page 8
UNiKA
PA-664/PA-1804
PA-1804 Rear Panel
Negative (-) Lead
Positive (+) Lead
Negative (-) Lead
Positive (+) Lead
Negative (-) Lead
Positive (+) Lead
STEREO MODE FULL RANGE CONNECTION
SPEAKER IMPEDANCE MINIMUM 4 OHM
Set to Bridge
MONO BRIDGE MODE CONNECTION
SPEAKER IMPEDANCE MINIMUM 8 OHM
(Can be Set as A Subwoofer Channel)
Figure
11
CH4 & CH3
CH2 & CH1
CH 4
CH 3
INPUT
PARALLEL
INPUT
PARALLEL
BRIDGE
BRIDGE
CH 1
CH 2
CH-3
_
+
CH-4
_
+
+
+
_
_
BRIDGE
MONO
BRIDGE
MONO
CH-1
_
+
CH-2
_
+
AC IN
BREAKER
RESET
4 CHANNEL INPUT BALANCE
CAUTION
2 OHMS MINIMUM IMPEDANCE PER CHANNEL
4 OHMS MINIMUM IMPEDANCE IN MONO BRIDGE MODE
GROUND
LIFT
200Hz
20Hz
~120VAC 60Hz
1500 WATTS
FREQUENCY
SUB WOOFER
ON / OFF
CH3 & CH2
PARALLEL
CH 4
CH 3
CH 2
CH 1
15
A
M
P
STEREO MODE FULL RANGE CONNECTION
PARALLEL MODE FULL RANGE CONNECTION
SPEAKER IMPEDANCE MINIMUM 4 OHM
PA-1804 Rear Panel
Negative (-) Lead
Positive (+) Lead
Negative (-) Lead
Positive (+) Lead
SPEAKER IMPEDANCE MINIMUM 4 OHM
Set to Parallel
Negative (-) Lead
Positive (+) Lead
Negative (-) Lead
Positive (+) Lead
Figure
12
CH4 & CH3
CH2 & CH1
CH 4
CH 3
INPUT
PARALLEL
INPUT
PARALLEL
BRIDGE
BRIDGE
CH 1
CH 2
CH-3
_
+
CH-4
_
+
+
+
_
_
BRIDGE
MONO
BRIDGE
MONO
CH-1
_
+
CH-2
_
+
AC IN
BREAKER
RESET
4 CHANNEL INPUT BALANCE
CAUTION
2 OHMS MINIMUM IMPEDANCE PER CHANNEL
4 OHMS MINIMUM IMPEDANCE IN MONO BRIDGE MODE
GROUND
LIFT
200Hz
20Hz
~120VAC 60Hz
1500 WATTS
FREQUENCY
SUB WOOFER
ON / OFF
CH3 & CH2
PARALLEL
CH 4
CH 3
CH 2
CH 1
15
A
M
P
Important Precautions Introduction
Front Panel Rear Panel Set Up
Protection Specifications
Operating Modes