Inter-M DPA-300QO - Manual (Page 7)

DIGITAL POWER AMPLIFIER
5 DPA-300T/300Q, DPA-300TO/300QO
Rear Panel Rear Panel
1. AC MAINS (AC INLET)
It accepts a standard IEC mains cable, provided
2. DC INPUT TERMINAL
Emergency DC back up power (24VDC) terminal. When AC power is cut off, The unit will operate with DC
power from spare battery pack.
(DPA-TO/QO models are not included with Emergency Power Back Up (24VDC))
3. AC POWER REMOTE
This terminal allows the amplifier to be turned on or off from a distance or other device.
4. COOLING VENTS
Air flow is front to back. DO NOT block front or rear air vents.
5. PRIORITY INPUT AND CONTACT CLOSURE
Each amplifier module has 2 audio inputs. The Primary program input, PGM and Priority input, PRI. The
primary regular broadcast program input, PGM is interrupted and over ridden by the Priority input, PRI,
when a contact closure is received on the PRI select terminal. This is Ideal for Emergency message
broadcasting applications.
6. PRI VOLUME CONTROL
It controls the mute level of all other input signal when the PRI IN signal is present.
7. OUTPUT TERMINAL (CH1, CH2, CH3, CH4)
Speaker Output Terminal with Euro Block.
※ CH4 : Only DPA-300Q/300QO.
+ - G + - G
+ - G + - G
CH 4 CH 3
CH 2 CH 1
CH 4 CH 3
CH 2 CH 1 OUTPUT
VOLTAGE
PGM INPUT
70V 100V
OUTPUT
+ - G 1 2 3 4 COM
PRIORITY
SW INPUT PRIORITY
VOLUME
MIN MAX
+ -
AC INPUT
DC INPUT 21V-27V
MAX 60A
AC POWER REMOTE
1 2 3 4 5 6
7 8 9