Polk Audio PA400.1 owner manual Rear Panel Connections, Phone Line Cord Remote Volume Module

10. Battery and ground connections to the vehicle should	(remember that the amp can’t deliver full output if the
be made with crimped ring terminals of the appropriate	power supply is restricted.) Proper grounding of the
size (surface area is what counts;) soldering the termi-	signal source is mandatory for the amplifier to reach
nals after crimping is also recommended.	its performance peak. If the RCA inputs are not grounded
11. Due to the high-frequency MOSFET switching power	adequately via the signal source, electrical noise from
	the vehicle may be picked up in the system.
supply, filtering the power cable is not generally required

FIGURE 1a—

AMPLIFIER CONNECTIONS/CONTROLS—FRONT (PA400.1/PA600.1/PA1200.1)

		ENGLISH
9. Phase Switch—0° or 180° selectable for switching	11. Status LED—Will illuminate GREEN to indicate the
the phase output to the woofer.	amplifier is on and operating normally, and will be
10. LED/FAN Connector—Allows connection of an	illuminated RED if the amplifier shuts down due to
optional cooling fan for the amplifier.	short circuit, DC offset, or overheating detected by
	onboard protection circuitry.
FIGURE 2—LED/FAN HARNESS
BLACK	_
BLUE		TO LEDs
BLACK	+
	_
RED		TO FAN
	+
REAR PANEL CONNECTIONS

1.Fuses—These fuses protect the amplifier against internal electrical damage and are meant to protect the amplifier only. All other power connections should be fused at the source. The PA400.1 uses 2-25A fuses, the PA600.1 uses 2-30A fuses and the PA1200.1 uses 3-40A fuses.

2.(+) 12 Volt Power—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 system 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.Remote Turn On—This terminal turns on the amplifier when (+) 12 volt is applied to it. Connect it to the remote turn on lead of the head unit or signal source.

4.Ground—Connect this terminal directly to the sheet metal chassis of the vehicle, using the shortest wire necessary to make this connection. Always use wire of the same gauge or larger than the (+) 12 volt power wire. The chassis connection point should be scraped free of paint and dirt. Use only quality crimped and/or soldered connectors at both ends of this wire. DO NOT connect this terminal directly to the vehicle battery ground terminal or any other factory ground points.

5.Speaker Terminals—Connect subwoofers to these terminals. (Refer to the Speaker Wiring Diagrams section of this guide.)

FIGURE 1b—

REMOTE

Remote—Controls the subwoofer amplifier gain, from

a remote location for ease of adjustment during listening. Warning: DO NOT connect a level control knob from other manufacturers to the Remote Sub Level Control of any Polk Audio amplifier. Even though the connectors fit properly, the control knob and connector pin positions may be differ- ent and the amplifier will be damaged.

FRONT PANEL CONNECTIONS/CONTROLS

1.RCA Input Jacks—Accepts line level outputs from head units or signal processors at voltages between 150mV and 7.5 volts.

2.RCA Line Output Jacks—These pass through RCA jacks can be used to send the input signal to a second amplifier.

3.Slave/Master Switch—Controls whether the amplifier is a slave or master when connected in combined amplifier configurations. (Refer to the Combined Amplifiers section of this guide.)

4.Gain Control—Controls the amplifier’s sensitivity and is used to match the input level of the amplifier to the output level of the signal source.

Phone Line Cord

Remote Volume Module

5.Subsonic Switch—The subsonic filter attenuates frequencies below 30Hz by 24dB per octave.

6.Bass EQ Switch—Adds 8dB of bass boost to the subwoofer when selected.

7.Remote—Controls the subwoofer amplifier gain, from a remote location for ease of adjustment during listening.

Warning: DO NOT connect a level control knob from other manufacturers to the Remote Sub Level Control of any Polk Audio amplifier. Even though the connectors fit properly, the control knob and connector pin positions may be different and the amplifier will be damaged.

8.LPF Control—Controls low pass filter cutoff from 30Hz to 250Hz.

FIGURE 3—AMPLIFIER CONNECTIONS—REAR (PA400.1/PA600.1/PA1200.1)

PA400.1

PA600.1

PA1200.1

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