user’s manual
.
7-BAND equalizer amplifier
7-BAND equalizer
with subwoofer crossover
and bass boost
with subwoofer crossover
and bass boost
PLE702B
PLE755S
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table of contents
table of contents
general features
1
PLE702B 2
PLE755S 3
features and controls
PLE702B 4-5
PLE755S 6-7
electrical connections
PLE702B/PLE755S 8
mounting and installation
system wiring
9
PLE702B 10
PLE755S 11-12
PLE755S
precautions and troubleshooting 13
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general features
PLE702B
7-Band Equalizer/Amplifier
with Subwoofer Crossover and Bass Boost
· 7-Band Graphic Equalizer
· Built-In 4 Channel Amplifier
· Pre-Amp Input via RCA Jacks
· Output Level Control
2
· LED Power Level Meter
· 0 - +18dB Bass Boost Control
· Subwoofer RCA Outputs
· Remote Power On/Off
· 12 dB Boost/Cut per Frequency Band
· Rotary Front-Rear Fader Control
· Independent Subwoofer Crossover
· High Impedance RCA Inputs
· Half-DIN Size Cabinet
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general features
PLE755s
7-Band Equalizer
with Subwoofer Crossover and Bass Boost
· 7-Band Graphic Equalizer
· Pre-Amp Input via RCA Jacks
· Output Level Control
· LED Power Level Meter
· 0 - +18dB Bass Boost Control
· 12 dB Boost/Cut per Frequency Band
· Rotary Front-Rear Fader Control
· Independent Subwoofer Crossover
· Front, Rear and Subwoofer RCA Outputs
· Remote Power On/Off
3
· High Impedance RCA Inputs
· Half-DIN Size Cabinet
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features and controls
power indicator LED
front
rear
RIGHT Output Level
LEFT Output Level
max
POWER
LED level display
PLE702B
fader
40
400 0
+18dB
front
rear
freq
level
PL
E702B
Vol 65Hz 150Hz 400Hz 1.4KHz 2.4KHz 6KHz 15KHz
Subwoofer
series
4
fader control
volume control
equalizer controls
subwoofer subwoofer
frequency control boost control
OUTPUT
SUB
INPUT
LINE
L
R
L
R
power connectionspower & speaker connections
sub channel
outputs
stereo inputs
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features and specifications
PLE702B
7-Band Equalizer/Amplifier
with Subwoofer Crossover and Bass Boost
LED level display these rows of LEDs display the Amplifier Output Levels. Left and right channels are
displayed independently at peak levels.
center frequencies
65 Hz · 150 Hz
400 Hz · 1.4 KHz
2.4 KHz · 6 KHz
15 KHz
power indicator LED this LED is illuminated when the unit is properly powered, grounded and the remote
power has been turned on.
fader control • in a 4 Speaker system, rotating the knob to the FRONT side increases the level
of the front speakers; rotating to the REAR side increase level of the rear speakers.
At mid position, both sets of speakers are at maximum level.
subwoofer crossover
bass boost
40 - 400 Hz
0 - +18 dB
• in a 2 Speaker system, the fader control should be rotated to the position which
provides highest levels for both sets of speakers.
amplifier power
frequency response
30 Watts (RMS) x 4
20 - 20 KHz (+/– 1 dB)
200 mV
volume control allows adjustment of sound level for particular program material or source.
5
equalizer controls this seven-band equalizer gives you control over the output levels at various
input level
frequencies.
(for 10% THD output)
subwoofer frequency control lets you adjust the subwoofer frequency and crossover point from 40-400 Hz.
subwoofer boost control lets you adjust the subwoofer boost level from a 0 to +18 dB increase.
power connections connect to power source as follows:
total harmonic distortion (THD)
< 0.5%
(at 15W output)
speaker impedance
signal-to-noise ratio (S/N)
separation
4-8 Ohms
+12V: Connect a red wire of at least 12 gauge to the car battery or other power
source.
90 dB
60 dB
GROUND: Connect a black wire of at least 12 gauge to car chassis for
ground connection
current drain
6A maximum
10-16V DC Neg. Ground
REMOTE: Connect an orange wire to remote activating (12V DC) wire of car stereo
or other head unit.
power supply voltage
dimensions (W x H x L)
subwoofer channel outputs RCA cables are used to connect the sub outputs to the subwoofer amplifier inputs.
line channel inputs RCA cables are used to connect the front input signal from head unit or other source.
speaker connections the connections are used to power a front and rear speaker systems
mm
inches
160 x 29 x 140
6.3 x 1.1 x 5.5
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features and controls
power indicator LED
front
rear
RIGHT Output Level
LEFT Output Level
max
POWER
LED level display
PLE755S
fader
40
400 0
+18dB
front
rear
freq
level
PL
E755S
Vol 65Hz 150Hz 400Hz 1.4KHz 2.4KHz 6KHz 15KHz
Subwoofer
series
6
fader control
volume control
equalizer controls
subwoofer subwoofer
frequency control boost control
OUTPUT
REAR
INPUT
LINE
SUB
FRONT
L
R
L
R
L
R
L
R
power connections
sub channel
outputs
rear channel
outputs
front channel
outputs
stereo inputs
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features and specifications
PLE755S
7-Band Equalizer
with Subwoofer Crossover and Bass Boost
LED level display these rows of LEDs display the Preamp Output Levels. Left and right channels are
displayed independently at peak levels.
center frequencies
65 Hz · 150 Hz
400 Hz · 1.4 KHz
2.4 KHz · 6 KHz
15 KHz
power indicator LED this LED is illuminated when the unit is properly powered, grounded and the remote
power has been turned on.
fader control • in a 2 Amplifier, 4 Speaker system, rotating the knob to the FRONT side increases
the level of the front speakers; rotating to the REAR side increase level of the rear
speakers. At mid position, both sets of speakers are at maximum level.
subwoofer crossover
bass boost
40 - 400 Hz
0 - +18 dB
• in a 2 Speaker system, the fader control should be rotated to the position which
provides highest levels for both sets of speakers.
frequency response
20 - 20 KHz (+/– 1 dB)
400 mV
volume control allows adjustment of sound level for particular program material or source.
input level
(for 400mV output)
7
equalizer control this seven-band equalizer gives you control over the output levels at various
frequencies.
total harmonic distortion (THD)
< 0.03%
(at 400mV output)
subwoofer frequency control lets you adjust the subwoofer frequency and crossover point from 40-400 Hz.
subwoofer boost control lets you adjust the subwoofer boost level from a 0 to +18 dB increase.
power connections connect to power source as follows:
output impedance
signal-to-noise ratio (S/N)
separation
10K Ohms
90 dB
+12V: Connect a red wire of at least 12 gauge to the car battery or other power
source.
50 dB
current drain
450 mA
GROUND: Connect a black wire of at least 12 gauge to car chassis for
ground connection
power supply voltage
12V DC Neg. Ground
REMOTE: Connect an orange wire to remote activating (12V DC) wire of car stereo
or other head unit.
dimensions (W x H x L)
mm
inches
160 x 29 x 117
6.3 x 1.1 x 4.6
subwoofer channel outputs RCA cables are used to connect the sub outputs to the subwoofer amplifier inputs.
front channel inputs RCA cables are used to connect the front input signal from head unit or other source.
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electrical connections
P L E 7 0 2 B • P L E 7 5 5 S
rear
OUTPUT
SUB
INPUT
LINE
PLE702B
8
RED WIRE
ORANGE WIRE
Fuse 6A
BLACK WIRE
to remote turn-on
+12V
head unit
Fuse 0.5A
12V battery
rear
OUTPUT
REAR
INPUT
LINE
SUB
FRONT
PLE755S
RED WIRE
Fuse 1A
ORANGE WIRE
BLACK WIRE
to remote turn-on
+12V
head unit
Fuse 0.5A
12V battery
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mounting and installation
P L E 7 0 2 B • P L E 7 5 5 S
mounting
Please take the time to install your new Pyle Signal Processor securely, according to
4 x 6 mm machine screw (4)
this diagram, using the hardware provided.
This Half-DIN size unit can also be installed in the dash adjacent to the head unit, provided
that there is a slot available.
dashboard
wiring tips
When making electrical connections to your amplifier, please observe the
following:
Connect 12V DC from a constant battery source to a +12V slip-on spade terminal and install
a one (1) amp fuse in line. (six (6) amp fuse for PLE702b case)
9
Connect the signal processor’s GROUND to a good chassis ground, near where the unit is
mounted, or to the case of the head unit.
Signal Processor enclosure
Connect the signal processor’s REMOTE TURN-ON lead to the remote turn-on lead out of the
head unit, and install a 1/2 amp fuse in line. (A relay should be used if turning on more than
one component, such as EQ’s, crossovers or amplifiers.)
Connect stereo RCA cables from the head’s left and right front outputs to the left and right inputs
of the signal processor.
Mounting Bracket
Connect stereo RCA cables from the left and right outputs, (and low, mid and high outputs if
applicable), of the signal processor to the left and right inputs of your amplifier(s) or additional
signal processor(s).
4 x 12 mm
self-tapping screw (2)
4 mm spring
washer (2)
Turn the unit on, and adjust the input gain on the signal processor to match the output of the
head unit (1/2, or at center position, is about 1 V). Be careful not to overdrive the input of your
amplifier(s) or signal processor(s).
4 mm plain
washer (2)
Adjust each of the crossover or equalizer controls to achieve the desired sound characteristics.
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system wiring
P L E 7 0 2 B
left and right
line outputs
from head unit
Basic system application
using built-in amp and external subwoofer amp
left and right
line inputs
head unit (stereo, CD player, tape deck, etc.)
OUTPUT
SUB
INPUT
LINE
PLE702B
L
R
L
R
10
SUB CHANNEL
power amplifier
–
–
+
+
FRONT
speakers
L
R
–
–
+
+
REAR
speakers
L
R
+
–
+
–
SUBWOOFERS
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system wiring
P L E 7 5 5 S
left and right
line outputs
from head unit
Basic system application
using front, rear, and subwoofer amps
left and right
line inputs
head unit (stereo, CD player, tape deck, etc.)
OUTPUT
REAR
INPUT
LINE
PLE755s
SUB
FRONT
L
R
L
R
L
R
L
R
11
SUB CHANNEL
power amplifier
REAR CHANNEL
power amplifier
FRONT CHANNEL
power amplifier
–
–
–
–
+
+
+
+
+
–
+
–
L
SUB CHANNEL
speakers
R
L
REAR CHANNEL
R
L
FRONT CHANNEL
speakers
R
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speakers
system wiring
P L E 7 5 5 S
left and right
line outputs
from head unit
Basic system application
using a 4 channel amp and subwoofer amp
left and right
line inputs
head unit (stereo, CD player, tape deck, etc.)
OUTPUT
REAR
INPUT
LINE
PLE755s
SUB
FRONT
L
R
L
R
L
R
L
R
12
SUB CHANNEL
power amplifier
FRONT CHANNEL
power amplifier
+
–
+
–
+
–
+
–
+
–
+
–
L/R FRONT
speakers
L/R REAR
speakers
L
SUB CHANNEL
speakers
R
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precautions troubleshooting
P L E 7 0 2 B • P L E 7 5 5 S
If you experience...
Signal Processor does not turn on. Check that:
• Never drive with the volume raised so high you
cannot hear what is occuring in traffic around you.
• Remote Turn-On wire has 12V.
• Be aware that repeated exposure to excessive
volume levels can permanently damage your hearing!
• 12V wire has 12V.
• Ground wire is properly connected.
• Keep all electronics away from moisture, dust,
extreme heat or extreme vibrations.
Level of sound is low. Check that:
• Wiring is not loose or cables misconnected/disconnected.
• RCA cables are not faulty.
• Pyle Audio products are capable of sound pressure
levels in excess of 150 dB. Continuous exposure
to sound pressure levels over 100 dB may cause
permanent loss of hearing. Use common sense and
PRACTICE SAFE SOUND.
13
Background noise is too high. Check that:
• Wiring is not loose or cables misconnected/disconnected.
• RCA cables are not faulty.
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