34
¼” Externally Polarized and Prepolarized G.R.A.S. Microphones
All the items you need for level and frequency calibration of an ¼” G.R.A.S. microphone
are shown on this page.
Level Calibration
26AN Preamplifier, insert voltage
¼” microphone (DUT)
RA0049 ¼” to ½” (Pistonphone)
Adapter
42AP Pistonphone
AL0017 Calibration Stand
Frequency Calibration
RA0014 Electrostatic Actuator
AL0010 Calibration Stand
GR0324 ¼” to ½” Adapter (for
Actuator)
¼” microphone (DUT)
26AB ¼” preamplifier with
integrated LEMO connector
G.R.A.S.
Pistonphone
G.R.A.S.
R
A 0 014
G.R.A.S.
Type xxxx
G.R.A.S.
Type xxxx