JBL P-4040, P-4020 owner manual This wiring diagram

MADE IN THE U.S.A.

SPEAKER OUTPUTS

		BRIDGE			FUSE		POWER
–	L	–+	R	+	20A	+BATT	REM	GND
					0
					2

INPUT MODE	2V
	XOVER
MO ST	LP HP FLAT
	4V LEVEL .250V

Figure 1. This wiring diagram shows a JBL P-4020 amplifier set to stereo to drive a pair of full-range speakers.

MADE IN THE U.S.A.

SPEAKER OUTPUTS

FRONT	– L + BRIDGE – R +	F U S E	+BATT	POWER
		3 0 A		REM	GND
		30
REAR	B R I D G E

2V	FRONT
INPUT MODE	XOVER
MO ST	LP HP FLAT

4V LEVEL .250V

Figure 4. In this example system, the front channels of a P-4040 drive a pair of 5-1/4" 2-way speak- ers, and the rear channels are bridged to drive a single 12" woofer.

PRE OUT			INPUT	2V	REAR
F+R	REAR	FRT			XOVER	INPUT MODE
FLAT	LP	LP	FRT REAR		FLAT HP LP	ST MO
				4V LEVEL .250V

MADE IN THE U.S.A.

SPEAKER OUTPUTS

		BRIDGE			FUSE		POWER
–	L	–+	R	+	20A	+BATT	REM	GND
					0
					2

INPUT MODE	2V
	XOVER
MO ST	LP HP FLAT
	4V LEVEL .250V

Figure 2. This wiring dia- gram shows a JBL P-4020 amplifier set to bridge mode (mono) to drive a single subwoofer.

MADE IN THE U.S.A.

SPEAKER OUTPUTS

		BRIDGE			FUSE		POWER
–	L	–+	R	+	20A	+BATT	REM	GND
					0
					2

	INPUT MODE		2V	XOVER
	MO	ST		LP HP FLAT
		4V LEVEL .250V
MADE IN THE U.S.A.
SPEAKER OUTPUTS			POWER
FRONT – L + BRIDGE – R +	F U S E	+BATT
	3 0 A		REM	GND

LINE LEVEL		SPKR LEVEL IN
INPUT		REAR		AUX
FRONT	REAR	+ R –	– L +	OUT
L				L
		+ R –	– L +
R		FRONT		R
LINE LEVEL		SPEAKER LEVEL IN		AUX
INPUT				OUT
		+	+
L		R	L	R
		–	–
R				L

MADE IN THE U.S.A.

SPEAKER OUTPUTS			POWER
BRIDGE		FUSE
–L–+R	+	20A	+BATT REM GND
		2 0		Figure 3. This wiring diagram
				shows a JBL P-4020 amplifier set
				for tri-mode operation. For a
				desired crossover frequency, use
				the chart on page 4 to select an
				inductor for the subwoofer, and
				corresponding capacitors for left
			2V	and right speakers.

	30
REAR	B R I D G E
	2V	FRONT
	INPUT MODE	XOVER
	MO ST	LP HP FLAT

4V LEVEL .250V

PRE OUT			2V	REAR
F+R	REAR FRT	INPUT		XOVER	INPUT MODE
FLAT	LP LP	FRT REAR		FLAT HP LP	ST MO
			4V LEVEL .250V

INPUT MODE	XOVER
MO ST	LP HP FLAT

4V LEVEL .250V

Figure 5. In this expanded system, a JBL P-4040 drives two pairs of 6-1/2" 2-way speakers. The JBL P-4040’s pre-amp outputs feed a JBL P-4020 to drive a single 12" subwoofer in bridge mode.

6