RECEIVER/PREAMPLIFIER
Subwoofer
Output/LFE

Analog Receiver/Processor – Line-Level Connections

Use this installation method with an analog receiver/ processor that does not have digital processing or bass management, and that is equipped with a full-range subwoofer output or a volume- controlled preamp (line-) level output:

Use RCA-type interconnect cables to connect the line- level subwoofer outputs on your receiver or amplifier to the line-level inputs on the subwoofer.

IMPORTANT: Make sure that the LFE toggle switch on the subwoofer is in the “Normal” position. Do not use the “LFE” position with Dolby* Pro Logic*-only processors.

Note: If your receiver or amplifier has only one sub- woofer output jack, then you

may connect the subwoofer

 

 

 

 

output on your receiver/pre-

 

 

 

 

amplifier to either the left or

 

 

 

 

right line-level input on the

 

 

 

 

subwoofer. It makes no differ-

 

LEVEL

 

ence which jack you choose.

 

 

Min

Max

Connect each speaker to

 

 

LFE

NORMAL

 

 

 

 

the corresponding speaker

 

 

PHASE

180º

terminals on your

 

 

 

 

 

 

receiver or amplifier.

 

 

CROSSOVER

 

 

 

 

 

Make sure your receiver

 

 

FREQUENCY

 

 

 

 

 

RECEIVER

 

50Hz

150Hz

or processor is config-

 

 

 

 

Subwoofer

 

 

ured so that the sub-

Out

 

 

 

L

 

R

L

R

woofer is “On.”

 

 

LINE LEVEL IN

 

Note for advanced

 

 

 

 

 

For LFE use L or R

users: If your receiver/

 

 

 

 

 

 

processor has a built-in low-

 

 

 

L

pass crossover filter for the

 

 

 

HIGH

 

 

 

LEVEL

subwoofer output, then the LFE

 

 

 

 

IN

switch should be set to the

 

 

+ –

R

“LFE” position to bypass the

 

 

 

subwoofer’s internal crossover.

Digital Receiver/Processor – LFE Connection

Use this installation method for Dolby Digital, DTS® or other digital surround processors that have bass-management programming, or for analog receivers/processors that have a filtered subwoofer output:

IMPORTANT: Make sure that the LFE toggle switch on the subwoofer is in the “LFE” position. Use the line-level input jacks for the Low- Frequency Effects channel. Connect these jacks to the LFE output or subwoofer output on your receiver or amplifier.

Note: If your receiver or ampli- fier has only one subwoofer output jack, you may connect the subwoofer output on your receiver/preamplifier to either

the left or right line-level input on the subwoofer. It makes no difference which jack you choose.

Connect each speaker to the corresponding speaker terminals on your receiver or amplifier.

Make sure that you have configured your surround sound processor for “Subwoofer On” or “LFE On.” The front, center and surround speakers should be

set to “Small” or “Large” depending on their size and frequency response. Consult your receiver’s or processor’s owner’s manual.

LEVEL

Min Max

LFE NORMAL

PHASE

180º

CROSSOVER

FREQUENCY

50Hz150Hz

L R

LINE LEVEL IN

For LFE use L or R

L

HIGH

LEVEL

IN

R

+ –

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JBL E150P, E250P manual Analog Receiver/Processor Line-Level Connections, Digital Receiver/Processor LFE Connection