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The screen boost can be controlled automatically
by the Synthesis Three Home Media System or
Cinema Only System. It can also be left on per-
manently, or be disabled. If the S3-SPP is being
used with the Home Media System, find the
screen boost switch 3 located on the rear panel
(Fig. 2) and set it in the auto mode. In this mode,
the boost circuits will be activated while the sys-
tem is in the cinema mode and disabled in the
music mode.

If your screen is approved by THX, set the screen
boost switch to the off position.

If you are using the S3-SPP with another manufac-
turer’s home theater system, you may leave this
switch in the on position. In this case, the boost cir-
cuits will always be enabled, regardless of whether
the signal is a music source or cinema source.

Note: This unit comes configured with the
screen boost circuits activated for the center
channel only. If your front left and right speak-
ers are also mounted behind a perforated
screen, then perform the following:

Remove the top cover of the unit.

Near the front of the unit, directly behind the
screen boost controls, locate two jumpers
labeled “Screen Boost” (look at figure 3 if you
need help in finding these jumpers).

Remove the jumper and reposition it so that
the bottom two pins are connected by the
jumper.

Put the top cover back on.

SCREEN 
BOOST
JUMPERS

(FIGURE 3)

8

Summary of Contents for SYNTHESIS S3-SPP

Page 1: ...SYNTHESIS Model S3 SPP OWNER S MANUAL ...

Page 2: ... OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONAL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLAR IZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUT LET UNL...

Page 3: ...CATIONS 6 0 ___________SYNTHESIS LIMITED WARRANTY 7 0 ______CALIBRATION TEMPLATE JBL Synthesis System Owner s Manual 1994 Harman Consumer Group JBL and Synthesis are registered trademarks of JBL Incorporated All Rights Reserved Manual Designed by Harman Consumer Group Marketing Services Woodbury N Y JBL Consumer Products Inc 80 Crossways Park West Woodbury NY 11797 516 496 3400 8500 Balboa Bouleva...

Page 4: ...the product should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings 9 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products that produce heat If placed near an a...

Page 5: ...t has been exposed to rain or d The product does not appear to operate normally or exhibits a marked change in performance or e The product has been dropped or the enclosure damaged 19 Servicing The user should not attempt to service the product beyond that described in the operating instructions All other servicing should be referred to qualified service personnel NOTE TO CATV SYSTEM INSTALLER Th...

Page 6: ...e spacing allowing for precise frequency control and contouring Mono Subwoofer Graphic Equalizer with 1 6 octave spacing for fine tuning of the low frequencies Electronically switchable screen boost controls for Left Center and Right channels to compen sate for mounting speakers behind perforated screens High Frequency Contour controls for the front channels that improves frequency response Bypass...

Page 7: ...ROCESSING PACKAGE SDP 1 SURROUND PROCESSOR ADDITIONAL CONNECTIONS not shown above 1 5 pin din cable from SDP 1 CONTROL OPTION to S650 IN 2 5 pin din cable from S650 X OVER to S3 SPP SCREEN BOOST AND H F CONTOUR 3 5 pin din cable from S650 OUT to S400 IN 4 5 pin din cable from S650 SPKR 1 to Left Speaker MODE CONTROL Home Media System Only 5 5 pin din cable from S650 SPKR 2 to Right Speaker MODE CO...

Page 8: ... have purchased a JBL Synthesis Three Home Media System or Cinema Only System cables have been provided to simplify installa tion If you are using this product with another system consult with your JBL dealer to purchase the necessary cables After gathering the appropriate cables start by connecting the left front output of the S3 SPP to the designated front left input channel on the power amplifi...

Page 9: ...nt panel will glow Utilize these controls only if your front speakers are mounted behind such a screen To accurately set the screen boost settings it is necessary to know the frequency at which screen induced signal rolloff starts It is recommended that you talk to the manufacturer of the screen or ask your JBL Synthesis dealer POWER SIG GND LIFT CHASSIS GND 750 mA CLASS 2 EQUIPMENT MADE IN U S A ...

Page 10: ...c turer s home theater system you may leave this switch in the on position In this case the boost cir cuits will always be enabled regardless of whether the signal is a music source or cinema source Note This unit comes configured with the screen boost circuits activated for the center channel only If your front left and right speak ers are also mounted behind a perforated screen then perform the ...

Page 11: ...an fine tune this control If you are using this unit with another manufacturer s home theatre system then it is generally advised to leave this con trol in the 0dB position 5 Bypass Pressing this button will remove all equalization circuits from the audio path and will pass the input signals to the outputs unmodified When the bypass button is pressed its indicator light will glow 6 Ground Lift Swi...

Page 12: ...1 IHF IM 0 009 DIM 30 0 009 Signal to Noise 119dB ref 5vp p A weighting Dynamic Range 124dB Max out noise floor 38dBr 86dBr Channel Separation 50dB Power Supply Input 18 VAC w center tap Vrms Current 750mA Safety Agency Unit Class 2 Equipment Design Safety Extra Low Voltage U L Listing UL 813 Exempt CENELEC IEC 65 Exempt Remote Power Supply Model SPP IPS U L Listed E90493 C S A Certified LR91687 T...

Page 13: ...essary to return the product to the distributor or selling location in the same country Either way you ll need to present the original bill of sale to establish the date of purchase Please do not ship your JBL product to the factory without our prior authorization In the United States please call 1 800 336 4JBL for the location of the authorized warranty station nearest you If service under this w...

Page 14: ...Date ______________________ Owner _____________________ Installer ____________________ 7 0 CALIBRATION TEMPLATE 12 7 0 CALIBRATION TEMPLATE ...

Page 15: ......

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