Nady Systems Stereo System RPA 2 User Manual

OWNER’S MANUAL  
RPA-2  
2 CHANNEL PORTABLE SOUND SYSTEM  
 
WARNING  
An equilateral triangle enclosing a lightening flash/arrowhead symbol is  
intended to alert the user to the presence of uninsulated dangerous  
voltagewithin the products 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  
outlets or extension cords 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 enclosures openings.  
10. The product should be serviced by qualified service personnel if:  
A.  
B.  
C.  
D.  
E.  
The power supply cord or the plug has been damaged.  
Objects have fallen into, or liquid has been spilled onto the product.  
The product has been exposed to rain.  
The product does not appear to operate normally or exhibits a marked change in performance.  
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.  
3
 
INSTALLATION  
To ensure years of enjoyment from your NADY AUDIO RPA-2, please read and understand this manual thoroughly before  
using the unit.  
INSPECTION  
Your RPA-2 was carefully packed at the factory in packaging designed to protect the units in shipment. Before installing and using your  
unit, carefully examine the packaging and all contents for any signs of physical damage that may have occurred in transit.  
(Note: Nady Systems is not responsible for shipping damage. If the unit is damaged, do not return to us, but notify your dealer and the  
shipping company immediately to make a claim. Such claims must be made by the consignee in a timely manner.)  
CONTENTS:  
Instruction manual  
RPA-2 (verify that the units serial number is same as shown on shipping carton)  
AC Power cord  
Warranty Card  
POWER CONNECTION  
The RPA-2 has an internal power supply and is designed to operate from an external AC source. Power requirements for electrical  
equipment differ from area to area. Be sure to confirm that the voltage selected by the voltage selector switch on the back panel is  
proper for your area (120VAC/60 Hz or 230VAC/50Hz) per the information below:  
Europe (except UK): 230V, 50Hz  
UK and Australia: 240V, 50Hz  
USA and Canada: 120V, 60 Hz  
For other areas, please check with local authorities.  
When ready to operate, plug the AC cord into the power source. Make sure that the unit is turned off before connecting to the AC  
power source to avoid possible loud transients which can damage your speakers or your ears, especially when monitoring with  
headphones.  
4
 
FRONT PANEL CONTROLS & CONNECTIONS  
(1)  
(2)  
(3)  
(6)  
(7)  
(8)  
(9)  
(10)  
(11)  
(12)  
(4)  
(5)  
FRONT PANEL  
Note: 1 through 5 below are referenced to Channel 1. The other  
channels are identical.  
(Note: Only either the Mic or the Line input of a given channel can  
be connected at one time. Do not connect both simultaneously to  
the same channel.)  
(1) GAIN CONTROL  
The Gain Control determines the proportion of the channel signal  
in the mix.  
(6) MASTER — VOLUME CONTROL  
This controls the final level of the signal output.  
(7) MASTER — REVERB CONTROL  
This controls the level of the reverb effects sound.  
(2) CONTOUR CONTROL  
Adjusting this control will contour the audio, either bringing out  
more highs and definition or increasing low and mid frequencies to  
provide more punch.  
(8) MASTER — HIGH CONTROL  
The control has a shelving response giving 15dB of boost or cut at  
12KHz.  
(3) REVERB CONTROL  
The Reverb Control adjusts the level of signal sent by each  
channel to the internal Reverb DSP (Digital Sound Processor).  
The signal sent is mono, post-Contour and will be affected by the  
channel Gain Control.  
(9) MASTER — MID CONTROL  
The control has a shelving response giving 15dB of boost or cut at  
1.5KHz.  
(10) MASTER — LOW CONTROL  
(4) LINE INPUT  
The control has a shelving response giving 15dB of boost or cut at  
100Hz.  
The Line input is designed to accept balanced or unbalanced line-  
level signals such as those from keyboards, drum machines, or  
samplers. Use the GAIN control (1) to adjust for the desired level.  
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.  
(11) MASTER — DEPTH CONTROL  
This controls the amount of feedback of the reverb reflection, i.e.  
the number of reflections and the length of time before they  
diminish in volume.  
(5) MIC INPUT  
(12) POWER ON LED INDICATOR  
Indicates when the unit is ON.  
The Mic input is an electronically balanced XLR type designed to  
accept signals from any balanced low impedance (Low Z)  
microphone. It will be necessary to adjust the channel gain with  
the input GAIN control (1) to achieve a nominal operating level.  
The XLR jack is configured for: Pin1 = ground, Pin2 = positive (+),  
Pin3 = negative (-).  
5
 
FRONT PANEL CONTROLS & CONNECTIONS  
(13)  
(14)  
(15)  
(16)  
(13) EFFECTS SEND  
(15) AUXILLIARY OUTPUT  
This line level output can be connected to external recorders,  
amplifiers, or effects processors. The signal is a mix of the  
channel inputs determined by each Channel Gain control.  
This line level output can be connected to external recorders,  
mixers, or amplifiers.  
(16) TAPE IN AND TAPE OUT  
(14) EFFECTS RETURN  
The Left and Right TAPE IN allows cassette recorders or CD  
players to be added to the Main output. The RECORD OUTPUT,  
with TAPE RCA jacks, provides signal output to a cassette deck or  
home audio equipment.  
This input can be used to return the effected signal into the RPA-2  
or it can be used as an auxiliary input. The input signal can be  
adjusted by the Master Volume and the unit the Return jack is  
connected to.  
REAR PANEL CONTROL & CONNECTIONS  
(19) POWER CONNECTOR WITH FUSE HOLDER  
This standard IEC power cord receptacle is used to connect the  
AC power to your unit. It features a built-in fuse holder for a  
5X20mm, (2.5A/250V for 115VAC, and 1.5A/250V for 230VAC  
operation) fast-blow fuse. If the fuse continuously blows, shut off  
the unit and have it serviced by qualified service personnel.  
(19)  
(20) EXTERNAL SPEAKER OUTPUT  
(20)  
(21)  
1/4" (6.3mm) jack for connecting an external speaker cabinet to  
the RPA-2. The connected speaker impedance must be 8 ohms  
or greater. The RPA-2 external speaker output delivers 25W RMS  
of power @ 8 Ohms.  
CAUTION: Do not overload the RPA-2 with speaker loads less  
than 8 ohms as this will degrade performance and may harm the  
unit. Damage caused by improper use is not covered by the  
warranty.  
(18)  
(17)  
REAR PANEL  
(17) POWER SWITCH  
Turns the unit ON or OFF. Always turn level controls down before  
turning on the unit.  
(21) LINE OUTPUT  
This 1/4" (6.3mm) audio output is line level, post Master Volume,  
designed for connecting to external recorders, mixers, or amplifi-  
ers.  
(18) VOLTAGE SELECTOR SWITCH  
For selecting the proper voltage (115/230VAC) to match the power  
supply in your area.  
Note: To avoid damage to your unit, always make sure this switch  
is set to the correct supply voltage. Damage caused by improper  
use is not covered by the warranty.  
6
 
SPECIFICATIONS  
AMPLIFIER AND SPEAKER  
Power ..............................................................................................................................................................................65W RMS @ 4 Ω  
S/N Ratio ........................................................................................................................................................................................>115dB  
THD Power output, 20Hz to 20KHz.................................................................................................................................................. <0.1%  
Speaker .................................................................................................................................................................................................8 Ω  
Tweeter type ................................................................................................................................................................Compression Dome  
Woofer ................................................................................................................................................................................................... 10"  
FREQUENCY RESPONSE (Mic input to output)  
Line level o/p @ +4dBu into 600 ..............................................................................................................................20Hz- 20KHz 3dB  
Power amp o/p 1 watt into 8 per side .......................................................................................................................20Hz- 20KHz 3dB  
SENSITIVITY @ LINE OUTPUT +4dBu with Master and Channels controls set to MID  
Mic/Line .......................................................................................................................................................................................-54/-24dB  
Tape in.................................................................................................................................................................................................-6dB  
Max Input Level XLR ...........................................................................................................................................................................-9dB  
Max Input Level 1/4"......................................................................................................................................................................... +22dB  
MASTER EQUALIZATION  
Low EQ .................................................................................................................................................................................100Hz 15dB  
Mid EQ ................................................................................................................................................................................ 1.5KHz 15dB  
Hi EQ.................................................................................................................................................................................... 10KHz 15dB  
MICROPHONE PREAMP E.I.N. (150ohm Terminated, max. Gain) ............................................................................................-102 dBm  
POWER REQUIREMENTS....................................................................................................................100-120, 220-240 VAC, 50-60 Hz  
FUSING............................................. 5x20mm glass type, 2.5A/250V for 115VAC, and 1.5A/250V for 230VAC operation, fast-blow fuse  
DIMENSIONS (H x W x D) ....................................................................................................... 20" x 13.5" x 13.5" (50.3 x 34.3 x 34.3cm)  
WEIGHT ............................................................................................................................................................................ 41 lbs. (18.6 Kg  
The specifications above are correct at the time of printing of this manual. For improvement purposes, all specifications for this unit,  
including design and appearance, are subject to change without prior notice.  
7
 
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 [email protected].  
(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  
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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