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R
ALPHASONIK
Owner's Manual
Alpha 800 Series
Subwoofers
PSW810E / PSW812E / PSW815E
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ALPHASONIK WAS FOUNDED IN 1976 WITH ONE MISSION, TO BRING STATE OF THE ART PERFORMANCE TO THE CAR AUDIO ENTHUSIAST. In those early years we pioneered such ground-breaking technologies as amplifier fan cooling and high voltage signal transfer which remain a benchmark in high-end audio. Today, the new Alphasonik is committed to pushing the envelope with regard to technology, quality and value. Our electronics feature audio- phile parts and circuit topology designed to let the full musical ex
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T A B Introduction.................................................................................3 L E O Features and Specifications....................................................4-5 F C Building an Enclosure............................................................6-10 O N T Subwoofer Parameters.............................................................11 E N Wiring Diagrams..................................................................12-14 T Troubleshooting...................
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I N Thank you for purchasing this Alphasonik product. Alpha- T sonik products are specifically engineered and designed for the mobile R audio environment. This manual contains important information about O installation, set-up procedures and integrating your new Alphasonik D product into your vehicle. With proper care and installation, your new U product will provide you with many years of high performance listening enjoyment. We recommend having an Authorized Alphasonik Dealer C i
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All Alphasonik 800 Series cast basket subwoofers feature our patent pending F input and output terminals. Configure voice coils or drivers in series or parallel E with no fuss and no cramped or frayed wires. Terminals are audiophile grade A nickel-plated, machined brass – compression fit with Allen head setscrews T U PROPRIETARY HEAT SINK R All Alphasonik 800 Series subwoofers have motor structures encased in pat- ent pending, cast aluminum, machine finished heat sinks. Power handling is E
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F PSW812E E 12” ALPHA 800 SERIES SUBWOOFER A Proprietary Cast Aluminum Alloy Machine Cut “Alpha” Basket T Proprietary Cooling Rings for Motor Assembly (Patent Pending) U Kevlar® Reinforced Composite Balanced & Laminated Cone R High Tensile Strength Two-Layer Surround for Enhanced Control Flat Progressive Rate Nomex® Damper w/ Spiral-Woven Leads E 135 oz. Double Stack Magnet S Rated at 900 Watts RMS A 92dB Efficiency N Frequency Response of 28Hz to 500Hz Dual 4 ohm 2 1/2” Voice Coils D 8
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B Now that you know about subwoofer specifications it’s time to learn about build- U ing subwoofer boxes. If you’ve done any woodworking you shouldn’t have much I trouble when building a subwoofer enclosure. One of the main differences will L probably be the material used in building subwoofer boxes as compared to D other woodworking projects. When building a custom subwoofer box you will want to use minimal MDF (medium density fiberboard). I N G TOOLS REQUIRED TO BUILD AN ENCLOSURE A S
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B If you’re planning to build your own enclosure and are confused U in what type of enclosure best suits your needs this page will help you I choose what enclosure fits your needs. There are many different types of L enclosures. The two most common used enclosures are sealed and vented D enclosure. This page will show the advantages and disadvantages of the I two enclosures. N Advantages of a sealed enclosures G *High power handing capability A *Great transient response N *Tolerant o
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Calculating speaker enclosure volume is a five step procedure. B (Make sure you do not forget to subtract the thickness of the wood that you U have selected to use to build your enclosure.) I L Step One: Measure Height D Step Two: Measure Width I Step Three: Measure Depth N Step Four: Height x Width x Depth G Step Five: Divide the results were in step four by 1728 A (12" x 12" x 12"=1728 which equals to 1.0 cu ft.) N Complete formula should look like this E Height x Width x Depth
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B Calculating speaker enclosure volume is a five step procedure. U (Make sure you do not forget to subtract the thickness of the wood and port displacement that you used.) I L Step One: Measure Height D Step Two: Measure Width I Step Three: Measure Depth N Step Four: Height x Width x Depth G Step Five: Divide the results in step four by 1728 A (12" x 12" x 12"=1728 which equals to 1.0 cu ft.) N Complete formula should look like this Height x Width x Depth / 1728 =__________ E Belo
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B Converting a round port to a slot port. U Calculate the area of the round port(s) being used, then use the square I root function of your calculator to get the interior dimensions of an L equivalent suare port. The length (or depth) of the slot port will be the D same as that of the round port. I N To calculate area: ( Area is a two dimensional measurement ) G Circle =3.14 x Radius x Radius A N 4" Circle Port E N C L O S U R E 2" 2" 4" Port 2 x 2 x 3.14=12.6 1" 12.6 x 1=12.6 Slot Port 1
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S U B 800 Series W Model # PSW810E PSW812E PSW815E O Fs 28 25 20 Qts 0.38 0.42 0.35 O Qes 0.4 0.44 0.35 Qms 7.2 0.45 7.2 F Vas (liters) 28 42 1.41 E Vas (Cu. Ft.) 1 1.5 5 Re 3.6 x 2 3.6 x 2 3.6 x 2 R Rms 800 900 1000 Xmax +/- (mm) 14.5 14 15 P Le 0.85 1.3 1.05 Sd 0.033 0.044 0.075 A SPL 89 92 94 R EBP 70 57 57 Mmd 180 240 300 A Freq. Resp. 29Hz-500Hz 28Hz-500Hz 24Hz-500Hz M E Mounting Dimensions T Depth (mm) 155mm 168mm 203mm E Depth (Inches) 6 1/8" 6 5/8" 8" Through Hole (mm) 225mm 276mm 352m
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W Parallel-Parallel Dual 4 Ohm I R I N G D I A G R A M 0.66 ohms S 1 ohm 2 ohms Patent No: US D478,556 S Patent No: US 6,601,645 B1 Patent No: US 6,656,000 B2 12
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W Series-Parallel Dual 4 Ohm I R I N G D I A G R A M S 2.67 ohms 4 ohms 8 ohms Patent No: US D478,556 S Patent No: US 6,601,645 B1 Patent No: US 6,656,000 B2 13
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W Series-Series Dual 4 Ohm I R I N G D I A G R A M S 24 ohms 16 ohms 8 ohms Patent No: US D478,556 S Patent No: US 6,601,645 B1 Patent No: US 6,656,000 B2 14
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T R O U B L E S H O O T I N G 15
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W Investigate the layout of your vehicle thoroughly before A drilling or cutting. Take care when you work near the gas tank, R gas lines, hydraulic lines, electrical components and electrical N wiring. Do not use the equipment unmounted. Attach this sys- I tem securely to prevent damage, particularly in the event of an N accident or aggressive driving. Do not mount the system so that G wire connections are unprotected or are subjected to pinching A or damage from nearby objects. B
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W Alphasonik, Inc. warrants this product against all defects in material and A workmanship for a period of one (1) year from the date of original purchase R provided it was purchased from an Authorized Alphasonik, Inc. Dealer. R A The conditions of this warranty and the extent of the responsibility of Alpha- N sonik, Inc. under this warranty are as follows: T Y 1. DATED PROOF OF PURCHASE IS REQUIRED FOR WAR- RANTY SERVICE OF THIS PRODUCT. Information about Alphasonik, Inc. authorized warr
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W 7. This warranty is not transferable and protects the original pur- A chaser provided they reside and made their purchase in the United States. R International consumers may contact their local retailer or distributor for war- R ranty information. A 8. ALL IMPLIED WARRANTIES, EXCEPT TO THE EXTENT PRO- N HIBITED BY APPLICABLE LAW, SHALL HAVE NO GREATER DURATION THAN THE WARRANTY PERIOD SET FORTH ABOVE. UNDER NO T CIRCUMSTANCES SHALL ALPHASONIK INC. BE LIABLE FOR ANY LOSS Y OR DAMAGE,
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ALPHASONIK INC. 7050 VILLAGE DRIVE BLDG. G BUENA PARK, CALIFORNIA. 90621 TEL: (714)670-8950 · FAX: (714)670-8959 www.alphasonikinc.com
