Nady Systems SMA-2130 Stereo Amplifier User Manual
Contents
1. ECTRICAL SPECIFICATIONS INPUT SENSITIVITY ieu iU GIRL YY raa 0 77V 26dB 1 4V INPUT IMPEDANCE oieee 20KQ Unbalanced amp Balanced FREQUENCY RESPONSE 10HZ 50KHz 3dB MAXIMUM INPUT LEVEL 21dB 6V DAMPING FACTOR f 1KHZ 8Q ceee gt 150 SLEW PATE oe csccscccdsnaceessceapdehessessessceaceesceseseaezseeeseenepdsssspecaessee 35V uS DISTORTION cui Gyd Te aaaeaii lt 0 04 S N RATIO A Weighted RMGS ccecceceeeeeeeeeeteeneeeeeaee gt 80dB POWER SUPPLY uuig id GYG yy FR YI Voltage selectable 110 120V or 220 240V AC 50 60Hz FUSES i ea nae und Mod EI eraa EA Standard IEC receptacle with built in fuse holder 115VAC 5A 250V 230VAC 3A 250V GENERAL SPECIFICATIONS PROTECTION cccccccscccccssccccsssccecsseeeessseceesseeeessseeeesseeeeess Full short circuit current limited DC fault AC line fuse thermal Power on off transients FRONT PANEL iun aii ur GN DY YY YW YN y Fum Power switch Channel 1 and Channel 2 Level controls REAR PANEL sseeeeeue ueu re LL AI LIII LII LLH Stereo Bridge Parallel selector Input Level selector LED INDICATORS iii iydd si oydd Ud ade dade Channel 1 and Channel 2 Clipping Protect Bridge Parallel Power IEC power cord jack INPUTS eiae yD CAG DI Y CF Active balanced XLR and 1 4 6 3mm TRS OUTPUTS tee dud NAD ud DY iS GRUD DR Binding posts Banana jack Speakon DIMENSIONS WXDXH 19 x 9 84 x 1 73 483 x 250 x 44mm WEIGHT jose GI a YG 18 25lbs 8 28Kg The2. N TO REDUCE THE RISK OF ELECTRIC SHOCK A lateral biano iod anal inti inlended io alert DO NOT REMOVE COVER OR BACK n equilateral triangle enclosing an exclamation point is intended to ale REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 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 t
3. NECTIONS 6 4 3 1 POWER SWITCH To turn the unit ON or OFF press the upper or lower portion of this button CAUTION Always turn on your power amplifier last after all your other connected equipment and always turn off your power amplifier before your other connected equipment 2 POWER LED INDICATOR Lights when the unit is on 3 BRIDGE PARALLEL INDICATORS These indicators will light when the corresponding mode of operation is selected with the mode selector switch No light means the unit is in Stereo mode 4 PROTECTION LED INDICATOR This LED illuminates when the unit is overheated or when a shorted load or DC is detected at the amplifier output When this LED lights up turn OFF the power and check the PROTECT GO POWER 2 1 output s connection to verify that it is correct then turn ON the power again The amplifier will reset itself when the problem is corrected This LED will also light briefly when the unit is powered on 5 LEVEL CONTROLS These control the level of signal coming into each channel Turn these controls counterclockwise if the peak LEDs illuminate steadily indicating too strong an input signal To be safe it is also suggested these controls be turned fully counter clockwise before powering on the unit in case there are any loud input signals 6 CLIP LED INDICATORS These LEDs illuminate if any section of the power amplifier s output is within 3dB of
4. OWNERS MANUAL CLIP a o am co O CHANNEL By o pollo syll P 2 BRIDGE o o u 10 PROTECT o o SMA 2130 STEREO MONITOR AMPLIFIER SMA 2130 as ar mw a EE Mr Congratulations on your choice of amplifier you have purchased one of the finest amplifiers on the market today This unit was developed using the expertise of professional sound engineers and working musicians You will find that your new NADY AUDIO SMA 2130 has superior performance and greater flexibility than any other amplifiers in its price range Please read this manual carefully to get the most out of your new unit Thanks for selecting NADY AUDIO as your choice in amplifier FEATURES Offering superior clean power and performance with full professional operating features in a roadworthy compact 1U rackspace chassis the SMA 2130 is perfect for even the most demanding studio and reinforcement applications e Calibrated 40 detent level controls channel short circuit and speaker protection built in current e Dual cooling quiet mini fans for optimum output power limiter protection e Stereo Parallel Bridged mono operating modes with 115V 60Hz 230V 50Hz AC select switch selector switch e Clip LED indicators for each channel 1 4 TRS and XLR balanced and unbalanced inputs Bridge and Parallel mode LED indicators e 3 setting input level sensitivity switch e Protect mode LED indicator e Binding post and Ne
5. This amplifier can deliver high power into a speaker Make sure that the speaker can handle the power output of this amplifier 10 GROUND LIFT SWITCH Switch to disconnect the chassis from ground if necessary to eliminate hum caused by ground loops 11 SPEAKER OUTPUT CONNECTORS Speakon and binding post banana jack outputs are compatible with a speaker load of 4ohms or greater 8 ohms or greater for bridged operation Do not use less than an 8 Ohm load when in Bridged mode Connections are as depicted on the rear panel 12 FUSE HOLDER amp POWER CORD CONNECTOR This fuse holder contains an AC primary fuse When this fuse blows replace it with the same type fuse size and power rating see SPECIFICATIONS If it continuously blows stop replacing the fuse and refer servicing to qualified personnel The cord connector is used to connect the AC power source to your power amplifier CAUTION After checking the AC supply voltage be sure that the correct fuse is in the fuse holder CAUTION DO NOT REMOVE THE AC PLUG CENTER GROUNDING PIN 13 INPUT VOLTAGE SELECT SWITCH BOTTOM PANEL Select 115V 60Hz or 230V 50Hz as appropriate for your area CAUTION Selecting the wrong voltage can damage your unit See also POWER CONNECTION pg 6 SPECIFICATIONS POWER SPECIFICATIONS EIA Output Power RMS 8o 70W 70W 1kHz THD maximum 196 42 130W 130W 8Q Bridged 220W Less than 8Q Bridged or 4Q Per Side is not recommended EL
6. all the connections when daisy chaining resulting in hum For stereo two channel operation use the inputs for both Channel 1 and Channel 2 for parallel or bridged mono operation use only Channel 1 input See 9 MODE SELECTOR SWITCHES below for more explanation 8 INPUT LEVEL SWITCH Sensitivity slide switch offers 3 sensitivity inputs of operation 0 77 volts 1 0 volts amp 1 44 volts 9 MODE SELECTOR SWITCH The SPA Series amplifiers offer 3 modes of operation PARALLEL STEREO amp BRIDGED Slide the switch to one of the three positions for your application e PARALLEL MONO INPUT This mode allows both channel outputs to operate in parallel with the same signal In this mode use channel 1 input and Level Control to operate Channel 1 and Channel 2 Speaker Outputs Channel 2 input is not operational S meur f LEVEL Oc 1 IN MONO 10 9 GO 8 7 e STEREO INPUT This is the most common mode generally used and allows independent control of 2 separate signals such as stereo main and monitor live mixes and bi amp operation highs in one channel and lows in the other e BRIDGED MONO This mode combines the power of both channels to drive a single speaker Connect the input signal to Channel 1 input for bridged mono operation When in Bridged mode use the red binding post banana jack outputs only If Channel 1 and Channel 2 outputs are used the Speakers will be out of phase CAUTION
7. 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 that can damage your speakers or your ears especially when monitoring with headphones LEGAL INFORMATION NOTICE The information in this document is subject to change as the Company may make changes to product in order to improve reliability design or function without prior written notice No part of this manual may be reproduced or transmitted in any form or by any means without the written permission of the company IN NO EVENT WILL THE COMPANY BE LIABLE FOR SPECIAL INCIDENTAL OR CONSEGUENTIAL DAMAGES WHETHER ARISING DIRECTLY OR INDIRECTLY SUCH AS LOSS OF PROFIT OR GOOD WILL THAT MAY BE SUFFERED IN CONNECTION WITH THE PURCHASE OF THIS PRODUCT OR FROM THE BREACH OF ANY REPRESENTATION OR WARRANTY LICENSE The Company grants the customer a non exclusive non transferable license to use the software if any accompanying this product for internal use on a single computer system The end user may make a single copy of the software solely for backup purposes otherwise no copies may be made of the software or any part thereof No other license of any kind is granted to any part of the product or any of the intellectual property therein FRONT CONTROLS AND CON
8. clipping Occasional blinking of these LEDs is acceptable but if they remain on more than intermittently you should turn down either the amplifier s level control or reduce the output level of the preceding component to avoid audible distortion REAR CONTROLS AND CONNECTIONS CH 2 OUT 12 13 11 Bottom Panel 7 BALANCED INPUT CONNECTORS 1 4 TRS amp XLR These 1 4 6 3mm TRS Tip Ring Sleeve phone jacks and XLR jacks are compatible with balanced inputs and are wired as Tip Pin 3 Ring Pin 2 and Sleeve Pin 1 Ground Input impedance is 14K Ohms Since the channel TRS phone jacks and XLR jacks are wired internally in parallel you can parallel this unit with another amplifier by using either the LINE 1 4 jack or the XLR jack depending on which you re using to input your signal to output the signal to the input jack of the other amplifier The 1 4 TRS phone jacks can also be used for unbalanced inputs For TRS phone plugs simply connect the unused side of the balanced input to ground For 1 4 TS phone plugs no change is necessary for compatibility with this input Balanced input signals are recommended as they are less prone to AC hum For long cable runs a source of less than 600 ohms output impedance is needed to avoid signal loss For short cable runs an unbalanced signal input should be suitable Note Do not use both unbalanced and balanced cables in the same set up as that can unbalance
9. ponsible for shipping damage If your unit is damaged do not return to Nady but notify your dealer and the shipping company if shipped to you immediately to make a claim Such claims must be made by the consignee in a timely manner CONTENTS e Instruction manual SMA 2130 verify that the unit s serial number is same as shown on shipping carton AC Power cord e Warranty Card RACK MOUNTING The SMA 2130 fits into one standard 19 rack unit of space 1 3 4 Parts of the unit can become very warm during use This is normal during operation Care should be taken to ensure that there is enough space around the unit for cooling at least 12 or 30cm Do not place the SMA 2130 on high temperature devices such as power amplifiers etc or the unit may overheat in operation Also do not place the unit on speakers as this may cause them to move and or fall due to speaker vibrations Although the unit s chassis is shielded against radio frequency RF and electromagnetic interference EMI extremely high fields of RF and EMI should be avoided POWER CONNECTION The SMA 2130 has an internal power supply and is designed to operate from an external AC source Power reguirements for electrical eguipment 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
10. 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 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 nady 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 WILL ALSO VOID THE WARRANTY AAN LJ DLO IC NADY SYSTEMS INC 6701 SHELLMOUND STREET EMERYVILLE CA 94608 Tel 510 652 2411 Fax 510 652 5075 www nady com
11. utrik Speakon outputs ground lift e Durable single rack space 1U steel casing switch e 2x 130W 4 Ohms 2 x 70W 8 Ohms Complete advanced safety reliability features soft start turn Bridge mono 220W amp 8 Ohms on noise free on off built in DC offset protection independent DC and thermal overload protection on each CONTENTS FEATURES ew icisnccs cccccsfcesdntanscntonncucnsavcuvescuccsvevecvncstandsnaunnasessacenvere 2 Dateof Purchase WARNING wisssessssssiciesseceesccascscsasiiadeccecceanseeanaiantcnecescaestieaavaiecreenes 3 Dealer s Name City INSTALLATION Musiiiiiiswu uw GEG U DYLYN YNO NY NNULURYDN Y YNN Y YNN YU UYN Add 4 State LEGAL INFORMATION sscssscsscccseseeeeeeeeseesesenenessseeesseens 4 Zip FRONT CONTROL AND CONNECTORS 5 Model REAR CONTROL AND CONNECTORS e nn 6 Serial SPECIFICATIONS vvscestaveccdveccdivsteacictantctnsiecndenccietectevceetvictansvainin 7 An equilateral triangle enclosing a lightening flash arrowhead symbol is intended to alert the user to the presence of uninsulated dangerous e7 ge voltage within the product s enclosure which may be of sufficient DO NOT OPEN magnitude to constitute a risk of electric shock ATTENTION RISGUE DE CHOC ELECTRIGUE NE PAS OUVRIR NO USER SERVICEABLE PARTS INSIDE the user to the presence of important operating and service instructions in CAUTIO
12. ype 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 liguids are not spilled through the enclosure s openings 10 The product should be serviced by gualified service personnel if The power supply cord or the plug has been damaged Objects have fallen into or liguid 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 mgowe INSTALLATION To ensure years of enjoyment from your NADY AUDIO SMA 2130 please read and understand this manual thoroughly before using the unit INSPECTION Your NADY AUDIO SMA 2130 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 Please note Nady Systems is not res
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