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PYX-3X Electronic Crossover Network
Owner’s Manual
Your new Pyle Pro PYX-3X Electronic Crossover
Network is designed to enable the home stereo
audiophile to install a biamp, triamp or multi-amp
system with extreme ease, while still allowing for
the sophisticated settings a high end installation
demands.
The PYX-3X permits frequency filtering in four
different bands: LOW, MID/HIGH PASS, MID/LOWPASS
and HIGH. It also offers the user the opportunity to
adjust output levels for LOW, MID and HIGH
independently.
Input and output connections may be made via a
choice of 1/4” or RCA type jack, permitting a
connection with almost any input or output device.
Please read this manual thoroughly before you attempt
to set up and use this crossover. It contains a range
of installation suggestions as well as instructions to
ensure safe usage. Installed properly, you can expect
years of trouble-free service from this product.
REAR PANEL
FEATURES AND CONTROLS
FRONT PANEL
POWER
Power
On/Off
Crossover Freqency Selectors
Selects the crossover point for each of the
frequency ranges:
LOW PASS selects the crossover point between the bass and
midrange
MID/HIGHPASS selects the low end of frequency range for the MIDS
MID/LOWPASS selects the high end of frequency range for the MIDS
HIGHPASS selects the low end of frequency range for the HIGHS
LOW PASS
LOW PASS HIGH pass LOW PASS HIGH PASS
18050 90
360
720
LOWLOWLOW MIDMIDMID MIDMIDMID HIGHHIGHHIGH
18050 90
360
720
720
FLAT
4K1K 2K
6K
8K
FLAT
ELECTRONIC CROSSOVER NETWORK
4K1K 2K
6K
8K
LOW
LEVEL
MIN MAX
MID
LEVEL
MIN MAX
PYX-3X
HIGH
LEVEL
MIN MAX
Volume Controls
Adjusts the output levels for the LOWS, MIDS and HIGHS
INPUT
L
R
OUTPUT
HIGH MID LOW
INPUT
L
L
R
R
OUTPUT
HIGH MID LOW
FUSE
L
R
Ground Screw
Fuse Holder
Left and Right Output Connectors
The PYX-3X offers a choice of 1/4” or RCA type
Left and Right Output jacks (for LOWS, MIDS
and HIGHS) for connecting to the inputs of your
Left and Right Input Connectors
power amplifier(s).
The PYX-3X offers a choice of 1/4” or RCA type
input jacks for connecting to the PREAMP OUTS
of your audio source.
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INSTALLATION GUIDELINES
LOW PASS
720
360
18050 90
720
360
18050 90
8K
6K
4K1K 2K
720
FLAT
8K
6K
4KiK 2K
LOW PASS HIGH pass LOW PASS HIGH PASS
LOWLOWLOW MIDMIDMID MIDMIDMID HIGHHIGHHIGH
LOW PASS
720
360
18050 90
720
360
18050 90
8K
6K
4K1K 2K
720
FLAT
8K
6K
4KiK 2K
LOW PASS HIGH pass LOW PASS HIGH PASS
LOWLOWLOW MIDMIDMID MIDMIDMID HIGHHIGHHIGH
Input connections
The PYX-3X accepts a broad range of input sources,
including:
Compact Disc (CD) player
Cassette, Reel-to-Reel or other tape player
Radio Tuner
These can be connected via either 1/4” or RCA type jacks
to the input jacks on the rear panel of the PYX-3X.
CD PLAYER, TAPE PLAYER
RADIO TUNER
INPUT
L
R
OUTPUT
HIGH MID LOW
INPUT
L
L
R
R
L
R
OUTPUT
HIGH MID LOW
FUSE
Input connections
using RCA jacks
Setting the frequency controls
Biamp Systems
In a biamp system, the frequency ranges are usually LOWS
(with a range of about 40Hz to 120Hz), and MIDS/HIGHS
(with a range from 120Hz to about 20KHz).
Settings for such a system would be something like this:
FLAT
Upper end, MIDS/HIGHS
range: Flat (range not affected)
Lower end, MIDS/HIGHS range: 120Hz
Upper end, LOWS range: 120Hz
Output connections for a biamp system
A typical biamp system employs a 4 channel amplifier, with
one pair of channels used to handle MIDS/HIGHS, with the
second pair of channels handling the LOW frequencies. A
similar system can be built using separate amplifiers to
handle the two frequency ranges.
This kind of setup would be accomplished as follows:
Triamp Systems
In a triamp system, the frequency ranges are usually LOWS
(with a range of about 40Hz to 120Hz), MIDS (with a range
from 120Hz to about 5-8KHz) and HIGHS (with a range from
5Hz to about 20KHz).
The PYX-3X uses the two MIDS frequency controls together
to form a bandpass section for the MIDS range, with one
control setting the lower and one setting the upper crossover
points.
Settings for such a system would be something like this:
FLAT
Lower end, HIGHS
range: 5KHz
Upper end, MIDS range:
5KHz
Lower end, MIDS/HIGHS range: 120Hz
Upper end, LOWS range: 120Hz
Output connections for Triamp Systems
A typical triamp home system might consist of a 4-Channel
amp for reproduction of MIDS and HIGHS, and a separate
2-Channel amp for reproduction of LOWS (a similar result
can be obtained using separate 2-channel amps for each of
the LOW, MID and HIGH ranges).
NOTE: These diagrams
show hookups using the
RCA type jacks, but you
can use the 1/4” jacks
instead with similar
OUTPUT
INPUT
HIGH MID LOW
L
R
INPUT
OUTPUT
HIGH MID LOW
L
L
R
R
L
R
AMPCH1+2INPUTS
(HIGHS CHANNEL)
FUSE
AMPCH3+4INPUTS
(MIDS CHANNEL)
results.
4CH
AMPLIFIER
CD PLAYER, TAPE PLAYER
RADIO TUNER
INPUT
L
R
OUTPUT
HIGH MID LOW
INPUT
L
L
R
R
L
R
OUTPUT
HIGH MID LOW
FUSE
Note: Only LOWS and MIDS output
jacks are used for connections in a
biamp installation!
OUTPUT
INPUT
HIGH MID LOW
L
R
INPUT
OUTPUT
HIGH MID LOW
L
L
R
R
L
R
NOTE: These diagrams
show hookups using the
RCA type jacks, but you
can use the 1/4” jacks
instead with similar
FUSE
results.
HIGH OUTPUTS
MID OUTPUTS
SUBWOOFER
AMP INPUTS
Input connections
using 1/4” jacks
AMPCH1+2INPUTS
(MIDS/HIGHS CHANNEL)
AMPCH3+4INPUTS
(LOWS CHANNEL)
(LOWS CHANNEL)
2CH
AMPLIFIER
4CH
AMPLIFIER
LOW OUTPUTS
MID/HIGH OUTPUTS LOW OUTPUTS
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Connecting to standard AC power
After making all other connections, set the POWER switch
to OFF position. Then connect the power cord to a standard
AC outlet.
Mounting the PYX-3X
The PYX-3X is designed to accept standard rack mounting
installations. Two slots on each end of the front panel make
it suitable for such an installation.
Tightly secure four mounting screws (not supplied) through
these fours slots and into your standard electronics equipment
rack.
PYX-3X Specifications
Input Impedance
Crossover Frequencies
Low
Mid (High Pass)
50, 90, 180. 360, 720 Hz and Flat
Mid (Low Pass)
High
Filter Slope
Total Harmonic Distortion
Frequency Response
>47 K-Ohms
50, 90, 180. 360 and 720 Hz
1K, 2K, 4K, 6K, 8KHz and Flat
1K, 2K, 4K, 6K and 8KHz
-12dB/Octave
<0.01%
20 Hz - 20KHz (+/- 0.5 dB)
Place
Stamp
Here
Turning the PYX-3X on
1. Turn on the audio input source equipment which is
connected to the PYX-3X INPUT jacks.
2. Set the LOW, MID and HIGH volume level controls to their
minimum level settings.
3. Adjust the crossover frequency points to suit your audio
system installation.
4. Push in the power switch to turn the amplifier on.
5. Adjust the LOW, MID and HIGH volume level controls to
the desired volumes.
Caring for your PYX-3X Electronic Crossover Network
This component uses a 250V 0.5A fuse for protection from
power surges and short circuits. If the unit suddenly shuts
down and will not turn on, it is likely that this fuse has
blown.
To replace the fuse:
1. Locate the fuse holder on the rear of the cabinet and
unscrew the fuse compartment cap.
2. Remove the old fuse and replace it with an identical,
serviceable fuse.
CAUTION! Never use a fuse with a higher rating!
3. Replace the fuse compartment cap.
S/N Ratio
Power Requirement
AC 110V/60Hz or 230V/50Hz
Power Consumption
Dimensions, inches (mm)
7/8 x23/8 x77/8
18
(180 x 60 x 200)
Limited Warranty
All PYLE PRO products are carefully constructed and tested before shipment.
Units purchased in the USA are warranted to be free of defects in material
and workmanship for two (2) years from the date of purchase. This warranty
is limited to the original retail purchaser of the amplifier.
Should the unit fail due to factory defects in material or workmanship, your
unit will be repaired or replaced at the sole discretion of PYLE.
To obtain warranty service, you must first call our Consumer Return Hotline
at (718) 236-6948 to obtain a Return Authorization Number. This R.A. # must
appear on the outside of your package and on all paperwork relating to your
return.
When returning the unit to us for warranty service, it must be carefully packed
and shipped, prepaid, to:
R.A.#: _____________
PYLE PRO Service Center
1600 63rd Street
Brooklyn, NY 11204
You must also include the following items with your return:
• A copy of your sales receipt or other proof of purchase
• A brief letter, indicating the problem you are experiencing with the
product
• Include in your letter your return address, daytime phone number and
R.A. number
• Also include a check or money order for $15.00 for return shipping,
handling and insurance, or provide your Visa/MC number with
expiration date.
Our obligation under this warranty is limited to the repair or replacement of
the defective unit when it is returned to us prepaid. This warranty will be
considered void if the unit was tampered with, improperly serviced or subject
to misuse, neglect or accidental damage.
90 dB
6W
Please complete warranty card, detach and return
PYLE PRO Audio, Inc.
1600 63rd Street
Brooklyn, NY 11204
4 – PYLE PRO PYX-3X Electronic Crossover Network Owner’s Manual PYLE PRO PYX-3X Electronic Crossover Network Owner’s Manual -5
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