Cadence CXR-7 Manuel utilisateur
3 WAY ELECTRONIC CROSSOVER // OWNERS MANUAL
CXR-7
CONTENTS
• Specications 3
• Features 4
• Controls, Indicators, and Terminal 5 - 8
• Installation 9 - 10
• Final System Check 11
• Troubleshooting Guide 12
2
SPECIFICATIONS
3
Power Source:
Input Current:
Distortion:
Frequency Response:
S/N Ratio:
Separation:
Crossover Frequencies (Continuously Variable)
Front High-Pass, X1:
X2:
Rear High-Pass:
Subwoofer:
Crossover Slope Rate
Low-Pass:
High-Pass:
Subwoofer Boost:
Input Impedance:
Output Impedance:
Output Gain:
Output Voltage Level:
Dimensions:
14.4 Volts DC negative Ground
0.5 Amp Max
0.01% THD @ 1 Volt Output Level
10Hz - 30Hz (-3dB)
95dB
60dB
25 - 400Hz
500 - 8000Hz
25 - 400Hz
25 - 400Hz
18dB per Octave 3rd Order Butter Worth
12dB per Octave 3rd Order Butter Worth
Single Octave 0dB to 12dB (Variable) at 45Hz
20K Ohms
100 Ohms
1:2 (+6dB)
7 Volts Max
5.5"(W) x 7.5"(L) x 1.75"(H)
FEATURES
4
• EXCLUSIVE INFINITE CROSSOVER DESIGN
• ASYMMETRICAL ELECTRONIC CROSSOVER
DESIGN
• BASS BOOST CIRCUITRY WITH QUASI-PARAME-
TRIC EQUALIZATION
• DC/DC REGULATED SWITCHING POWER SUPPLY
• FREQUENCY MULTIPLIER
• PARALLEL INPUT SWITCH
• FRONT/REAR INPUTS WITH FRONT/REAR/
SUBWOOFER OUTPUTS
• ADJUSTABLE OUTPUT LEVEL
• STEREO/MONO SUBWOOFER
• GOLD PLATED RCA CONNECTORS
FEATURES AND SPECIFICATIONS SUBJECT TO CHANGE AND OR IMPROVEMENT WITHOUT NOTICE
A sealed enclosure causes a woofer’s frequency response to roll off
at a rate of 12dB per octave below the enclosure’s resonant fre-
quency. The bass boost circuitry’s quasi-parametric equalization
provides a single octave boost of 12dB at 45Hz to ensure smooth
and accurate bass response.
For a source unit having a single pair of signal outputs an adapter
is needed to split the source signal for the front and rear inputs.
With the mobile electronic crossover, by engaging the parallel input
feature, an external adapter is no longer necessary.
This power supply design provides constant voltage to the cross-
over regardless of the battery’s voltage to ensure consistent out-
put performance at all times. This design also eliminates switching
noise sue to voltage fluctuation.
The mobile electronic crossover features front and rear preamp in-
puts with front and rear outputs as well as constant subwoofer
output that is independent of the front/rear fader control on the
source unit.
The front high-pass section is equipped with frequency multiplier
switch that can be used to multiply the crossover frequency points.
With the additional selectable crossover points system setting be-
comes an art of precision.
CONTROLS, INDICATORS, and TERMINALS
5
CXR -7
1. POWER INPUT TERMINAL (RED)
3. REMOTE TURN ON INPUT TERMINAL (ORANGE)
5. LEFT/RIGHT FRONT CHANNEL SIGNAL INPUTS
6. PARALLEL INPUT SWITCH
4. POWER INDICATOR
2. GROUND INPUT TERMINAL (BLACK)
8. LEFT/RIGHT MIXED IN/OUT TERMINALS
7. LEFT/RIGHT REAR CHANNEL SIGNAL INPUTS
9. FRONT CHANNEL HIGH-PASS FREQUENCY
SELECTOR
10. REAR CHANNEL HIGH-PASS FREQUENCY
SELECTOR
This wire should be connected to the positive terminal of your ve-
hicle battery or other constant +12V source.
“OUT”: If the source unit has independent front and rear channel
outputs disengage the parallel input by sliding the switch to the
“out” position.
This wire should be connected the vehicle’s chassis. Ensure that
you have a good connection. When connecting the wire make sure
that there is no paint or other insulator blocking the connection.
AS INPUT TERMINAL: Connect to the subwoofer output of the
source unit.
AS OUTPUT TERMINAL: If running a multi cross-over system, con-
nect to the front channel input terminal of the next electronic cross-
over.
Connect to the rear channel output of the source unit. MAKE SURE
THAT THE PARALLEL INPUT SWITCH IS AT THE “OUT” POSITION!
Used to select the front channel high-pass crossover frequency
between 25Hz and 400Hz (or 500Hz and 8K Hz when its frequency
multiplier is in the “x20” position.
For selection of rear channel high-pass crossover frequency be-
tween 25Hz and 400Hz.
This wire should be connected to the remote turn on wire or anten-
na lead of the source unit. Should your system not have any turn on
leads, you can wire the remote terminal to an accessory lead which
turns on with your car’s ignition.
To be connected to the front channel output of the source unit.
“IN”: When the parallel input is in this position, the input signals
coming through the front channel signal inputs are split and di-
rected to the front rear channels simultaneously (this feature is to
be used when the source unit has no separate front, rear, or sub-
woofer outputs).
This LED lights up when the internal switching power supply is ac-
tivated and the unit is operational.
6
CONTROLS, INDICATORS, and TERMINALS
7
11. FRONT CHANNEL HIGH-PASS FREQUENCY
MULTIPLIER
17. LEFT/RIGHT FRONT CHANNEL OUTPUT
TERMINALS
18. REAR CHANNEL OUTPUT LEVEL CONTROL
19. LEFT/RIGHT REAR CHANNEL OUTPUT TERMINALS
20. SUBWOOFER OUTPUT LEVEL CONTROL
21. LEFT/RIGHT SUBWOOFER OUTPUT TERMINALS
22. SUBWOOFER OUTPUT LEVEL REMOTE CONTROL
TERMINAL
12. SUBWOOFER FREQUENCY SELECTOR
13. BASS SHAPER BOOST SWITCH
14. PHASE INVERTER
15. SUBWOOFER STEREO/MONO SWITCH
16. FRONT CHANNEL OUTPUT LEVEL CONTROL
Positioning this switch at the “x20” position changes the range
of selectable crossover frequency for the front channel high-pass
from 25Hz - 400Hz to 500Hz - 8K Hz.
Connect to the front channel amplifier left/right inputs.
Used to adjust the rear channel output signal level.
Connect to the rear channel amplifier left/right inputs.
Used to adjust the subwoofer channel output signal level.
Connect to the subwoofer channel amplifier left/right inputs
Allows you to set the low-pass crossover frequency for the sub-
woofer channel between 25Hz and 400Hz.
When activated this circuit provides a single octave boost of 12dB
at 45Hz to equalize the woofer enclosure.
Placing the switch at the “180” position shifts the subwoofer out-
put’s signal 180° out of phase relative to the front and rear output
signals.
For selection of stereo or mono mode subwoofer output.
For adjusting the front channel output signal level.
AMPLIFIER WIRING DIAGRAMS
8
19. LEFT/RIGHT REAR CHANNEL OUTPUT TERMINALS
20. SUBWOOFER OUTPUT LEVEL CONTROL
21. LEFT/RIGHT SUBWOOFER OUTPUT TERMINALS
22. SUBWOOFER OUTPUT LEVEL REMOTE CONTROL
TERMINAL
Four-Channel “bi-amp” system (stereo front/rear) Two-Channel “tri-amp” system
CXR-7
CXR-7
INSTALLATION
9
CROSSOVER TERMINAL CONNECTED TO TERMINAL
Left/right front inputs Source unit Front pre-amp outputs
Left/right rear inputs Source unit Rear pre-amp outputs
Left/right mixed in/out (as input) Source unit Subwoofer pre-amp outputs
Left/right mixed in/out (as output) Another compatible electronic crossover Front inputs
Left/right front outputs Front amplifier Left/right inputs
Left/right rear outputs Rear amplifier Left/right inputs
Left/right subwoofer outputs Subwoofer amplifier Left/right inputs
Power input terminal (b+) Battery Positive terminal
Ground input terminal (gnd) Vehicle chassis Bare metal spot
Remote turn-on input terminal Source unit Remove control wire or power antenna lead
Table des matières
