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1. Set the gain to MIN, Phase to NORM, LPF to CENTER before switching on the system.
2. Set the Bass/Treble adjustment to zero on the head unit. Set the volume to your average
listening level. It may help to use a music source that is familiar.
3. Next, gradually increase the gain level. Increase the level to the point where the sound of
your system, as a whole, is balanced. If the gain level is set too high, the subwoofer may
begin to distort. Distortion may also occur if the volume is set too high on the head unit.
Check that the other speakers have not begun to distort, before proceeding with the
adjustment. If the entire speaker system in the car is distorting, reduce the volume of the
head unit.
4. Once the gain has been set, adjust the L.P.F (Low Pass Filter) at a frequency which
compliments your speaker system. (We recommend using CENTER as a starting point.)
5. Adjusting the L.P.F will change the output volume of the subwoofer. Repeat procedures 3
and 4 until the ideal setting is found.
6.
ALPINE ELECTRONICS DE ESPAÑA, S.A.
Portal de Gamarra 36, Pabellón, 32
01013 Vitoria (Alava)-APDO 133, Spain
Phone 945-283588
ALPINE ELECTRONICS MARKETING, INC.
1-1-8 Nishi Gotanda,
Shinagawa-ku,
Tokyo 141-0031, Japan
Phone 03-5496-8231
ALPINE ELECTRONICS OF AMERICA, INC.
19145 Gramercy Place, Torrance,
California 90501, U.S.A.
Phone 1-800-ALPINE-1 (1-800-257-4631)
ALPINE ELECTRONICS OF CANADA, INC.
7300 Warden Ave., Suite 203, Markham,
Ontario L3R 9Z6, Canada
Phone 1-800-ALPINE-1 (1-800-257-4631)
ALPINE ELECTRONICS OF AUSTRALIA PTY. LTD.
6-8 Fiveways Boulevarde Keysborough,
Victoria 3173, Australia
Phone 03-9769-0000
ALPINE ELECTRONICS GmbH
Frankfurter Ring 117,
80807 München, Germany
Phone 089-3242640
ALPINE ELECTRONICS OF U.K. LTD.
Alpine House
Fletchamstead Highway, Coventry CV4 9TW, U.K.
Phone 0870-33 33 763
ALPINE ELECTRONICS FRANCE S.A.R.L.
(RCS PONTOISE B 338 101 280)
98, Rue de la Belle Etoile, Z.I. Paris Nord Il,
B.P. 50016, 95945 Roissy Charles de Gaulle
Cedex, France
Phone 01-48638989
ALPINE ITALIA S.p.A.
Viale C. Colombo 8, 20090 Trezzano Sul
Naviglio (MI), Italy
Phone 02-484781
4. ADJUSTMENT
The final adjustment is the PHASE of the subwoofer. While sitting in the driver’s seat and with
music playing, switch between NORM and REV. Select the setting which sounds better – The
ideal PHASE setting varies from car to car, depending on the location of the subwoofer and
the acoustic characteristics of the vehicle interior.
EN