Owners Manual
Page 2
... mono operating models with back-to get the most demanding sound reinforcement installation and touring applications. SPA SERIES STEREO POWER AMPLIFIER Congratulations on your new NADY AUDIO SPA 850/1400/2400 has superior performance and greater flexibility than any other amplifiers in its price range. FEATURES Offering top power, superior performance and full professional operating features...
... mono operating models with back-to get the most demanding sound reinforcement installation and touring applications. SPA SERIES STEREO POWER AMPLIFIER Congratulations on your new NADY AUDIO SPA 850/1400/2400 has superior performance and greater flexibility than any other amplifiers in its price range. FEATURES Offering top power, superior performance and full professional operating features...
Owners Manual
Page 3
..., or other servicing should be capable of the specified type, size, and correct rating. 8. Replace the fuse only with this unit. All other devices (including amplifiers) that will keep it level and stable and prevent wobbling. 4. The product should be referred to rain. The product has been exposed to qualified service...
..., or other servicing should be capable of the specified type, size, and correct rating. 8. Replace the fuse only with this unit. All other devices (including amplifiers) that will keep it level and stable and prevent wobbling. 4. The product should be referred to rain. The product has been exposed to qualified service...
Owners Manual
Page 4
... avoid audible distortion. 4. POWER SWITCH To turn down the level controls. POWER CONNECTOR The cord connector is set for the proper voltage for your power amplifier. (CAUTION: DO NOT REMOVE THE CENTER GROUNDING PIN.) 8. A cover plate is provided to your area: ~115V (60Hz) or ~230V (50Hz...ground loops. 9. GROUND LIFT SWITCH: Switch to right to disconnect the chassis from ground if necessary to see that channel of the amplifier. Connections are compatible with between uses. 10. LEVEL CONTROLS These control the level of this button. Turn these controls counterclockwise if ...
... avoid audible distortion. 4. POWER SWITCH To turn down the level controls. POWER CONNECTOR The cord connector is set for the proper voltage for your power amplifier. (CAUTION: DO NOT REMOVE THE CENTER GROUNDING PIN.) 8. A cover plate is provided to your area: ~115V (60Hz) or ~230V (50Hz...ground loops. 9. GROUND LIFT SWITCH: Switch to right to disconnect the chassis from ground if necessary to see that channel of the amplifier. Connections are compatible with between uses. 10. LEVEL CONTROLS These control the level of this button. Turn these controls counterclockwise if ...
Owners Manual
Page 5
... the unused side of the channels. for frequency content, such as that the speaker, connectors and wiring can handle this mode the amplifier can also be suitable. This limiting is needed to maintain the proper internal operating temperature. In this mode the amp produces 4 times...separate signals such as they are wired as Tip/Pin 3 = (+), Ring/Pin 2 = (-), and Sleeve/Pin 1 = Ground. MODE SELECTOR SWITCH The SPA Series amplifiers offer 3 modes of each channel can parallel this switch is 10K Ohms. Since the TRS phone jacks and XLR jacks are recommended as stereo playback...
... the unused side of the channels. for frequency content, such as that the speaker, connectors and wiring can handle this mode the amplifier can also be suitable. This limiting is needed to maintain the proper internal operating temperature. In this mode the amp produces 4 times...separate signals such as they are wired as Tip/Pin 3 = (+), Ring/Pin 2 = (-), and Sleeve/Pin 1 = Ground. MODE SELECTOR SWITCH The SPA Series amplifiers offer 3 modes of each channel can parallel this switch is 10K Ohms. Since the TRS phone jacks and XLR jacks are recommended as stereo playback...
Owners Manual
Page 6
... rack rails. Internal Fuses for SPA 850/1400 SPA 850 10A/250V (x2) SPA 1400 12A/250V (x2) both 3AG Fast Blow Internal Fuses for SPA 2400 SPA 2400 25A/250V (x2) both the inlet in the rear and the output in the front clear of the amplifier if the load seen by amplifier is less than 4 ohms and... the amplifier is from AC power to...
... rack rails. Internal Fuses for SPA 850/1400 SPA 850 10A/250V (x2) SPA 1400 12A/250V (x2) both 3AG Fast Blow Internal Fuses for SPA 2400 SPA 2400 25A/250V (x2) both the inlet in the rear and the output in the front clear of the amplifier if the load seen by amplifier is less than 4 ohms and... the amplifier is from AC power to...
Owners Manual
Page 7
CONNECTIONS The following wiring diagrams for the speaker connections you wish to make. (Note: Nady Systems assumes no liability for damaged speakers resulting from improper wiring, careless amplifier use, or over powering.) MICROPHONE INPUTS 21 3 Socket (female) Ground (Screen) Cold (-) (Out of three modes ... not connect a speaker load less than 2 ohms as it can damage your amplifier into stereo mode, first turn the amplifier off the amplifier power switch before making any connections. 2. The SPA Series amplifiers maybe operated in one of Phase Signal) Hot (+) (In Phase Signal) Input...
CONNECTIONS The following wiring diagrams for the speaker connections you wish to make. (Note: Nady Systems assumes no liability for damaged speakers resulting from improper wiring, careless amplifier use, or over powering.) MICROPHONE INPUTS 21 3 Socket (female) Ground (Screen) Cold (-) (Out of three modes ... not connect a speaker load less than 2 ohms as it can damage your amplifier into stereo mode, first turn the amplifier off the amplifier power switch before making any connections. 2. The SPA Series amplifiers maybe operated in one of Phase Signal) Hot (+) (In Phase Signal) Input...
Owners Manual
Page 8
... directly. Ch A Pin2+ = ChB Pin1+ and Ch A Pin2- = Ch B Pin1-) • Bridged Mono Mode To put the amplifier 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.... A signal into CH-A. The signal is input into any of power. Be sure that your amplifier.) (Note: This mode produces a large amount of the remaining input jacks. (Note: Do not connect a speaker load less than 2 ohms as shown...
... directly. Ch A Pin2+ = ChB Pin1+ and Ch A Pin2- = Ch B Pin1-) • Bridged Mono Mode To put the amplifier 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.... A signal into CH-A. The signal is input into any of power. Be sure that your amplifier.) (Note: This mode produces a large amount of the remaining input jacks. (Note: Do not connect a speaker load less than 2 ohms as shown...