MPA685 Owner’s Manual
3/2012
15
Noise, <10 to 22 kHz BW, No Weighting
Option 2
-123
dBu
Input Referred
Overload Circuit LED Threshold
1.0
%
LED illuminates at 1.0% THD
Overload Circuit Bandwidth
30k
Hz
AC SPECIFICATIONS
(T
A
=+25°C unless otherwise noted)
Parameter
Min
Typ
Max
Unit
Comments
AC Voltage
115 /
230
V
Selectable on rear panel
AC Frequency
50 / 60
Hz
Fuse
500 mA / 250 V
Slow Blow, Size 0.25” x 1.25” 3AG
or 5x20mm GDC/213, depends on
AC inlet installed
Power “On” Bulb
Type 756, 14 Volt 0.08
Amp T3-1/4, Miniature
Bayonet (BA9S)
15000 Hour Life
ENVIRONMENTAL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Comments
Operating Temperature
0
85
°C
Humidity 40
80
%
Non-condensing