CONNECTIONS
The following instructions describe the most common ways to install your amplifier into a sound system.
1.Turn off the amplifier power switch before making any connections.
2.The SPA Series amplifiers maybe operated in one of three modes (stereo,
(Note: Nady Systems assumes no liability for damaged speakers resulting from improper wiring, careless amplifier use, or over powering.)
Input Wiring Tips
MICROPHONE INPUTS
2 | 1 | 1 | 2 |
| 3 | Ground (Screen) | 3 |
|
| ||
|
| Cold |
|
|
| (Out of Phase Signal) |
|
|
| Hot (+) |
|
|
| (In Phase Signal) |
|
Socket (female) | Plug (male) | ||
UNBALANCED USE OF
MONO 1/4” PLUGS
Tip =
Signal
Sleeve =
Ground/Shield
Tip
Sleeve
Strain relief clamp
BALANCED USE OF STEREO 1/4” PLUGS
Tip = hot (+)
Ring = cold
Sleeve =
Ground/Shield
Tip
Ring
Sleeve
Strain relief clamp
• Stereo (Two-Channel) Mode
To put the amplifier into stereo mode, first 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 it can damage your amplifier.)
CHANNEL B
CHANNEL A
CHANNEL B |
|
PIN 1+ | + |
PIN 1- | - |
CHANNEL A | + |
PIN 1+ | |
PIN 1- | - |
(Note: You can also connect both channel outputs to the Channel A Speakon™. Ch A Pin2+ = ChB Pin1+ and Ch A Pin2- = Ch B
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