Summary of the content on the page No. 1
Subwoofers
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OWNER’S MANUAL AND
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INSTALLATION GUIDE
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UNDSTREAM’
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T E C H N 0 L 0 G i E S
SOUNDSTREAM TECHNOLOGIES
120 Blue Ravine Road l Folsom l California 95630 USA
UNDSTREAM@
tel 916.351 .I 288 fax 916.351.0414
(REV A, 7/22/97)
T E H
C Iv 0 L ,O G I E S
Summary of the content on the page No. 2
SPL15 and SPL160 SUBWOOFER CONGRATULATIONS! You have chosen a superior product for reproducing high levels of "Sound Pressure Level" in the car. This precision component, when properly installed, is capable of amazing output and home theater applications. performance. The SPL15 and SPL160 woofers are well - suited for sealed, ed, and sealed bandpass enclosures. They also work well in infinite baffle installations at one - half the power rating. SUGGESTED ENCLOSURES (
Summary of the content on the page No. 3
Preliminary SPECIFICATIONS & THIELE/SMALL PARAMETERS SPECIAL DESIGN FEATURES! Frequency Response (Hz) - - • Custom-designed Cast Frame Basket Sensitivity (2.83v/1m) alignment of the voice coil. 2 2 Impedance (nominal Z, ohms) • Custom chrome top and back plates for show - quality installations in any Rated Program Power, Watts • Nearly 2 1/2" peak-to-peak maximum excursion for producing awesome Fs (Hz) sound levels with just a single woofer! .33 .33 Qts
Summary of the content on the page No. 4
SELECTING AN ENCLOSURE There are seve ral different enclosure designs for different applications. The SPL subwoofers work very well in all the following enclosure designs. It is up to you to select the specific enclosure that will work SUGGESTED ENCLOSURES (Continued) the best for your particular application. Infinite Baffle Sealed Bandpass Infinite baffle is the simplest type of subwoofer installation. In this type • of installation, the woofer(s) is mounted to a baf
Summary of the content on the page No. 5
Sealed Bandpass Enclosure woofer(s). An airtight enclosure is built around the front and back of SUGGESTED ENCLOSURES Pros Cons Infinite Baffle • • • Excellent performance for all types of music at moderate levels • • r- Sealed SEALED BANDPASS a t • 3 • 1.5 ft - Good linear response, excellent small enclosure. the woofer and one Excellent for high SPL, multiple driver applications. chamber is ported to a specific frequ 3 • 2.0 ft - Good
Summary of the content on the page No. 6
ENCLOSURE VOLUME FLOWCHART BUILDING THE ENCLOSURE M e a s u r e m a x i m u m p o s s i b l e d i m e n s i o n s • 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 u l t i p l y w a l l t h i c k n e s s b y 2 • Use 3/4 inch thick Medium Density Fiberboard (MDF) or High Density Particleboard. It is preferable to cut the wood w
