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Contents Introduction .................. 4 Components ....................4 Additional Equipment ................. 5 User Serviceable Components ..............6 Warranty, Service and Repair ............7 Calibration ....................7 Warranty ....................7 Service and Repairs ..................7 LI0073 – 28 September 2017...
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) screws into the base of the RA0113. In all other respects, this Coupler is equivalent to the RA0038. The RA0113 complies with the following international and national requirements for acoustically testing insert type hearing aids: IEC 60318-5 reference coupler for the measurement of hearing aids using earphones cou- ...
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RA0116 1” to ½” Adapter 26AK ½” Preamplifier Fig. 3 shows an exploded view of the user-serviceable components of the RA0113 as well as available accessories and additional equipment. OR5003 O-ring to enable snap fitting for each Adapter Fig.
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26AK ½" Preamplifier Fig. 3. Exploded view of all the user-serviceable components (in the box above) of the RA0113 Coupler and accessories A microphone without its protection grid should be handled with the utmost care! LI0073 – 28 September 2017...
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Warranty, Service and Repair Calibration Before leaving the factory, all G.R.A.S. products are calibrated in a controlled laboratory environ- ment using traceable calibration equipment. We recommend a yearly recalibration at minimum, depending on the use, measurement environ- ment, and internal quality control programs. We recommend calibration prior to each use to ensure the accuracy of your measurements.
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