Although the Neutrik Audiograph test system has long been discontinued, some spares still remain available.
Writing Pens for Audiograph. 4 colours (red, green, blue, black) not refillable. Writing length: approx. 700m.
Single chart cards for Audiograph with calibrated frequency imprint 20Hz-40kHz (IEC 263). Suitable for measurements with input module 3312. Additional divisions for Reverberation Time measurement. 100 cards per pack.