CROSSOVER
CX-23SW
3-WAY STEREO PLUS SUBWOOFER
OWNER’S MANUAL
Crossovers provide precise frequency dividing for multiamplified speaker applications, and are valuable tools in
many professional live sound uses. The CX-23SW offers
3-way active LOW/MID/HIGH outputs for each stereo
channel and a mono subwoofer output. It is simple to set
up and operate and is the perfect choice for basic multiamps, multi-speaker stereo installations.
• Single rack space (1U)
• Shielded internal power supply with AC voltage select
switch (~115V/60Hz or ~230V/50Hz)
• Phase inversion switches
• Low-cut subsonic filters for low frequency
driver protection
• Servo-balanced XLR inputs/outputs
• Superior performance with transparent audio
Congratulation!
You have just purchased one of the finest professional
crossovers on the market today. This unit was developed
using the expertise of professional sound engineers and
working musicians. You will find your new NADY AUDIO
crossover has superior performance and greater flexibility
than any other crossover in its price range.
Read this manual carefully to get the most out of your
new unit. Thanks for selecting NADY AUDIO for your
choice in power crossovers.
Date of Purchase
Dealer’s Name
City
State
Zip
Model #
Serial #
Features ......................................................................2
Warning ......................................................................3
Controls and Connections ..........................................4
Typical Setup ..............................................................5
Specifications ..............................................................6
CX-23SW
3-WAY STEREO+SUBWOOFER CROSSOVER
Features
CONTENTS
2
IMPORTANT SAFETY INSTRUCTIONS
WARNING-When using electric products, basic precautions should always be followed, including the following:
1. Read all the instructions before using the product.
2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a
swimming pool, etc.).
3. This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.
4. This product, in combination with headphones or speakers, may be capable of producing sound levels that
could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a
level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an
audiologist.
5. The product should be located so that its location or position does not interfere with its proper ventilation.
6. The product should be located away from heat sources such as radiators, heat vents, or other devices
(including amplifiers) that produce heat.
7. The product should be connected to a power supply only of the type described in the operating instructions or
as marked on the product. Replace the fuse only with one of the specified type and size and with the correct
rating.
8. The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other
devices so that the outlet’s or extension cord’s power rating is exceeded, and (3) be left plugged into the
outlet when left unused for a long period of time.
9. Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s
openings.
10. The product should be serviced by qualified service personnel when:
A. The power supply cord or the plug has been damaged; or
B. Objects have fallen into, or liquid has been spilled onto the product; or
C. The product has been exposed to rain; or
D. The product does not appear to operate normally or exhibits a marked change in performance; or
E. The product has been dropped, or the enclosure damaged.
11. Do not attempt to service the product beyond what is described in the user-maintenance instructions. All
other servicing should be referred to qualified service personnel.
ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR
An equilateral triangle enclosing a lightning flash/arrowhead symbol is
intended to alert the user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure which may be of sufficient
magnitude to constitute a risk of electric shock.
An equilateral triangle enclosing an exclamation point is intended to alert
the user to the presence of important operating and service instructions in
the literature enclosed with this unit.
3
Warning
1. ON/OFF SWITCH:
Caution: Always turn the Crossover ON before the amplifier, and turn it OFF after the amplifier or transients harmful
to the speakers may result .
2. L/M/H OUTPUT LEVEL CONTROLS:
These are used to adjust the output level of each way : LOW, MID and HIGH .
3. LOW CUT SWITCHES FOR LOW WAY:
These insert low cut filters in the LOW way of each stereo channel with a 12dB/Octave, 30 Hz HPF to minimize
problems from subsonic frequencies in the signal, to suppress hum, and to prevent low frequency speaker resonance.
4. MH CROSSOVER FREQUENCY CONTROLS:
These select the crossover frequencies of the MID and HIGH ways. They’re a low cut for the HIGH and a high cut
for the MID. You can select the frequencies between 480 Hz to 7 kHz.
5. LH CROSSOVER FREQUENCY CONTROLS:
These select the crossover frequencies of the LOW and MID ways. They’re a low cut for the MID and a high cut for
the LOW. You can select the frequency between 70 Hz to 1 kHz.
6. PHASE SWITCHES:
These allow switching the polarity to invert the signal phase on the MID and HIGH ways. This is done after the output levels are set to correct audible phase problems.
Caution: Before pressing the PHASE switches, always lower the outputs of your power amplifiers to avoid possible
speaker damage.
7. SUB CROSSOVER FREQUENCY CONTROL:
This selects the crossover frequency of the SUB WOOFER way. You can select the frequency between 50 Hz to 250
Hz.
8. SUBWOOFER OUTPUT LEVEL CONTROL:
This is used to adjust the SUB WOOFER output level.
9. SUBWOOFER LOW CUT SWITCHES:
This inserts a low cut filter in the SUBWOOFER way with a 12dB/Octave, 30 Hz HPF to minimize problems from
subsonic frequencies in the signal, to suppress hum, and to prevent low frequency subwoofer speaker resonance.
10. AC CORD
11. L/M/H OUTPUT CONNECTORS:
Connect to your amplifiers via these balanced XLR output jacks.
12. STEREO INPUT CONECTORS:
Connect your L/R stereo input signal to these balanced XLR input jacks.
13. SUBWOOFER OUTPUT CONECTOR:
Connect to your subwoofer amplifier via this balanced XLR output jack.
14. AC VOLTAGE SELECTOR SWITCH:
Before plugging in the power cord, check to see that the unit is set for the proper voltage for your area: ~115V
(60Hz) or ~230V (50Hz).
15. FUSE COMPARTMENT :
Replace with only the same type fuse (0.5A/250V). If it blows continuously, do not use the unit until it has been serviced by qualified personnel.
Controls and Connections
10
14
15 11
12
13
8
7
5
4
3
2
6
1
4
9
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
ATTENTION: SHOCK HAZARD - DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE NE PAS QUVRIR.
NADY SYSTEMS, Inc.
Emeryville, CA, USA
Made in Taiwan
115V~/60Hz
230V~/50Hz
FUSE 0.5A/250V
R CHANNEL L CHANNELSUB
HIGH HIGHMID MIDLOW LOW
OUTPUT OUTPUTINPUT INPUT
WOOFER
Typical Set-up
5
RIGHT LEFT
HIGH AMP
VOL
115V~/60Hz
230V~/50Hz
VOL
FUSE 0.5A/250V
RIGHT LEFT
MID AMP
VOL
R CHANNEL L CHANNELSUB
HIGH HIGHMID MIDLOW LOW
OUTPUT OUTPUTINPUT INPUT
VOL
RIGHT LEFT
LOW AMP
VOL
WOOFER
VOL
SUBWOOFER
SUBWOOFER
AMP
VOL
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
ATTENTION: SHOCK HAZARD - DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE NE PAS QUVRIR.
NADY SYSTEMS, Inc.
Emeryville, CA, USA
Made in Taiwan
SOURCE LINE-IN
Crossover Type: Stereo 3 ways + Subwoofer
Crossover Frequencies
Subwoofer: 50 - 250Hz
LM: 70 – 1000Hz
MH: 480 – 7000Hz
Filter Type (Slope): 2nd order, 12dB/Octave
Inputs
Type: Balanced XLR
Impedance: 100 Kohms
Outputs
Type: Balanced XLR
Impedance: 220 Ohms
Low Cut Filters: 30Hz/ - 3dB, 12dB/Octave
Frequency Response: 25Hz - 25KHz +/-1dB
Total Harmonic Distortion (THD) + Noise : < 0.05 %
S/N Ratio: > 80 dB
Fuse: 0.5 A/ 250V, 5x20mm glass type
Dimensions: 19’’ x 1.73’’ x 5.9’’ (483 X 44 X 150mm)
Weight: 4.4 lbs. (2.2 Kg)
For improvement purposes, specifications and design subject to change without prior notice
Specifications
6
NADY SYSTEMS, INC. • 6701 SHELLMOUND STREET, EMERYVILLE, CA 94608
Tel: 510.652.2411 • Fax: 510.652.5075 • www.nadywireless.com
SERVICE FOR YOUR NADY AUDIO PRODUCT
(U.S.) Should your NADY AUDIO product require service, please contact
the Nady Service Department via telephone at (510) 652-2411 or E-mail
at service@nadywireless.com.
(International) For service, please contact the NADY AUDIO distributor in
your country through the dealer from whom you purchased this product.
DO NOT ATTEMPT TO SERVICE THIS UNIT
YOURSELF AS IT CAN BE DANGEROUS
AND ALSO WILL VOID THE WARRANTY.
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