Numark Industries Stereo Amplifier PA5Pro User Manual

Professional Disc Jockey Products  
PA5Pro Preamplifier  
OWNER’S MANUAL  
NUMARK INDUSTRIES  
111 Dupont Drive, Providence, RI 02907  
 
P A5 P r o  
NUMARK PA5Pro Preamplifier  
INDEX  
Safety Information  
Product Registration  
Page 2  
Page 4  
Introduction  
Features  
Precautions  
Page 5  
Page 6  
Front Panel Diagram  
and Features  
Rear Panel Diagram  
and Features  
Page 7  
Connection Diagram  
Specifications  
Page 9  
Page 10  
Page 11  
Page 12  
Block Diagram  
Warranty and Service  
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P A5 P r o  
CONGRATULATIONS!  
You have purchased the PA5Pro Preamplifier by Numark. The Numark PA5-Pro is a  
high-quality stereo preamplification unit. Perfect for a variety of applications such as  
aerobics clubs, karaoke, restaurants, office music, bars, churches, or even nightclub off  
peak time. This simple to operate unit allows you to select from 4 different input sources  
such as a CD player or a tape deck and still page someone with the 2 microphones using  
our integrated auto-muting feature.  
Thank you for buying Numark products!  
FEATURES...  
• RCA,Balanced XLR Outputs  
• Binding Post Outputs  
• Record Output  
• 2 Neutrik™ Mic inputs with  
separate 3-band equalizers  
• Auto mute with defeat switch  
• Master 3-band Equalizer  
• Input Selector Switch  
• Loudness switch  
• Stereo/Mono switch  
• Headphone output  
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P A5 P r o  
IMPORTANT INFORMATION...  
Please read this entire manual before  
connecting the PA5PRO to your system.  
For optimum performance:  
SYSTEM PRECAUTIONS  
• Use appropriate cables throughout your  
system: Quality shielded audio cables and  
terminated shielded video cables, low-  
capacitance preferred. Speaker cables must be  
14-gauge minimum; 12- or 10-gauge is better.  
• Always make sure that AC power is OFF  
while making any connections.  
• Do not use excessively long cables (i.e. over  
50ft/14m) Be sure plugs and jacks are tightly  
mated. Loose connections can cause hum, noise  
or intermittents that could easily damage your  
speakers.  
• Reliability will be enhanced through the use of  
banana connectors on the speaker wires.  
Observe correct speaker wire polarity. If in  
doubt, consult your Numark dealer or a qualified  
technician.  
• Never use spray cleaners on the slide  
controls. Residues cause excessive dirt build-  
up and this will void your warranty. In normal  
use slide controls can last for many years. If  
they malfunction (usually because of a dirty or  
dusty environment) consult a professional  
technician.  
• Take care to connect only one cable at a time.  
Pay attention to the color-coded, labelled Input  
and Output jacks.  
• ALWAYS remember: “TURN AMPS ON  
LAST AND OFF FIRST”. Begin with master  
faders or volume controls on minimum and the  
amplifier gain/input control(s) down. Wait 8 to 10  
seconds before turning up the volume. This  
prevents transients which may cause severe  
speaker damage.  
• Never attempt to make any adjustments or  
repairs other than those described in this  
manual. Take the PA5PRO to your dealer or to  
an authorized Numark Service Center.  
• Use restraint when operating controls. Try to  
move them slowly. Rapid adjustments could  
damage speakers due to amplifier clipping.  
A NOTE ON CABLES:  
Avoid amplifier “clipping” at all costs: this  
occurs when the red LEDs (usually on the front  
panel of most professional power amplifiers)  
start flashing. “Clipping” is when the power  
amplifier is distorting and working beyond it’s  
limits. Amplifier distortion is THE major cause of  
speaker failure.  
Make the input and output  
connections with readily  
available low-capacitance stereo  
cables. Quality cable makes a  
big difference in audio fidelity and  
punch. See your Numark dealer  
or an electronics or audio  
specialist store if you are not  
sure which cables to get.  
• To prevent fire or shock hazard, do not expose  
the unit to rain or moisture. Never place cans  
of beer, soda, glasses of water or anything  
wet on top of the mixer!  
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P A5 P r o  
PA5 PRO FRONT PANEL DIAGRAM AND FEATURES...  
3
1
2
6 7  
4
8
1 0  
5
9
If the PA5PRO is your first preamplifier, please read this entire manual before you begin operation.  
The PA5PRO can be rack-mounted or used as a free-standing unit (1-19" rack unit space).  
1. Power Switch and Power-On LED.  
5. 3-Band Master Equalizer (EQ). The EQ  
compensates for differences in source material  
sound quality. The EQ can be used to tailor the  
sound to the acoustical requirements of the room.  
The knobs have a center detent for an accurate "flat”  
response. Start with this position if you've never  
used a graphic EQ before and then slowly adjust the  
bass, middle, or treble to a desirable position.  
MIC SECTION  
The PA5PRO has 2 extremely controllable  
DJ Mic channels. The mute switch on the  
rear panel (2) automatically reduces the level  
of the music when the DJ Mic is spoken into.  
2. Neutrik™ “Combo” connector allows  
connection of either a 1/4” jack or an XLR jack. This  
is ideal for connecting an XLR gooseneck directly  
into the mixer.  
6. The Loud button boosts the bass frequencies to  
add more presence to the audio signal.  
7. The Mono button is pressed to merge the left  
and right channels of input to become the same  
output.  
3. Treble, Mid, and Bass Controls fine tune  
the tone of your voice on both mics through the  
sound system. The controls are detented for setting  
tone "flat". For best results, use a dynamic cardioid  
microphone.  
8. The Input Selector determines which source  
will be live to the outputs based on what you have  
connected to the rear panel input section.  
4. The DJ Mic volume controls the DJ Mic  
volume for the Neutrik™ “Combo” connector.  
9. The Master Volume controls the overall output  
level and the headphone output level.  
10. The Headphone jack is supplied so you may  
monitor the output of the preamp directly.  
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P A5 P r o  
PA5 PRO REAR PANEL DIAGRAM AND FEATURES...  
1
2 3 4 5 6 7  
8
9
1 0  
1 1  
1 2  
1. GND is the grounding lug for turntables 1, 2 and 3  
(phono inputs on Channels 1, 2 and 3). Always use  
this connection (your turntable cable should have a  
grounding wire).  
7. The Tape Outputs are low-impedance  
unbalanced RCA jacks which output the program  
mix and allow you to connect any recording device.  
8. The Stereo Main RCA Outputs are low-  
impedance RCA connectors controlled by the  
Master fader.  
2. The Automute Switch should be set to the on  
position if you want inputs 3-6 to lower volume  
automatically when the microphones are spoken  
through. Set it to the off position if you don’t want  
the inputs affected.  
9. The Stereo Binding Post Outputs are low-  
impedance hard-wire connectors controlled by the  
Master fader  
3. Phono Inputs use unbalanced RCA jacks. Your  
input signal is fed directly to the PA5PRO's high-  
quality RIAA phono pre-amplifiers so use this  
position only for moving magnet cartridges. Line  
level sources will overload the sensitive phono pre-  
amps and will sound very bad, so always be sure to  
toggle the line/phono switch over to line before  
connection of line sources.  
10. The Stereo XLR Balanced Outputs are  
balanced low-impedance outputs for connecting to  
other balanced amplifiers or devices. Use these  
outputs whenever possible for the best sound.  
11. AC Cord. See safety precautions on page 3 for  
proper treatment of the power cord.  
4,5,6. CD,Tape, and Aux Line Inputs are  
unbalanced RCA jacks. You can connect stereo  
audio from HiFi VCRs, cassette and reel-to-reel tape  
decks, DAT machines, CD players, laser discs,  
tuners, even synthesizers or other mixing consoles.  
NOTE:Plug mono audio sources into both Left and  
Right inputs using a “Y” cable connector.  
12. Voltage Selector should be set before you  
plug the unit in to the correct voltage for your  
location.  
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P A5 P r o  
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P A5 P r o  
PA5 Pro CONNECTION DIAGRAM...  
INSTALLATION AND OPERATION  
Study the Connections Diagram. First, connect all stereo input sources. Next connect your  
microphone(s) and monitor headphones. Make sure all volumes are at "zero" and the unit is off. Finally,  
connect the stereo outputs to the power amplifier(s) and/or audio sources. Plug the PA5Pro into AC power.  
Now you are ready to switch it on.  
Microphone 1  
Microphone 2  
CD Pla ye r  
Turnt a b le  
AC  
Out le t  
Tune r  
Re cording  
Tape Deck  
Tape Deck  
Ma in  
Sound Syst e m  
w/ Am p lifie r  
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P A5 P r o  
SPECIFICATIONS...  
INPUTS:  
Line:  
Mic:  
150 mV rms sensitivity  
2.5 mV rms sensitivity  
Phono: 2.5 mV rms sensitivity  
OUTPUTS:  
Line:  
2V rms  
EQUALIZER:  
Bass/Mid/Treble control +-8dB  
SIGNAL TO NOISE RATIOS (vs. maximum output):  
Line:  
Mic:  
Phono:  
Better than 95 dB  
Better than 75 dB  
Better than 75 dB  
DISTORTION:  
T.H.D. 0.05%  
CROSSTALK:  
Channel 60dB  
Function 60dB  
FREQUENCY RESPONSE:  
Mic:  
Line:  
Phono:  
20Hz-20kHz +_ .3dB  
20Hz-20kHz +_ .5dB  
20Hz-20kHz +_ 1dB  
WEIGHT:  
(net) 3.5Kg  
DIMENSIONS:  
WxHxD 483x45x280mm  
19”x 1 3/4”x11 1/4”  
POWER CONSUMPTION:  
20 Watt  
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P A5 P r o  
BLOCK DIAGRAM...  
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Professional Disc Jockey Products  
Wa r r a n t y a n d Se r v ic e In f o r m a t io n  
Numark Industries, LLC and Numark International, Inc. (hereafter “Numark”)  
warrants each new product manufactured and/or supplied by it to be free from  
defects in material or workmanship under conditions of normal use and service for  
360 days, beginning on the date of purchase from an authorized Numark Dealer,  
but not to exceed 2 years from date of shipment by Numark.  
The Numark obligation under this warranty is limited to repairing or replacing, at  
its option, the product or part(s) therein; which upon examination by Numark shall  
appear to be defective or not up to factory specifications; providing the Numark  
product is returned (transportation prepaid) to Numark.  
Numark shall not be liable for any damages, consequential or otherwise,  
resulting from the use and operation of this product and makes no other warranty(s)  
either express or implied on this product, including any warranty of merchantability.  
This warranty does not extend to any of our products which have been  
subjected to misuse, neglect, accident, incorrect wiring not our own, improper  
installation, or use in violation of instructions furnished by us, nor extended to units  
which have been repaired or altered outside of our factory, nor to cases where the  
serial number thereof has been removed, defaced, or changed, nor to accessories  
used therewith not of our own manufacture. Numark reserves the right to make  
changes or improvements in its products, during subsequent production, without  
incurring the obligation to install such changes or improvements on previously  
manufactured equipment.  
To place this warranty into effect, the enclosed WARRANTY REGISTRATION  
CARD must be returned to Numark Industries, LLC within thirty (30) days after  
date of purchase.  
This warranty gives you specific legal rights, and you may also have other  
rights which vary from state to state.  
Some states do not allow the exclusion or limitation of incidental or  
consequential damages so the above limitation or exclusion may not apply to you.  
EQUIPMENT TRANSPORT  
A Return Authorization number should be obtained from Numark through the  
addresses or phone numbers below.  
It is the customer’s obligation, when returning faulty equipment, to properly  
pack the Numark equipment in its original packaging. Failure to do so may  
inadequately protect the equipment in transit and, therefore, jeopardize the  
customer’s warranty. The defective Numark equipment should be sent, FREIGHT  
PREPAID with Return Authorization number to:  
NUMARK INDUSTRIES  
111 Dupont Drive  
Providence, RI 02907. U.S.A.  
Attention: Service Department  
Telephone: +1 (401) 946-4700  
Fax: +1 (401) 946-5350  
 

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