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AMPLIFIERS

SPA Series

Stereo Power Amplifiers

O W N E R ’ S   M A N U A L

Summary of Contents for SPA 1400

Page 1: ...AMPLIFIERS SPA Series Stereo Power Amplifiers O W N E R S M A N U A L...

Page 2: ...0Hz AC select switch Clip and Signal LED indicators for each channel Durable double rack space 2U steel casing SPA 850 2 x 350W 4 2 x 425W 2 Bridge mono 600W 8 850W 4 SPA 1400 2 x 500W 4 2 x 800W 2 Br...

Page 3: ...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 no...

Page 4: ...ctual voltage gain of the amplifier is shown in dB Turn these controls counterclockwise if the peak LEDs illuminate steadily indicating too strong an input signal FRONT AND REAR CONTROLS 1 1 2 3 5 FRO...

Page 5: ...both channels to operate in parallel with the same signal and without requiring a Y cord In this mode the inputs for both channels are internally connected so that you only need to feed a signal into...

Page 6: ...he SPA Series amplifiers has backup internal fuse protection on each channel on the secondary output circuitry of the power transformer In almost all cases of power overload the external back panel ci...

Page 7: ...turn the amplifier off then slide the mode selector switch 13 to the center STEREO position and properly connect the input output wiring as shown Note Do not connect a speaker load less than 2 ohms as...

Page 8: ...r in bridged mono mode turn the amplifier off and slide the mode selector switch 13 toward the right BRIDGED position and properly connect the input output wiring as shown The signal is input into CH...

Page 9: ...10 BLOCK DIAGRAM...

Page 10: ...ront Power switch 40 detent input level control for each channel Rear Parallel Mono Bridge selector 30Hz filter selector clip ON OFF selector ground lift switch AC voltage selector switch AC breaker S...

Page 11: ...O product require service please contact the Nady Service Department via telephone at 510 652 2411 or e mail at service nadywireless com International For service please contact the NADY AUDIO distrib...

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