Pyramid CR-82 User manual

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HIGH PERFORMANCE CAR AUDIO
MODEL:CR-82
8 CHANNEL
ELECTRONIC CROSSOVER
NETWORK SYSTEM
www.pyramidcaraudio.com

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INTRODUCTION
This CR-82 is an Electronic Crossover Network with which you can install
various types of multi-channel amplifier systems in a car.
This CR-82 is 8-channel crossover system
(Subwoofer, Mid-range, High-pass and Flat).
Before designing and installing your system.
Please read this manual carefully so that you can set up the system that
practically suits you.
Getting the CR-82 in the center of your multi-amplifier car stereo system.
Your car stereo system will provide you with the ultimate sound reproduction.
FEATURES & SPECIFICATIONS
✻2-Way stereo input ... Subwoofer/Front
4-Way stereo output ... Subwoofer/Mid-range/High Pass/Flat
✻DC to DC converter power supply.
✻Individual output level controls for each stereo channel.
✻Variable subwoofer boost 0- 10dB at 40Hz.
✻Subwoofer channel 45/80/150/200Hz.
✻Subwoofer phase shift 0-180 degree.
✻Subwoofer STEREO/MONO switch.
✻Subwoofer input ON/OFF switch.
✻Selectable band pass channel 100/150/200/Flat to 2.5k/3.5k/5k/7k
✻Signal to Noise ratio :>90dB.
✻Distortion : less than 0.02%
✻Power supply :12-16V DC, Neg. Gnd.

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1CROSSOVER POINT SELECTOR (SUBWOOFER)
Controls the subwoofer output frequency at 45,80,150,200Hz
2SUBWOOFER INPUT SWITCH
When your car radio has subwoofer output to connect the unit's subwoofer
input;Push the switch to the "OFF" Position.
If your car radio only has line output to connect the unit 's line input; Push
the switch to the "ON" Position
FUNCTIONS

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3PHASE SHIFTER SELECTOR (SUBWOOFER)
Allows you to change the phase of your subwoofer from 0 to 180 degrees
to help compensate for timing differences between drivers.
4BASS BOOST CONTROL (40Hz)
Frequencies around 40Hz can be boosted at the maximum of +10dB.
5STEREO/MONO SELECTOR (SUBWOOFER)
Set the selector to MONO to make subwoofer output monaural.
6FLAT CHANNEL GAIN CONTROL
By turning this control clockwise you increase flat channel level.
7 SUBWOOFER GAIN CONTROL
By turning this control clockwise you increase subwoofer channel level.
8MIDDLE RANGE CROSSOVER POINT SELECTOR
The high Pass frequency(100,150,200Hz,Flat) should match the low cross-
over point, the low frequency(2.5k,3.5k,5k,Flat)should match the high
crossover point.
9MIDDLE RANGE GAIN CONTROL
By turning this control clockwise you increase middle range channel level.
0PHASE SHIFTER SELECTOR(HIGH PASS)
Allows you to change the phase of your high pass from 0 to 180 degrees
to help compensate for timing differences between drivers.
q HIGH PASS CROSSOVER POINT SELECTOR
Control the high pass output at 2.5k,3.5k,5k,7k.
wHIGH PASS GAIN CONTROL
By turning this control clockwise you increase high pass channel
e POWER ON INDICATOR
The LED light up when the units is powered on.

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FUNCTIONS
rSUBWOOFER INPUT CONNECTORS
tFRONT INPUT CONNECTORS
yFLAT OUTPUT CONNECTORS
uSUBWOOFER OUTPUT CONNECTORS
iMIDDLE RANGE OUTPUT CONNECTORS
oHIGH PASS OUTPUT CONNECTORS
ELECTRONIC CONNECTIONS & WIRING
✻ Power connection
• B+(l2V):Connect a red wire(at least l0-12 gauge)to the car battery or
other power source.
• REMOTE :Connect an orange wire to remote activating(l2V DC)wire of car
stereo or equalizer.
• GND :Connect a black wire(at least l0-12 gauge)to the car chassis for
ground connection.

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ELECTRONIC CONNECTIONS & WIRING
✻Signal connection

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TROUBLE SHOOTING SECTION
1. SIGNAL PROCESSOR DOES NOT TURN ON:
✻Check all fuses.
✻Check all power(positive ,remote) wire connections.
✻Check that ground wire is properly connected.
2. LED POWER ON INDICATOR NOT GOING ON:
✻Same as sign l remedy.
3. SOUND DISTORTION AT LOW VOLUME LEVEL:
✻Output level not set correctly.
4. LEVEL OF SOUND IS LOW:
✻Check input gain control ,match to deck output.
✻Check the RCA patch cords for loose or misconnected cables.
5. A WHINING SOUND CAN BE HEARD THROUGH THE SPEAKERS
AT LOW VOLUME LEVEL WITH RUNNING ENGINE:
✻Check the power wire(red)with good connection directly to the battery
and ground point must make good contact with chassis ground.
INSTALLATION

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MEMO