The GRAS RA0072 is an Octopus coupler for calibrating up to eight 1/2" microphones simultaneously with one Pistonphone.
Typical application and use
The main coupler of an octopus coupler, which replaces the pistonphone’s normal coupler, is connected to eight separate couplers via narrow-bore flexible tubes 50 cm long. Each of these separate couplers can accept a microphone or a plug substitute.
Quality & Warranty
GRAS 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.