
13
3
44
55
7
88
911
10
R300-4
62
6
1.
Powe
r
LED
– This Blue LED illuminates when the unit is turned on.
2.
P
r
otect LED
– This Red LED illuminates if a short circuit or too low of an impedance is detected at the
speaker connections.The amplifier will automatically shut down if this occurs.
3.
Pu
n
ch Bass
– This Punch level control is adjustable between 0dB, +6dB and +12dB @ 45Hz.
4.
Va
r
iable C
r
ossove
r
(Low Pass O
n
ly)
– Is a built-in 12dB/octave Butterworth filter with a
crossover point variable from 50Hz to 250Hz.
5.
C
r
ossove
r
Switch
– Selectable switch for 80Hz High-Pass (HP),All Pass (AP), or Low-Pass (LP)
operation.
6.
Gai
n
Co
n
t
r
ol
– The input gain control is preset to match the output of most source units. It can be
adjusted to match output levels from a variety of source units.
7.
RCA I
np
ut Jacks
– The industry standard RCA jacks provide an easy connection for signal level input.
They are nickel-plated to resist the signal degradation caused by corrosion.
8.
Powe
r
Te
r
mi
n
als
– The power and ground are nickel-plated clamp wire connectors and will
accommodate fork or ring style connectors.
9.
REM Te
r
mi
n
al
– The nickel-plated clamp wire connector and will accommodate fork or ring style
connectors.This terminal is used to remotely turn-on and turn-off the amplifier when +12V DC is applied.
10.
Fuses
– These ATC fuses are easily accessible in case of failure.Always replace fuses with same type and
rating. See Specifications for fuse ratings.
11.
S
p
eake
r
Te
r
mi
n
als
– The heavy duty, nickel-plated clamp wire connectors (
+
and
-
) will accommodate
fork or ring style connectors.
4
D
ESIGN
F
EATURES
I
NSTALLATION
INSTALLATION CONSIDERATIONS
The following is a list of tools needed for installation:
Fuse-holder and fuse.
(See specifications for fuse rating)
Volt/Ohm Meter
Wire strippers
Wire crimpers
Wire cutters
#2 Phillips screwdriver
Battery post wrench
Hand held drill w/assorted bits
Assorted connectors
Adequate Length—Red Power Wire
Adequate Length—Remote Turn-on Wire
Adequate Length—Black Grounding Wire