Williams Sound PFM 173, Manual And User Manual

Page: 14 / 20

Williams Sound
®
Helping People Hear
14
A
COUSTIC
S
PECIFICATIONS
ANSI S3.22–1987 T
EST
FM Response (Transmitter, Receiver)
Max. SSPL90: 118.2 dB at 700 Hz
HF Avg SSPL90: 113.7 dB
HF Avg Full On Gain: 27.5 dB at 60 dB in
Reference Test Gain: 27.5 dB
Response Limit: 67.4 dB, F1=200 Hz, F2=8 kHz
Total Harmonic Distortion: 1.3% at 500 Hz
0.5% at 800 Hz
0.7% at 1600 Hz
EQ Input Noise: 38.6 dB
Reference Test Gain: 27.5 dB
500 1000
Frequency (Hz)
60
70
80
90
d
B
S
P
L
60 dB RESP.
80
90
100
110
60 dB Resp Curve SSPL90 Curve
250
2000 4000
M
AXIMUM
V
OLUME
, 2
CC
C
OUPLER
, EAR 013