JBL SCS 188 manual Use this installation method for

Dolby Pro Logic (Non-Digital) – Line Level (SCS 178 and SCS 188)

Use this installation method for				output, or a volume-controlled				level inputs on the subwoofer.
Dolby Pro Logic appli-cations				preamp (line-) level output:				IMPORTANT: Do not use the
(not Dolby Digital, DTS® or				Use RCA-type patch cords				LFE input on the subwoofer
other digital processing), where				to connect the line-level				with Dolby Pro Logic
the receiver/processor is				subwoofer outputs on your				processors. Note: If your
equipped with a subwoofer				receiver or amplifier to the line-				receiver or amplifier only has
								one subwoofer output jack,
Left Front			Center			Right Front		then you will need to use a Y-
+	–		+	–		+	–	connector (not included). Plug
								the male end of the Y-
								connector into your receiver or
			Subwoofer					amplifier’s subwoofer output
								jack, and connect each of the
			Line-
			Level In					two female ends to separate
			L
								RCA-type patch cords. Finally,
			R					plug the RCA-type patch cords
			Receiver					into the line-level inputs on the
								subwoofer.
		Left	Subwoofer		Right
								Connect each speaker to the
	Front		Out		Front
	+	–	R	L	+	–		corresponding speaker
								terminals on your receiver or
			+	–
								amplifier.
		Left	Center		Right
			Surround Back
	Surround				Surround
	+	–	+	–	+	–
Left Surround			Surround Back			Right Surround
+	–		+	–		+	–
		Only in 6.1 systems

Dolby Digital or DTS® (or Other Digital Surround Mode) Connection (SCS 178 and SCS 188)

RECEIVER	SUBWOOFER		output or subwoofer output	front right, center and rear
	LINE LEVEL IN		on your receiver or amplifier.	speakers should all be set to
		L	Connect each speaker to the	“Small.”
LFE OUT	LFE INPUT
			corresponding speaker	If your receiver allows you to
		R
			terminals on your receiver or	set the crossover frequency
			amplifier.	between the subwoofer and the
Use this installation method for			Make sure that you have	main speakers, select either
Dolby Digital, DTS® or other			configured your surround-	120Hz or 150Hz, or select the
digital surround processors:			sound processor for	setting that is the closest
Use the line-level input jack			“Subwoofer On.” The surround	frequency below these.
marked “LFE” for the Low-			receiver should be configured
Frequency Effects channel.			for 6.1-channel operation
6Connect this jack to the LFE			(if available) and the front left,