JBL S120PII service manual ¡ £

S120PII Studio Series

Dolby Pro Logic (Non-Digital) – Line Level

Use this installation method	in the “Normal” position. Do	terminals on your receiver or
for Dolby Pro Logic appli-	not use the “LFE” position	amplifier.
cations (not Dolby Digital, DTS	with Dolby Pro Logic-only	Make sure your receiver or
or other digital processing),	processors.
		processor is configured cor	-
where the receiver/processor
	Note: If your receiver or
		rectly: Make sure that the sub-
is equipped with a subwoofer
	amplifier only has one	woofer is configured as “On.”
output or a volume-controlled
	subwoofer output jack,	Note for advanced users: If
preamp (line-) level output:
	then you may connect the
		your receiver/processor has
Use RCA-type patch cords	subwoofer output on your
		a built-in low-pass crossover
to connect the line-level	receiver/preamplifier to either
		filter for the subwoofer output,
subwoofer outputs on your	the left or right Line Level
		then the LFE switch ™ should
receiver or amplifier to the	input ¶ on the subwoofer. It
		be set to the “LFE” position to
Line Level inputs ¶ on the	makes no difference which
		bypass the subwoofer’s
subwoofer. IMPORTANT:	jack you choose.
		internal crossover.
Make sure that the LFE toggle
	Connect each speaker to the
switch ™ on the subwoofer is
	corresponding speaker

¡ ™ £

			180°	LFE	ON
		PHASE				AUTO
RECEIVER			0°	NORMAL	OFF		¢
			80Hz
Subwoofer		CROSSOVER				LEVEL	∞
		FREQUENCY
Out	R
L		50Hz	150Hz	MIN	MAX
						LINE	§
		BASSQ					¶
						LEVEL IN
		(See owner’s				(For LFE
		manual	IN	OUT	R	use R or L)
		before use)				L
					L
						HIGH	•
						LEVEL
						IN
					R
			+	–
					L
						HIGH	ª
						LEVEL
						OUT
					R

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