Summary of the content on the page No. 1
TM
POWERCLASS
C2 OWNERS MANUAL
CONTENTS
(click a topic to view)
CONGRATULATIONS PC12 C2 RESPONSE CURVES
INTRODUCTION PC15 C2 DIMENSIONS
PC8 C2 SPECIFICATIONS PC15 C2 RESPONSE CURVES
PC10 C2 SPECIFICATIONS SEALED ENCLOSURE
PC12 C2 SPECIFICATIONS SEALED ENCLOSURE (continued)
PC15 C2 SPECIFICATIONS PORTED ENCLOSURE
PC8 C2 DIMENSIONS PORTED ENCLOSURE (continued)
PC8 C2 RESPONSE CURVES BANDPASS ENCLOSURE
PC10 C2 DIMENSIONS BANDPASS ENCLOSURE (continued)
PC10 C2 RESPONSE CURVES
Summary of the content on the page No. 2
Congratulations and thank you..... for choosing C2 audio epuipment. We are proud to put the PrecisionPower TM name on these outstanding audio products. Like the POWERCLASS TM lineup, you can count on the C2 line to deliver Absolutely State of the Art performance and value. This PrecisionPower product reflects our commitment to offer you unparalleled versatility and listening enjoyment. Service Do not attempt to service PrecisionPower products yourself. Performing exploratory surgery on
Summary of the content on the page No. 3
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. C2 Structure C2 Structure C2 Structure C2 Structure C2 Structure 1. Progressive Butyl Rubber Surround 2. Stepped PolyCarbon Cone 3. Butyl Rubber Flange Gasket 4. Gold Plated 12ga. Binding Post Terminals 5. Deep Draw Steel Bas
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POWERCLASS PC8 C2 Subwoofer PC8 C2 Specifications Normal Power Handling 150 W rms Voice Coil Diameter 2” / 50.8mm Voice Coil Type / Former 4 Layer/TIL Resonant Frequency 32 Hz Qts-Total Damping 0.49 Qms- Mechanical Damping 9.20 Qes- Electromagnetic Damping 0.518 Vas- Equivalent Compliance Volume .80cuft / 22.78 liter DC Resistance of V.C. 3.6W / 6.8W Sensitivity (SPL at 1W) 87.57 dB Xmax (Linear Excursion) ±.343" / 8.72 mm Peak to Peak Excursion ±.629" / 16.00 mm Mms- Total Mass 2.34
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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 2.4 cuft / 68.14 liter DC Resistance of V.C. 3.6W / 6.8W Sensitivity (SPL at 1W) 89.64 dB Xmax (Linear Excursion) ±.393" / 9.97mm Peak to Peak Excursion ±.679" / 17.25mm Mms- Total Mass 3.3
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POWERCLASS PC12 C2 Subwoofer PC12 C2 Specifications Normal Power Handling 300W rms Voice Coil Diameter 2” / 50.8mm Voice Coil Type / Former 4 Layer/TIL Resonant Frequency 21.64Hz Qts-Total Damping 0.41 Qms- Mechanical Damping 5.41 Qes- Electromagnetic Damping 0.44 Vas- Equivalent Compliance Volume 5.31cuft / 150.37 liter DC Resistance of V.C. 3.6W / 6.8W Sensitivity (SPL at 1W) 90.67 dB Xmax (Linear Excursion) ±.393" / 9.97mm Peak to Peak Excursion ±.67" / 17.00mm Mms- Total Mass 4.
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POWERCLASS PC15 C2 Subwoofer PC15 C2 Specifications Normal Power Handling 300W rms Voice Coil Diameter 2” / 50.8mm Voice Coil Type / Former 4 Layer/TIL Resonant Frequency 31Hz Qts-Total Damping 0.34 Qms- Mechanical Damping 1.21 Qes- Electromagnetic Damping 0.47 Vas- Equivalent Compliance Volume 3.83cuft / 108.43 liter DC Resistance of V.C. 3.6W / 6.8W Sensitivity (SPL at 1W) 90.51 dB Xmax (Linear Excursion) ±.383" / 9.72mm Peak to Peak Excursion ±.679" / 17.25mm Mms- Total Mass 5.87o
Summary of the content on the page No. 8
POWERCLASS PC8 C2 Subwoofer Basic Working Dimensions for the PC8 C2 Outer Diameter 8.09” / 205mm Mounting Hole Diameter 7.375” /185mm Mounting Depth (from bottom of top ring) 4.00" /102mm Speaker Displacement .04 cuft / 1.13 liter 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 Ported Enclosures Net Volume Internal Dimensions (
Summary of the content on the page No. 9
POWERCLASS PC8 C2 Subwoofer * PC8 C2 Sealed 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 ENCLOSURE DESIGN. * PC8 C2 Bandpass RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. 7 BACK TO CONTENTS
Summary of the content on the page No. 10
POWERCLASS PC10 C2 Subwoofer Basic Working Dimensions for the PC10 C2 Outer Diameter 10.07” / 256mm Mounting Hole Diameter 9.25” / 232mm dia. Mounting Depth (from bottom of top ring) 4.80" / 122mm Speaker Displacement .065 cuft / 1.84 liter PC10 C2 Sealed Enclosures Net Volume Internal Dimensions (see page 15) .5 cubic feet 16”L x 10”W x 6.125”D .75 cubic feet 18”L x 11.25”W x 7.0”D 1.0 cubic feet 20”L x 12.5”W x 7.375”D PC10 C2 Ported Enclosures Net Volume Inter
Summary of the content on the page No. 11
POWERCLASS PC10 C2 Subwoofer * PC10 C2 Sealed RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC10 C2 Ported RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC10 C2 Bandpass RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. 9 BACK TO CONTENTS
Summary of the content on the page No. 12
POWERCLASS PC12 C2 Subwoofer Basic Working Dimensions for the PC12 C2 Outer Diameter 12.0” / 305mm Mounting Hole Diameter 11.00” / 280mm Mounting Depth (from bottom of top ring) 5.5" / 140mm Speaker Displacement .075 cuft / 2.12 liter 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 Ported Enclosures Net Volume Inter
Summary of the content on the page No. 13
POWERCLASS PC12 C2 Subwoofer * PC12 C2 Sealed RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC12 C2 Ported RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC12 C2 Bandpass RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. 11 BACK TO CONTENTS
Summary of the content on the page No. 14
POWERCLASS PC15 C2 Subwoofer Basic Working Dimensions for the PC15 C2 Outer Diameter 15.157” / 385mm Mounting Hole Diameter 13.75” / 350mm Mounting Depth (from bottom of top ring) 6.85" / 174mm Speaker Displacement .09 cuft / 2.67 liter PC15 C2 Sealed Enclosures Net Volume Internal Dimensions (see page 15) 1.5 cubic feet 22.5”L x 14”W x 8.75”D 2.0 cubic feet 25”L x 15.25”W x 9.5”D 2.5 cubic feet 26”L x 16.5”W x 10.5”D PC15 C2 Ported Enclosures Net Volume Internal Dimen
Summary of the content on the page No. 15
POWERCLASS PC15 C2 Subwoofer * PC15 C2 Sealed RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC15 C2 Ported RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. * PC15 C2 Bandpass RESPONSE CURVE *ACTUAL IN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING, AND ENCLOSURE DESIGN. 13 BACK TO CONTENTS
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SEALED ENCLOSURE Building a Sealed Enclosure: 1. Build a sealed enclosure with internal L x W x D as specified for your woofer (See recommended enclosures for your woofer). Use 3/4” thick MDF for the enclosure. Be sure to use wood glue and silicone to ensure your enclosure is sealed properly, as air leaks will affect the performance of your subwoofer. 2. Using the supplied template, trace the appropriate circle and mounting hole pattern for your PowerClass C2 subwoofer on the baffle b
Summary of the content on the page No. 17
SEALED ENCLOSURE Sealed Speaker Diagram Internal dimensions should be calculated to determine the correct box volume. Be sure to allow for speaker displacement and extra bracing (if used). 15 BACK TO CONTENTS
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PORTED ENCLOSURE Building a Ported Enclosure: 1. Build a ported enclosure with internal dimensions of LxWxD as specified for your woofer (See recommended enclosures for your woofer). Use 3/4” thick MDF for the enclosure. Be sure to use wood glue and silicone at all joints to ensure your enclosure is sealed properly. Air leaks will affect the performance of your subwoofer, even in a ported enclosure. 2. Using the supplied template, trace the appropriate circle and mounting hole pattern
Summary of the content on the page No. 19
PORTED ENCLOSURE Ported Enclosure Diagram Internal dimensions should be calculated to determine the correct enclosure volume. Be sure to allow for speaker displacement, extra bracing (if used), and port displacement (only the length of the port that is INSIDE the enclosure). It may be necessary to angle the port to fit your design. To 2 calculate the displacement of the port: (Outside) Radius x 3.14 x Length of the port that is inside the enclosure. 17 BACK TO CONTENTS
Summary of the content on the page No. 20
BANDPASS ENCLOSURE Building a Bandpass Enclosure: 1. Using 3/4" thick MDF, cut out all the panels to build a divided enclosure with internal dimensions of LxWxC1 and C2 as specified for your woofer (See recommended enclosures for your woofer). 2. Using the supplied template, trace the appropriate circle and mounting hole pattern for your PowerClass C2 subwoofer on the baffle board. 3. Cut the speaker and port holes from the baffle board with a router, using a guide or template whe
