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QSC TECHNICAL SERVICES DEPARTMENT

1675 MacArthur Blvd

Costa Mesa, CA  92626

Telephone:

(800) 772-2834
(714) 957-7150
(714) 754-6175

Fax:

(714) 754-6173

Bulletin Board:

(714) 668-7567
(800) 856-6003

INTERNATIONAL SERVICING

For QSC products that are purchased outside of the United States, service must be referred to the distributor
or dealer from where the product was purchased.  There are numerous service centers in many countries.
The service centers in your country may be located by your dealer, distributor, or by contacting QSC
Technical Services.

APPENDIX C: IMPORTANT ADDRESS AND TELEPHONE
INFORMATION

Factory address:

QSC Audio Products, Inc.
1675 MacArthur Boulevard
Costa Mesa, California 92626-1468

USA

Factory telephone numbers:

Main Number

(714) 754-6175

Sales Direct Line

(714) 957-7100

Sales

(800) 854-4079

(toll-free in U.S.A. only)

Sales & Marketing FAX

(714) 754-6174

Customer Service

(714) 957-7150

Customer Service

(800) 772-2834

(toll-free in U.S.A. only)

Customer Service FAX

(714) 754-6173

QSC OnLine

(714) 668-7567
(800) 856-6003

Summary of Contents for SF-1

Page 1: ...9 SF 1 Subwoofer Filter Rev A Owner s Manual FPO...

Page 2: ...10...

Page 3: ...is detailed below The use of the SF 1 for cinema subwoofer installations can reduce the chance of speaker damage by digital soundtracks Low frequency information below the box tuning frequency can de...

Page 4: ...desire Typical frequencies available with the provided SIP resistor networks are 100 135 160 200 and 250 Hz Consult your subwoofer manufacturer if you are unsure of what frequency to use Whatever fre...

Page 5: ...bwoofer engage the filtering Typical cinema subwoofers are an exception the low pass filter should be bypassed in this application as cinema processors typically perform this function Position 5 ON if...

Page 6: ...to the ribbon connector on the input panel card The ribbon cable attaches to J4 on the SF 1 figure 2b The connectors are keyed make sure they line up properly and the ribbon cable is not twisted befo...

Page 7: ...rth Q 0 707 LPF and unboosted subsonic filter second order 6 dB boost Q 2 boosted subsonic filter DIP SWITCH FUNCTIONS TABLE 3 DIP SWITCH SW2 Mode 1 2 3 4 5 6 7 8 9 10 Mono Sum OFF ON ON OFF Stereo ON...

Page 8: ...Surround channels may benefit from the use of a high pass filter at 80 Hz also installed in position RN3 For cinema subwoofers that require an EQ boost use the following switch settings SW1 slide swit...

Page 9: ...e components in your unit are QSC specific parts that require QSC replacements Comprehen sive service manuals for some models are available at QSC TECHNICAL ASSISTANCE If you suspect that your amplifi...

Page 10: ...many countries The service centers in your country may be located by your dealer distributor or by contacting QSC Technical Services APPENDIX C IMPORTANT ADDRESS AND TELEPHONE INFORMATION Factory addr...

Page 11: ...11...

Page 12: ...ODUCTS INC 1675 MacArthur Blvd Costa Mesa CA 92626 USA Ph 714 754 6175 Fax 714 754 6174 Email INFO qscaudio com Web http www qscaudio com QSC and the QSC logo are registered with the U S Patent and Tr...

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