The G.R.A.S. RA0176 adapts 1/2" preamplifier to the IEC 60318 Coupler. Designed for use with RA0039 in G.R.A.S. 45CA.
IEC 60318 Coupler RA0039 in the Hearing-protector Test Fixture Type 45CA
(IEC 60318 Coupler RA0039 in Telephone Test Head Type 45AA – but difficult to calibrate. Use Type 43 AD instead).
Note: Not for Artificial Ear with IEC 60318 Coupler Type 43AA.
Inner tread equal to 1" Pre-amp thread 23.11-60 UNS-2.
Quality & Warranty
G.R.A.S. accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use.
On consumables like batteries, cables and windscreens we offer a 6 month warranty.