2.RCA Input Channels 1 through 4 - accepts RCA input from a head unit, pream- plifier, or equalizer. These inputs are configured by the Input Mode switch posi- tion (refer to item 11 below).
3.RCA Line Output - provides easy connection to additional amplifiers.
4.Gain Control - continuous adjustment for full power output. The upper control is for channels 1/2 and the lower control is for channels 3/4.
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6.Remote Bass Input - connects optional
7.LPF
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9.HPF
10.Power LED - when illuminated (green) indicates that the amplifier is on.
Protect LED - when illuminated (red) indicates that the amplifier protective cir- cuitry has been activated due to thermal, output short, supply undervoltage or supply overvoltage.
11.Input Mode - 1/2 channel or 3/4 channel selectable. In the 1/2 CH position, the input to channels 1 and 2 are also supplied to channels 3 and 4, respectively. In the 3/4 CH position all 4 channels are supplied separately When the switch is to the left (4 CH position), front and rear inputs are independent. This allows a source unit with an internal fader to fade between the 1/2 CH and 3/4 CH outputs.
HP4600 Connections
1 | 2 | 3 | 4 | 5 | 6 |
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| SPEAKER | SPEAKER | ||
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| BRIDGE | BRIDGE | ||
FUSE | +BAT | REM | GND | 1CH + 1CH - | 2CH + 2CH - | 3CH + 3CH - | 4CH + 4CH - | ||||
1.ATC Fuse - (2)
2.+BAT - connect this terminal through a FUSE or CIRCUIT BREAKER to the positive terminal of the vehicle battery or the positive terminal of an isolated audio sys- tem battery.
WARNING: Always protect this power wire by installing a fuse or circuit breaker of the appropriate size within 12 inches of the battery terminal connection.
3.REM - this terminal turns on the amplifier when (+) 12 volt is applied. Connect it to the remote turn on lead of the head unit or signal source. If a (+) 12 volt remote turn lead is not available, a Remote Power Adapter (P/N #55000) can be used to
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