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G.R.A.S. RA0075, Instruction Manual

The G.R.A.S. RA0075 Instruction Manual is the ultimate companion for effectively operating and maintaining your RA0075 product. To ensure seamless user experience, we offer this comprehensive manual free of charge, available for instant download at our website. Explore the vast functionality of your RA0075 with our detailed, user-friendly manual.

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Instruction Manual

RA0075 6cc Coupler ANSI 3.7 and IEC 60318-3

www.gras.dk

LI0078

– 28 September 2017

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Summary of Contents for RA0075

Page 1: ...Instruction Manual RA0075 6cc Coupler ANSI 3 7 and IEC 60318 3 www gras dk LI0078 28 September 2017 ...

Page 2: ...ation that is made available by G R A S is the copyrighted work of G R A S and is owned by G R A S The content in this document is subject to change without notice G R A S Sound Vibration A S is not liable or responsible for any errors or inaccuracies that may appear in this document Trademarks Any other product names mentioned in this document may be trademarks or registered trade marks of their ...

Page 3: ...Contents Introduction 4 Components 4 Characteristics 5 Exploded View 6 Warranty Service and Repair 7 Calibration 7 Warranty 7 Service and Repairs 7 3 LI0078 28 September 2017 ...

Page 4: ...preamplifier An exploded view of its user serviceable components together with a suitable pre amplifier and adapter and microphone is shown in Fig 2 Preamplifiers It can use either a 1 preamplifier or preamplifier with an adapter The example in Fig 2 shows 26AK G R A S Preamplifier RA0073 G R A S to 1 Adapter Microphones It uses primarily a 1 pressure condenser microphone of the type WS1P with the...

Page 5: ... supra aural ear phone on a human ear Frequency The output level of an earphone on a real ear measured below 500Hz is lower because of leak age and flesh compliance From 500Hz to 1500Hz it is about the same for both ear and cou pler Between 1500Hz and 8000Hz the response of the coupler is a fair indication of the earphone s performance However this cannot necessarily be used as a precise indicatio...

Page 6: ... GR0572 Stop collar 40EN 1 Microphone 40EN in Type L W E 640 AA configuration Can also be used with protection grid Preamplifier e g 26AK or 26AM Fig 2 Exploded view of user servicable parts with a 1 microphone and a preamplifier 6 LI0078 28 September 2017 ...

Page 7: ... defective materials and workmanship The warranty does not cover products that are damaged due to negligent use an incorrect power supply or an incorrect connection to the equipment Service and Repairs All repairs are made at G R A S International Support Center located in Denmark Our Support Center is equipped with the newest test equipment and staffed with dedicated and highly skilled engineers ...

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