Nady Systems Snow Blower PM 200A User Manual

O W N E R ’ S M A N U A L  
PM-200A  
Powered Personal Stage Monitor  
 
WaRning  
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.  
ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR  
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.  
iMPoRTanT safeTY insTRUCTions  
When using this electronic device, basic precautions should always be taken,  
including the following:  
1. Read all 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 positioned so that proper ventilation is maintained.  
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, size, and 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) never be left plugged into the outlet when not being used 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 if:  
A. The power supply cord or the plug has been damaged.  
B. Objects have fallen into, or liquid has been spilled onto the product.  
C. The product has been exposed to rain.  
D. The product does not appear to operate normally or exhibits a marked change in  
performance.  
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.  
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Panel ConTRols and ConneCTions  
1. INPUTS  
The electronically balanced XLR MIC input is designed to accept signals  
from any balanced or unbalanced low impedance (Low Z) microphone. This  
input can also be used for low line level signals. Make sure to turn down  
the preceding unit to avoid distortion. The XLR jack is configured for: Pin1 =  
ground, Pin2 = positive (+), Pin3 = negative (-). Note, the Mic input is more  
sensitive than the Line input.  
The 1⁄4” TRS LINE input is designed to accept balanced or unbalanced  
linelevel signals such as those from keyboards, drum machines, or samplers.  
If a balanced signal is to be connected to the line input, then a 1/4” TRS  
(stereo) phone plug should be wired for: Tip = positive (+), Ring = negative  
(-), Sleeve = ground.  
Note: Both Mic input and Line input can be used simultaneously if desired, however audio  
levels cannot be adjusted separately.  
2. LINE OUT  
This 1⁄4” unbalanced output can be used to daisy-chain multiple PM-200A or  
send the input signal directly to a mixer, PA system, or recording device. The  
Line Output is not affected by the Volume controls or EQ.  
3. VOLUME  
This adjusts the signal level sent to the internal speakers, external speaker,  
and headphone outputs.  
MAKE SURE TO AVOID EXCESSIVE CLIPPING OF THE POWER AMPLIFIER!!!  
The Volume should be adjusted to be comfortably audible without excessive  
clipping. The red clipping LED indicator, located on the front baffle, will light  
when the amplifier is within 3dB of clipping. It is acceptable if the red LED  
lights occasionally. If the red LED lights more than occasionally, you should  
turn down the volume to avoid audible distortion and possible damage to  
the speakers or amplifier. The PM-200A uses a high power amplifier in a small enclosure for  
maximum power and portability combined. Care should be taken to avoid overheating and  
possibly damaging the power amp or speakers with excessive clipping.  
Note: Speakers and amplifiers damaged due to hard clipping are not covered under warranty.  
4. EQ  
The three-band equalizer section utilizes a HIGH, MID, and BASS EQ control, each of which  
has 12dB of cut and boost, with a center detent for off indication. The frequency response is  
flat when all three EQ knobs are in the center detent position. The HIGH and BASS shelving  
controls have their frequencies fixed at 10 KHz and 120Hz respectively. The MID control has  
a peaking response at 2.5KHz. The EQ is a valuable feature of the PM-200A as it allows the  
user to control the tonal characteristics of their monitor mix. For example, boosting the BASS  
can fatten the sound, add warmth to vocals, or extra punch to bass, drums and synths; the MID  
control can be used to define the midrange or bring out the vocals; and adjusting the HIGH  
control can provide a crisp sounding high end for high hat and vocal clarity.  
Another very important, yet often overlooked technique is  
to use the EQ to subtract from the mix. Cutting the HIGH  
control can reduce unwanted sibilance, hiss, cymbals, or  
high frequency feedback, while attenuating the MID or  
BASS can also eliminate feedback or clear up a muddy  
sounding mix. Cutting the HIGH and BASS, then pushing  
up the Volume control is equivalent to a mid range boost!  
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Panel ConTRols and ConneCTions  
Note, the PM-200A internal speaker has been specially designed to reduce feedback  
frequencies while allowing maximum punch from center vocal and instrument tones. This  
allows clear and comprehensive monitoring with the speaker in close proximity with maximum  
feedback rejection. The speakers are not meant to be flat in audio quality or used for music  
reproduction. But when the band or DJ is pumping, they kick out exactly what you need...and  
then some!  
5. EXTERNAL SPEAKERS  
The PM-200A can also be used to power external speakers for additional  
monitoring or added volume. Each External Speaker jack can power any  
number of speakers with a total impedance not being less than 8Ω.  
The PM-200A actually uses a dual power amp, each side of which is  
used to power the internal 8Ω speakers. The power amp is capable of  
delivering up to 50W RMS of clean power to EACH SPEAKER.  
When additional speakers are connected to the two External Speaker  
outputs, they are automatically wired in parallel with each internal  
speaker, reducing the total impedance of each channel. If an 8Ω speaker  
is connected to each output, the power amp can deliver up to 75W RMS  
to each channel – that means 37.5W per speaker. If the internal speakers  
are turned off in this configuration, each 8Ω external speaker  
can receive up to 50W RMS of power.  
6. INTERNAL SPEAKERS ENABLE  
When external speakers, or headphones, are being used, it may be  
desirable to turn off the internal speakers to decrease noise, or, to increase  
the power somewhat to the external speakers. When the External Speakers  
push-button switch is depressed, the internal speakers are enabled. When it  
is out, the internal speakers are disconnected.  
7. HEADPHONES  
The Headphone 1⁄4” stereo output can be used to monitor the signal post  
Volume and EQ. It is capable of powering headphones with impedances of  
8Ω or greater. The internal speakers can be used simultaneously or turned off  
using the Internal Speakers Enable switch.  
8. POWER  
This switch turns the AC power on and off as indicated by the front baffle  
green Power Led.  
9. POWER CONNECTOR  
The IEC jack is used to connect the power cord to the AC Power Source.  
[Caution: Never remove the center grounding pin as this can cause  
a serious safety hazard and will immediately void your warranty.]  
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9
10  
11  
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Panel ConTRols and ConneCTions  
10. FUSE COMPARTMENT  
Replace with only the same type fuse. If the fuse blows continuously, have the unit serviced by  
qualified personnel. The PM-200A powered mixer uses 20mm glass tube Fast Blow fuses: 6A  
250V for 115VAC, 3A 250V for 230VAC.  
11. 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).  
12. HEAT SINK  
The heat sink can get very hot during high power operation. Make sure to leave properly  
ventilated and avoid touching.  
13. MOUNTING SOCKET  
On the bottom panel of the PM-200A  
is a 5/8” dia. socket for mounting the  
PM-200A on a mic stand. Depending  
13  
on your mic stand, you may require  
the optional MSA-100/200A Mic Stand  
Adapter for most secure mounting. For  
ordering, see PM-100/200A Optional  
Accessories Ordering Form included.  
PM-200A bottom and  
standard mounting socket  
MSA-100/200A Mic  
Stand Adapter  
sPeCifiCaTions  
Mic Input  
Input Impedance  
Maximum Input  
balanced XLR  
2KΩ  
Frequency Response  
20Hz – 50KHz  
0.055%  
THD  
-10.2dBm (235mV)  
S/N  
-81dB  
Sensitivity (for max output  
w/Volume max)  
Noise Floor  
Amplifier protection  
.200uV  
clipping LEDs,  
-40dBm (7.5mV)  
thermal runaway, short circuit,  
anti-thump on/off protection  
Line Input  
balanced/unbalanced TRS 1⁄4”  
Input Impedance  
20KΩ  
(10KΩ unbalanced) Internal Speakers  
5” full-range  
Maximum Input  
Sensitivity (for max output  
w/Volume max)  
+22dBm (10V)  
Impedance  
Voice Coil diameter  
8 Ω  
1”  
-10dBm (230mV)  
Power Requirements  
Selectable,  
Line Output  
balanced XLR  
1.4KΩ  
115VAC/60Hz or 230VAC/50Hz  
Output Impedance  
Maximum Output  
(w/10K load)  
Fuse Requirements 5x20mm glass tube F.B.  
6A 250V @ 115VAC  
15.5dBm (4.3V)  
rotary knobs  
3A 250V @ 230VAC  
EQ and Volume  
High  
+/-12dB @ 10K Hz Weight  
9.6 lbs. (4.4 Kg)  
Mid  
+/-12dB @ 2.5K Hz  
Bass  
+/-12dB @ 120 Hz Dimensions (HWD)  
11.1” x 7” x 6.1”  
(28 x 18 x 15.5 cm)  
Headphone Output  
Power  
1⁄4” TRS Stereo  
2 x 80mW @ 32Ω Specifications subject to change at any time  
without prior notice for purposes of product  
2 internal speakers, improvement  
2 external 1⁄4” outputs  
Power Amp Output  
Power  
2 x 50W RMS @ 8Ω  
(Total 100W RMS)  
2 x 75W RMS @ 4Ω  
(Total 150W RMS)  
6
 
one-YeaR liMiTed WaRRanTY  
Nady Systems, Inc. warrants to the original consumer purchaser that the unit is free from any  
defects in material or workmanship for a period of one year from the date of original retail  
purchase. If any such defect is discovered within the warranty period, Nady Systems, Inc. will  
repair or replace the unit free of charge, subject to verification of the defect or malfunction upon  
return to Nady Systems. Please do not return your Nady product to the store where it was  
purchased as Nady Systems handles your warranty service directly. Communication with our  
Service Department is the most efficient means of servicing your unit and we are dedicated to  
keeping you a satisfied customer.  
To the extent permitted by law, any applicable implied warranties, including warranties  
of merchantability and fitness are hereby limited to one year from the date of purchase.  
Consequential or incidental damages resulting from a breach of any applicable express or  
implied warranties are hereby excluded. This warranty is in lieu of all other agreements and  
warranties, general or special, express or implied and no representative or person including a  
Nady dealer, agent, or employee is authorized to assume for us any other liability in connection  
with the sale or use of this Nady Systems’ product.  
Whereas some states do not allow limitations on how long implied warranties last, and do not  
allow exclusion of incidental or consequential damages, the above limitations and exclusions  
may not apply to you. This warranty gives you specific legal rights and you may also have other  
rights which may vary from state to state.  
This warranty is subject to the following conditions:  
1) This system must have been purchased from an authorized Nady dealer and all warranty  
service must be performed by Nady’s service department. Any service not performed by Nady  
will automatically void this warranty.  
2) Items not covered: physical damage resulting from improper handling of the unit in transit  
from the factory by the shipper (Nady Systems is not responsible for such damage and all such  
claims must be made against the shipping company by the consignee); defects caused by  
normal wear of the product (expendable parts are typically connectors, cables, potentiometers,  
switches and similar components); damage or defects caused by abuse, neglect, accident,  
failure to connect or operate the unit in any way that does not comply with applicable technical  
or safety regulations, or improper repair, excessive heat or humidity, alteration or unreasonable  
use of the unit, causing cracks, broken cases/housings or parts; damage caused by leaking  
batteries; finish or appearance items; items damaged in shipment en route to Nady Systems,  
Inc. for repair. The warranty is null and void if any Nady serial number has been removed or  
defaced.  
How To Obtain Service:  
1) If factory service is required, you must contact our Service Department at (510) 652-2411 for  
a return authorization (RA) number. Make sure the RA number is clearly marked on the outside  
of your package. (Please note: if an RA number is not included, our shipping department cannot  
accept your package.)  
2) Send the unit back to Nady Systems, 6701 Shellmound Street, Emeryville, CA, 94608,  
freight pre-paid.You must include proof of date and place of purchase (i.e., photocopy of your  
bill of sale) or Nady cannot be responsible for repair or replacement. Nady Systems, Inc. will  
not repair, nor be held responsible, for any units returned without proper identification, return  
address, and RA number clearly marked on the package.  
3) Per the above, Nady will perform all warranty service and return the unit to you at no charge.  
Nady Systems will inform the buyer if product sent in does not meet the terms of this warranty  
and will provide a quote for fixing the unit and/or shipping it back exclusively at the buyer’s  
expense.  
7
 
SERVICE FOR YOUR NADY AUDIO PRODUCT  
In the U.S. If you are experiencing operational problems with your system, please refer to the  
please contact the Nady Service Department at (510) 652-2411 for a Return Authorization (R/A)  
Number and service quote (if out of warranty). Make sure the R/A Number is clearly marked on  
the outside of the package that you are returning.  
If your unit is out of warranty, please enclose a cashier’s check or money order (or pay by  
credit card) per instructions by the Nady Service Department. Ship your unit prepaid to: Nady  
Systems, Service Department, 6701 Shellmound Street, Emeryville, CA 94608. Include a brief  
description of the problem you are experiencing. For service of a unit under warranty, please  
follow the instructions in the following section.  
Outside the U.S. For service or warranty matters please contact the Nady distributor in your  
country through the dealer/store from which you purchased this product.  
Do not attempt to service this unit yourself as  
it can be dangerous and will also void the warranty.  
NADY SYSTEMS, INC. • 6701 SHELLMOUND STREET, EMERYVILLE, CA 94608  
Tel: 510.652.2411 • Fax: 510.652.5075 • www.nady.com  
 

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