Test And Alignment Instructions; Measuring And Test Equipment - Sennheiser HME 26-600 Service Manual

4

Test and alignment instructions

4.1

Measuring and test equipment

Note:
Make sure that your measurement and test equipment is regularly calibrated.
Measurement equipment Specification
Power supply unit 5 A, 2 x 0 to 30 V
AF signal generator Range from 4 Hz to 100 kHz;
(function generator)/ Sinus/Rectangle;
Sweep function;
Audio analyzer THD measurement possible;
ANALOG/DIG
Filter: A-weighted
Multimeter Measuring range: μA
Displayed at least 4 digits
Oscilloscope Measuring range up to 100 MHz;
2 channels;
Save function;
Time base delayed;
Sampling rate 1.25 GS/s
Audio amplifier With high impedance
microphone input (e.g. 47 k
–
Dynamometric key for the
headset assembling
Recommendation
HAMEG HMP 2020
DC
Rohde & Schwarz UPP 200 with
digital interface AES EBU 3 or
Audio Precision AP System 2722
; HAMEG 8012
DC
Tektronix TDS 3012B
commercial
Ω
)
commercial
HMD/HMDC/HME 26 Broadcast
08/2011 11/23