Subwoofers OWNER'S MANUAL AND INSTALLATION GUIDE SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road • Folsom • California 95630 USA tel 916.351.1288 fax 916.351.
You have chosen a superior product for reproducing high "Sound Pressure Levels" in the car. This precision component, when properly installed, is capable of amazing output performance. The SPL10, SPL12 and SPL15 woofers are extremely high output speakers with performance made possible through outstanding design and exceptional quality in parts and construction. Should your woofer ever require service or replacement, recording the information below for your own records will help protect your investment.
105 100 95 90 85 80 75 70 65 60 55 50 dB Vented (Cont'd) • 1.0 ft3 @ 40Hz (4" x 14.25" port) - Small, versatile enclosure with good bass. Great for Rock music or home theater. 10 100 1000 Frequency Hz 105 100 95 90 85 80 75 70 65 60 55 50 dB • 1.0 ft3 @ 50Hz (4" x 8" port) - Small enclosure with good punch. Good for Rap or Rock. SPECIFICATIONS & THIELE/SMALL PARAMETERS 10 100 1000 • Rear = 1.0 ft3sealed • Front = 1.0 ft3 @ 55Hz (Two 4" x 14.
SELECTING AN ENCLOSURE Infinite Baffle Infinite baffle is the simplest type of subwoofer installation. In this type of installation, the woofer(s) is mounted to a baffle which is then mounted to either the rear deck or back seat of the vehicle. The best results are achieved when the trunk area is virtually airtight and isolated from the passenger compartment.
Sealed Bandpass Enclosure Sealed bandpass enclosures enclose both sides of the woofer(s). An airtight enclosure is built around the front and back of the woofer and one chamber is ported to a specific frequency.
ENCLOSURE VOLUME FLOWCHART M ea sure m axim um po ssib le dim ensio ns BUILDING THE ENCLOSURE • Determine the dimensions of your enclosure. • Be certain the box you have designed will fit into the location you have chosen. Sometimes making a cardboard box with the same outside dimensions is helpful. M ultiply wa ll thickness by 2 • Use 3/4 inch thick Medium Density Fiberboard (MDF) or High Density Particleboard. It is preferable to cut the wood with a table saw to ensure straight, even joints.
