OSD Audio MONO70V - Manual

AUDIO
OSD
70 Volt Volume Control
ATTENUATOR INSTALLATIONS
®
Each terminal will hold up to 2-16AWG stranded wire. For larger wires or
home run situations, a small length of wire and a wire nut are recom-
mended.
Attach wire according to label on terminal block as shown to the right (Non-PA
Models will not have the "VDC+" and "VDC-" terminals). *Install the unit with
the terminal block on top. This will ensure that the OFF position is in the
bottom.
(SCHEMATICS FOR PRIORITY ATTENUATORS)
(WIRING)
(POWER SWITCHING REQUIRE FOR PA ATTENUATORS)
PA
MODELS
ONLY
Speaker with 70V Transformer
WIRING REQUIREMENTS: 1 PAIR FOR AUDIO, 1 PAIR FOR RELAY
TO ATTENUATOR
RELAY COIL
POWER SUPPLY
+
-
PAGING SWITCH
Use 2nd external relay
when paging switch is
part of a paging micro-
phone. This will reduce
hum and noise pickup
from the mic.
RELAY SPECIFICATIONS
Coil Voltage: 24 VDC
Coil Current: 10MA
Contact: 2AMP rating
OSD Audio • 1405 Pioneer St • Brea • CA • 92821 • www.osdaudio.com • Tel (562) 697-2600 • Fax (562) 697-2668
SIDE VIEW
TOP VIEW
(SPECIFICATIONS / DIMENSIONAL)
SPKR
+
SPKR
-
AMP
+
AMP
-
VDC
+
VDC
-
-
+
-
+