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OPERATION AND |
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CONTROLS |
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3.1 S7150
1. Power Switch
Pushing this button is all that is required to turn on the S7150 if it is not part of a Synthesis system and the Manual On/Auto On switch (rear panel) is in the Manual On position. If the amplifier is used as part of a JBL Synthesis System, and the Manual On/Auto On switch is in the Auto On position, the amplifier will turn on when the surround processor is activated. The front panel pushbutton power switch is left in the ON (in) position.
2. Standby Indicator (red)
This indicator, immediately above the front panel power switch, will glow red when the amplifier is in the "standby" mode, whether operating as part of a Synthesis system or not. When the S7150 is in the "operate" mode, this light will shut off and the blue "operate" mode indicators will light..
3. Power Indicators (blue)
These indicators will light up when the power amplifier is in the "operate" mode. Each monitors the operation of one channel, and will extinguish if that channel’s protective circuit is activated.
4.Input Jacks (Ch.1 thru Ch.7) (see page 11) Seven of the output signals from the Synthesis digital processor and equalizer are connected to the seven input jacks. We suggest the channels be assigned as follows:
Ch. 1 | Right Rear (Processor) | Ch. 5 | Left Front (Equalizer) |
Ch. 2 | Right Side (Equalizer) | Ch. 6 | Left Side (Equalizer) |
Ch. 3 | Right Front (Equalizer) | Ch. 7 | Left Rear (Processor) |
Ch. 4 | Center (Equalizer) |
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5. Speaker Terminals (see page 11)
Connect the speakers to these terminals, following the normal convention; wire the "+" side of the speaker to the red terminal, and the
NOTE: The minimum load impedance that this amplifier can handle safely is two ohms per channel. Using lower impedance loads can damage the unit and will void your warranty!
Wire Run Length | Rec. Ga. |
Wire Run Length | Minimum Gage |
Up to 20' | 16 |
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Up to 50' | 14 |
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Up to 100' | 12 |
10
