PrecisionPower PC8C2 - Manuals

Page 2 - PrecisionPower; POWERCLASS; S er vice; M o d e

C aution! The extended use of a high powered audio system mayresult in hearing loss or damage. While PrecisionPower systems are capable of "Concert Level" volumes withincredible accuracy, they are also designed for you toenjoy at more reasonable levels all of the sonic subtletiescreated by m...

Page 3 - Progressive Butyl Rubber Surround 2. Stepped PolyCarbon Cone; C 2 S t r u c t u r e

1 INTRODUCTION Your new PowerClass C2 subwoofer is part of an exciting line of loudspeakers from PrecisionPower. The PowerClass subwoofers reflect our commitment to “Absolutely State of the Art” performance and flawless sonic quality. Included in this manual are a number of sample enclosure drawings...

Page 4 - Enclosure Recommendations

2 POWERCLASS PC8 C2 Subwoofer PC8 C2 Enclosure Recommendations SPL 1: 1.31cu.ft. Bandpass F3: 49Hz Fo: 60Hz .61 Sealed/.7 Ported, 3"Dia x 5.5"L Port SPL 2: .75 cu.ft. Ported F3: 40Hz Fo: 43Hz 3"Dia x 11"L Port General Use 1: .75 cu.ft. Ported F3: 40Hz Fo: 43Hz 3"Dia x 11"L Po...

Page 5 - Specifications

3 POWERCLASS PC10 C2 Subwoofer PC10 C2 Specifications Normal Power Handling 300W rms Voice Coil Diameter 2” / 50.8mm Voice Coil Type / Former 4 Layer/TIL Resonant Frequency 25.24Hz Qts-Total Damping 0.38 Qms- Mechanical Damping 6.95 Qes- Electromagnetic Damping 0.40 Vas- Equivalent Compliance Volume...

Page 8 - Sealed Enclosures

6 POWERCLASS PC8 C2 Subwoofer PC8 C2 Sealed Enclosures Net Volume Internal Dimensions (see page 15) .33 cubic feet 14.25”L x 8.5”W x 5.25”D .5 cubic feet 16”L x 9.75”W x 6”D .6 cubic feet 16.75”L x 10.25”W x 6.5”D PC8 C2 Bandpass Enclosures Net Volume Internal Dimensions (see page 19) Low Gain .6 cu...

Page 9 - Sealed RESPONSE CURVE

POWERCLASS PC8 C2 Subwoofer 7 PC8 C2 Sealed RESPONSE CURVE * PC8 C2 Bandpass RESPONSE CURVE * *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. PC8 C2 Ported RESPONSE CURVE * *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND...

Page 12 - Net Volume; Bandpass Enclosures

10 POWERCLASS PC12 C2 Subwoofer PC12 C2 Sealed Enclosures Net Volume Internal Dimensions (see page 15) 1.0 cubic feet 20”L x 12”W x 7.75”D 1.25 cubic feet 21.25”L x 13.25”W x 8.125”D 1.5 cubic feet 22.5”L x 14”W x 8.625”D PC12 C2 Bandpass Enclosures Net Volume Internal Dimensions (see page 19) Low G...

Page 16 - SEALED ENCLOSURE; Building a Sealed Enclosure:

14 SEALED ENCLOSURE Building a Sealed Enclosure: 1. Build a sealed enclosure with internal L x W x D as specified foryour woofer (See recommended enclosures for your woofer). Use3/4” thick MDF for the enclosure. Be sure to use wood glue andsilicone to ensure your enclosure is sealed properly, as air...

Page 17 - Sealed Speaker Diagram

15 SEALED ENCLOSURE Internal dimensions should be calculated to determine the correct boxvolume. Be sure to allow for speaker displacement and extra bracing (ifused). Sealed Speaker Diagram BACK TO CONTENTS

Page 18 - PORTED ENCLOSURE; Building a Ported Enclosure:

16 PORTED ENCLOSURE Building a Ported Enclosure: 1. Build a ported enclosure with internal dimensions of LxWxD asspecified for your woofer (See recommended enclosures foryour woofer). Use 3/4” thick MDF for the enclosure. Be sure touse wood glue and silicone at all joints to ensure your enclosureis ...

Page 19 - Ported Enclosure Diagram; the port that is inside the enclosure.

17 Ported Enclosure Diagram PORTED ENCLOSURE Internal dimensions should be calculated to determine the correct enclosurevolume. Be sure to allow for speaker displacement, extra bracing (if used),and port displacement (only the length of the port that is INSIDE theenclosure). It may be necessary to a...

Page 20 - BANDPASS ENCLOSURE; Building a Bandpass Enclosure:

18 BANDPASS ENCLOSURE Building a Bandpass Enclosure: 1. Using 3/4" thick MDF, cut out all the panels to build a dividedenclosure with internal dimensions of LxWxC1 and C2 as specified foryour woofer (See recommended enclosures for your woofer). 2. Using the supplied template, trace the appropria...

Page 21 - Bandpass Enclosure Diagram; x 3.14 x Length of the port that

19 Bandpass Enclosure Diagram BANDPASS ENCLOSURE Internal dimensions should be calculated to determine the correct enclosurevolume. Be sure to allow for speaker displacement, extra bracing (if used),and port displacement (only the length of the port that is INSIDE theenclosure). If the port is very ...

Page 22 - Additional Information; defines abuse as, but not limited; dealer or; Technical Service Department at; PowerClass

Additional Information NOTE: Abuse and/or Installation Error: PrecisionPower defines abuse as, but not limited to, burnt voice coils (blackened, no continuity, melted adhesives, coil separated fromthe former, etc.), punctured or damaged surrounds, broken speaker terminals, non-PrecisionPower modific...

Page 23 - W A R R A N T Y

W A R R A N T Y Three-Year Limited U.S.A. Warranty This warranty gives you specific legal rights, and you may also have other rights which vary fromstate to state. PrecisionPower warrants its products to be free from defects in materials andworkmanship under normal use and service for a period of th...