Instruction/ maintenance manual of the product SPM42504 Nady Systems
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POWERED MIXER OWNER’S MANUAL SPM-4250 4-Channel Stereo Power ed Mixer .
SPM-4250 4 Channel Stereo Powered Mixer Congratulations on your choice of the NADY AUDIO SPM-4250 Stereo Powered Mixer — you have purchased one of the finest stereo powered mixing units on the market today . This unit was developed using the expertise of professional sound engineers and working musicians.
IMPORT ANT SAFETY INSTRUCTIONS W ARNING A TTENTION : RISQUE DE CHOC ELECTRIQUE NE P AS OUVRIR An equilateral triangle enclosing a lightening 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.
INST ALLA TION 4 T o ensure years of enjoyment from your NADY AUDIO SPM-4250 powered mixer , please read and understand this manual thoroughly before using the unit. 1. INSPECTION Y our NADY AUDIO SPM-4250 was carefully packed at the factory in packaging designed to protect the units in shipment.
5 FRONT CONTROLS AND CONNECTIONS CHANNEL SECTION (1) MIC INPUT This electronically balanced XLR input is designed to accept signals from any balanced or unbalanced low impedance (Low Z) microphone. The XLR jack is configured for: Pin1 = ground, Pin2 = positive (+), Pin3 = negative (-).
6 FRONT CONTROLS AND CONNECTIONS (10) 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.
7 FRONT CONTROLS AND CONNECTIONS MASTER SECTION (10) POWER ON/OFF SWITCH This switch turns the unit on and off. The SPM-4250 uses relays to ensure quiet turn-on and turn-off. (11) 48V PHANTOM POWER LED Lights to indicate when 48V phantom power is turned on.
REAR CONTROLS AND CONNECTIONS 8 (25) PHANTOM POWER ON/OFF SWITCH When this switch is depressed, +48V of phantom power will be supplied to the XLR mic inputs. (26) SPEAKER OUTPUT JACKS The left and right 1/4" speaker outputs can deliver up to 125W RMS per side to 4 Ω loads.
CONNECTIONS 9 This NADY AUDIO mixer uses 4 different types of audio connectors for the various input/output connections: (1) XLR balanced; (2) 1/4” TRS phone jacks for balanced, unbalanced, stereo, or in/out inserts; (3) 1/4” TS unbalanced; (4) RCA pin unbalanced Figures 1.
SPECIFICA TIONS 1. INPUT SECTION 2. OUTPUT SECTION 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.
11 NOTES .
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) 652-241 1, 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.
An important point after buying a device Nady Systems SPM42504 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nady Systems SPM42504 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nady Systems SPM42504 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nady Systems SPM42504 you will learn all the available features of the product, as well as information on its operation. The information that you get Nady Systems SPM42504 will certainly help you make a decision on the purchase.
If you already are a holder of Nady Systems SPM42504, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nady Systems SPM42504.
However, one of the most important roles played by the user manual is to help in solving problems with Nady Systems SPM42504. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nady Systems SPM42504 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center