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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. Balanced XLR input connections
2. Stereo headphone connection with 1/4” TRS plug
3. 1/4” mono (TRS) plug used as unbalanced input/output
4. 1/4” stereo (TRS) plug used as balanced input/output
5. RCA pin plug for unbalanced input/output

Summary of Contents for SPM-4250

Page 1: ...SPM 4250 P O W E R E D M I X E R 4 Channel Stereo Powered Mixer O W N E R S M A N U A L...

Page 2: ..._ _____________________ Zip______________________ Model _____________________________________________ Serial _ ____________________________________________ FEATURES TABLE OF CONTENTS FEATURES 2 WARNIN...

Page 3: ...he 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 vent...

Page 4: ...r cooling Also do not place the SPM 4250 on high temperature devices such as power amplifiers etc or the unit may overheat in operation Although the unit s chassis is shielded against radio frequency...

Page 5: ...The GAIN control adjusts the input sensitivity of the mic and line inputs on each channel This control can be adjusted to accommodate input signals from a wide variety of sources from the high outputs...

Page 6: ...pre fader listen control adjusts the volume of the mono signal sent to the HEADPHONES 22 provided the master section PFL SWITCH 23 is enabled The signal is post EQ 5 and independent of the channel VOL...

Page 7: ...s in the master mix The red PEAK LED will light when the output signal is just below clipping It is acceptable if the red LED lights occasionally If the red LED lights more than occasionally you shoul...

Page 8: ...NECTOR The IEC socket is used to connect the power cord to an AC power source Caution Do not remove the center grounding pin 28 FUSE COMPARTMENT Replace with only the same type fuse as listed in the S...

Page 9: ...TRS phone jacks for balanced unbalanced stereo or in out inserts 3 1 4 TS unbalanced 4 RCA pin unbalanced Figures 1 Balanced XLR input connections 2 Stereo headphone connection with 1 4 TRS plug 3 1 4...

Page 10: ...OWER OUT 8 BOTH CHANNELS DRIVEN 105W RMS per side 4 BOTH CHANNELS DRIVEN 125W RMS per side FREQUENCY RESPONSE 10Hz 20KHz 3dB 5 GENERAL POWER REQUIREMENTS Voltage selectable 115VAC 60Hz or 230VAC 50Hz...

Page 11: ...artment 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 ship...

Page 12: ...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 brie...

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