AK0040 Standard 19” Rack-mounting SystemGRAS AK0040 Standard 19” Rack-mounting System

The GRAS AK0040 can house instruments, e.g. GRAS Power modules, 133 mm high and is wide enough to contain instruments amounting up to a total width of 430 mm. The AK0040 can in turn be mounted in a standard 19″ rack.

 

GRAS AK0096 Rack KitGRAS AK0096 Rack Kit

The GRAS AK0096 i a bracket for mechanically interconnecting two GRAS 12AA/12AK Power modules side by side.

GRAS AL0011 Calibration Stand for IEC 60318-1 Ear Simulator

The GRAS AL0011 provides a convenient platform for calibrating IEC 60318-1 Ear Simulator e.g. GRAS RA0039.

GRAS GR0625 End pieceGRAS GR0625 End piece

The GRAS GR0625 End piece for GRAS PR0001 & PR0001-1 Array modules. If extending the array horizontally, the end piece is replaced by a connecting piece GR0630.

 

GRAS GR0630 Connecting pieceGRAS GR0630 Connecting piece

The GRAS GR0630 is used to extend the GRAS PR0001 & PR0001-01 in the horizontal direction. i.e. join two Array modules.

 

GRAS GR0707 Spacer for ArrayGRAS GR0707 Spacer for Array

The 50 mm spacer is used to extend a microphone array with Array Module Type PR0001/ PR0001-1 in the vertical direction. A set of 6 spacers is available, see RA0107.

GRAS PA0018 Cable DrumGRAS PA0018 Cable Drum

The GRAS PA0018 is a cable drum for approximatelly 200 m (657 feet) of microphone cable.

 

GRAS PR0001 Array Module with Central Cable ConnectionGRAS PR0001 Array Module with Central Cable Connection

The array module has a single 3 m cable which terminates in a 7-pin male LEMO plug 1B for connecting each array microphone in parallel with a constant current power supply and a multi-channel facility for signal analyses. A modular design allows multiple-array configurations to suit various measurement requirements using supplied as well as available accessories. In all cases, the pitch distance across Array Modules is maintained at 50 mm.

The array microphone is simply plugged into the numbered SMB sockets (which are pitched at 50mm intervals) of the Array Module.

PR0001 has a central cable connection and is numbered 1 to 6 on one side.

 

GRAS PR0001-1 Array Module with Lateral Cable ConnectionGRAS PR0001-1 Array Module with Lateral Cable Connection

The array module has a single 3 m cable which terminates in a 7-pin male LEMO plug 1B for connecting each array microphone in parallel with a constant current power supply and a multi-channel facility for signal analyses. A modular design allows multiple-array configurations to suit various measurement requirements using supplied as well as available accessories. In all cases, the pitch distance across the array module is maintained at 50 mm.

The array microphone is simply plugged into the numbered SMB sockets (which are pitched at 50mm intervals) of the Array Module.

The PR0001-1 has a lateral cable connection and is numbered 1 to 6 on both sides

 

GRAS PR0001-2 Array Module with Angled Central Cable ConnectionGRAS PR0001-2 Array Module with Angled Central Cable Connection

The array module has a single 3 m cable which terminates in a 7-pin male LEMO plug 1B for connecting each array microphone in parallel with a constant current power supply and a multi-channel facility for signal analyses. A modular design allows multiple-array configurations to suit various measurement requirements using supplied as well as available accessories. In all cases, the pitch distance across Array Modules is maintained at 50 mm.

The array microphone is simply plugged into the numbered SMB sockets (which are pitched at 50mm intervals) of the Array Module.

PR0001-2 has an angled central cable connection and is numbered 1 to 6 on one side.

 

GRAS PR0002 Array ModuleGRAS PR0002 Array Module

The GRAS PR0002 Array module is a mounting rail which allows array microphones GRAS 40PH & 40PL to be spaced at intervals of 25 mm, 50 mm, 75 mm, 100 mm etc. i.e. it has 23 microphone positions spaced 25 mm. The PR0002 is delivered with 8 microphone holders. Additional microphone holders can be purchased (GRAS RA0185).

In case you wish to equip the rail with 1/4″ standard microphone sets (typically GRAS 46BE), then use the GRAS RA0245 microphone holders instead of the GR0185.

It is possible to extend the array horizontally and vertically to obtain a bigger array. The array microphones are provided with SMB connectors to which cables are run directly. Regarding the selection of cables and Power Modules, see 40PH and 40PL.

GRAS RA0007 Straight adapter for 1/4″ preamplifiersGRAS RA0007 Straight adapter for 1/4" preamplifiers

This adapter is typically used together with the corrresponding angled adapter GRAS RA0006 for Intensity microphone pairs. Included with GRAS 40BI.

GRAS RA0083 BNC to 7-pin LEMO AdapterGRAS 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.

GRAS RA0087 Special keyGRAS RA0087 Special key

The GRAS RA0087 tool is used when dismantling the microphone assembly of Outdoor Microphone Systems.

GRAS RA0107 SpacersGRAS RA0107 Spacers

The GRAS RA0107 is a set of 6 spacers (50 mm) GR0707 for Array Modules PR0001 and PR0001-1.

GRAS SK0017 Tripod thread insertGRAS SK0017 Tripod thread insert

The GRAS SK0017 Tripod thread insert is typically used when mounting a GRAS Outdoor or Environmental microphone on a tripod provided with a 1/4″ UNC-20 male thread e.g. GRAS AL0006. The products AM0029 and AM0033 will then also be needed.

GRAS SK0057 Tripod conversion screwGRAS SK0057 Tripod conversion screw

All GRAS tripod adapters and tripods have a 1/4″ UNC-20 thread. If a tripod of other brand is used and this is provided with a 3/8” UNC-16 thread, then mount the GRAS SK0057 on the tripod.

 

 

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