Operation Manual
3
BOLTAR / COLOSSUS PRO 2-CHANNEL AMPLIFIER APPLICATIONS
BATT+12V
BATT+12V
GROUND
GROUND
SPEAKER OUTPUT
SPEAKER OUTPUT
RIGHT LEFT
RIGHT LEFT
REM + - + -
REM + - + -
BRIDGED
BRIDGED
This is the most basic application for the BOLTAR & COLOSSUS PRO N/A for full range operation.
4. Line Level:
2 channel amplifiers.
Refer to the section “Setting up systems after installation for best performance”
1. Interconnect cable checklist:
Connect the LINE INPUTS to the Radio/CD with good quality RCA cables.
NOTE: Minimum final loudspeaker impedances:
2. Crossover Switch:
BOLTAR: 4/2 Ohm stereo mode or 4 Ohms mono mode
The X-OVER switch must be in the FULL position.
3. Crossover frequency control checklist:
COLOSSUS PRO: 4/2/1 Ohm stereo mode or 4/2 Ohms mono mode
FULL RANGE STEREO
MONO
This application illustrates the basic mono bridging method for all Hifonics
Switch setting checklist:
amplifiers.
- The AMPLIFIER X-OVER switch should be in the LP/BP position.
MONO LP DIRECT
Interconnect cable checklist:
-
A MONO signal source is suggested, such as would be available from the mono
- PARAMETRIC BASS EQ switch to X1
sub bass output of an active crossover, whether stand alone, or built into a head
- FREQUENCY switch to X1
unit or equalizer. Important: Do not be tempted to connect the hot, or positive
outputs, from any source together to obtain a mono signal, as this could very
Crossover frequency control setting checklist:
well damage the output stage of that source.
LPF: 11 o’clock
It is not necessary, but recommended, to feed the SAME signal to both left and
right inputs via a Y-adapter RCA cable. Connect the mono speaker positive
Minimum final loudspeaker impedance:
terminal to the
BOLTAR: 4 Ohms mono.
RIGHT +, and its negative terminal to LEFT -.
COLOSSUS PRO: 2 Ohms mono.
FULL RANGE
STEREO LINE INPUT
FULL RANGE
STEREO LINE INPUT
REMOTE TURN-ON
REMOTE TURN-ON
DUAL CHASSIS GROUND
DUAL CHASSIS GROUND
DUAL BATTERY +12v
VIA FUSE
DUAL BATTERY +12v
VIA FUSE
FULL RANGE
SPEAKERS
MONO SPEAKER
or SUBWOOFER
LL
RR
HFR-G1
REMOTE
SUBSONIC FREQUENCY BANDWIDTH CUT/BOOST
FREQUENCY RIGHT LEFT INPUT LEVEL
PARAMETRIC EQ
PHASE
DIAGNOSTIC
RED-SHORT CIRCUIT
AMBER-THERMAL
RED-CLIP
AMBER-NEAR CLIP
GREEN-PRE CLIP
HP LP/BP
FULL RANGE
X1 X10
FULL RANGE
OUTPUT
LINE
INPUT
15Hz 150Hz 40Hz 400Hz Narrow Wide -10dB +10dB
40Hz 400Hz 0 180 0 180 9V 0.2V
X1 X10
LP/BP
STEREO 12dB/OCT
MONO 24dB/OCT
LP DIRECT
LL
RR
HFR-G1
REMOTE
SUBSONIC FREQUENCY BANDWIDTH CUT/BOOST
FREQUENCY RIGHT LEFT INPUT LEVEL
PARAMETRIC EQ
PHASE
DIAGNOSTIC
RED-SHORT CIRCUIT
AMBER-THERMAL
RED-CLIP
AMBER-NEAR CLIP
GREEN-PRE CLIP
HP LP/BP
FULL RANGE
X1 X10
FULL RANGE
OUTPUT
LINE
INPUT
15Hz 150Hz 40Hz 400Hz Narrow Wide -10dB +10dB
40Hz 400Hz 0 180 0 180 9V 0.2V
X1 X10
LP/BP
STEREO 12dB/OCT
MONO 24dB/OCT
LP DIRECT
COLOSSUS PRO is pictured above. BOLTAR has a different connection layout
COLOSSUS PRO is pictured above. BOLTAR has a different connection layout