Precision Power PC8C2 Manuale utente

POWER

CLASS

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 ADDITIONAL INFORMATION

PC12 C2 DIMENSIONS WARRANTY

Caution!

The extended use of a high powered audio system may

result in hearing loss or damage. While

PrecisionPower

systems are capable of "Concert Level" volumes with

incredible accuracy, they are also designed for you to

enjoy at more reasonable levels all of the sonic subtleties

created by musicians. Please observe all local sound

ordinances.

Congratulations and thank you.....

forchoosing

audioepuipment. Weareproud toput the

PrecisionPower

name on these outstanding audio products. Like the

POWERCLASS

lineup, you can count on the

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 your audio equipment yourself

will void the warranty. Many parts of your

gear are custom built

to our specifications. parts are not made available to anyone

else nor are they for sale. Our goal is to make sure that your

PrecisionPower

product will always sound as good as the day it

was purchased. Contact your authorized

PrecisionPower

dealer

about obtaining any warranty service through

PrecisionPower

(See Warranty insde back cover)

FOR YOUR RECORDS:

Model

Serial Number

Purchase Date

BACKTO CONTENTS

INTRODUCTION

Your new

PowerClass

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.

Theyare bynomeans theonlyenclosures touse,but ratherastarting

pointin theright direction.Todetermine thecorrect enclosureforyour

needsmany factorsneed to beaddressed (amountof power, vehicle,

placement, crossover, etc.) Therefore, as always,

PrecisionPower

recommends that your subwoofer be installed by an Authorized

PowerClass

Dealer.

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 Basket 6. High Current Silver Plated Tinsel Leads

7. Flat Spider 8. Spider Clamp

9. TIL Voice Coil Former 10. Long Wind 4 Layer Voice Coil

11. 10mm Frontplate 12. Integrated Backplate / Extended Pole

13. Protective Magnet Cover

C2 StructureC2 Structure

C2 Structure

BACKTO CONTENTS

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 Port

General Use 2: .5 cu.ft. Ported F3: 46Hz Fo: 47Hz

2"Dia x 6"L Port

Audiophile 1: .75 cu.ft. Sealed F3: 48Hz

1) 4"Dia x 7.75"L Port

Audiophile 2: .5 cu.ft. Sealed F3: 49Hz

See page 6 for examples of dimensions for these enclosures.

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 2.34oz / 66.35 g

Sd- Piston Area .230sqft / 0.0214 sqm

Bl- Magnet Product 9.26 Tm

Cone Material Carbon Poly

Basket Material Stamped Steel

Net Weight 5.80 lbs / 2.63kg

Dimensions 8.09” dia. X 4.375” H

205mm dia. X 110mm H

Mounting Hole Diameter 7.375” /185mm

Mounting Depth 4.00" /102mm

Displacement .04 cuft / 1.13 liter

BACKTO CONTENTS

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 3.37oz / 95.73g

Sd- Piston Area .372sqft / 0.0346 sqm

Bl- Magnet Product 11.74 Tm

Cone Material Carbon Poly

Basket Material Stamped Steel

Net Weight 8.68 lbs / 3.94 kg

Dimensions 10.07” dia. X 5.185” H

(256mm dia. X 132mm H)

Mounting Hole Diameter 9.25” / 232mm dia.

Mounting Depth 4.80" / 122mm

Displacement .065 cuft / 1.84 liter

PC10 C2

Enclosure Recommendations

SPL 1: 1.0 cu.ft. Bandpass F3: 50Hz Fo: 75Hz

.36 Sealed/.62 Ported, 4"Dia x 6.5"L Port

SPL 2: .75 cu.ft. Ported F3: 43Hz Fo: 47Hz

3"Dia x 8.9"L Port

General Use 1: 1.0 cu.ft. Ported F3: 38Hz Fo:42Hz

3"Dia x 8.25"L Port

General Use 2: .75 cu.ft. Ported F3: 43Hz Fo: 47Hz

3"Dia x 8.9"L Port

Audiophile 1: 1.0 cu.ft. Ported F3: 38Hz Fo:42Hz

3"Dia x 8.25"L Port

Audiophile 2: .75 cu.ft. Sealed F3: 51Hz

See page 8 for examples of dimensions for these enclosures.

BACKTO CONTENTS

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 4.46oz / 126.59g

Sd- Piston Area .555sqft / 0.0511 sqm

Bl- Magnet Product 11.87 Tm

Cone Material Carbon Poly

Basket Material Stamped Steel

Net Weight 8.92lbs / 4.04kg

Dimensions 12.0” dia. X 5.78” H

305mm dia. X 147mm H

Mounting Hole Diameter 11.00” / 280mm

Mounting Depth 5.5" / 140mm

Displacement .075 cuft / 2.12 liter

PC12 C2

Enclosure Recommendations

SPL 1: 2.3 cu.ft. Bandpass F3: 53Hz Fo: 70Hz

.6 Sealed/1.7 Ported, 2) 4"Dia x 4.5"L Ports

SPL 2: 1.25 cu.ft. Ported F3: 42Hz Fo: 45Hz

4"Dia x 10.0"L Port

General Use 1: 1.75 cu.ft. Ported F3: 37Hz Fo: 40Hz

4"Dia x 8.5"L Port

General Use 2: 1.9 cu.ft. Bandpass F3: 45Hz Fo: 68Hz

.7 Sealed/1.2 Ported, 2) 4"Dia x 8.5"L Ports

Audiophile 1: 1.25 cu.ft. Sealed F3: 44Hz

Audiophile 2: 2.5 cu.ft. Ported F3: 31Hz Fo: 35Hz

4"Dia x 7.5"L Port

See page 10 for examples of dimensions for these enclosures.

BACKTO CONTENTS

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 5.87oz / 166.15g

Sd- Piston Area .920sqft / 0.0855 sqm

Bl- Magnet Product 12.91 Tm

Cone Material Carbon Poly

Basket Material Stamped Steel

Net Weight 11.32 lbs / 5.13kg

Dimensions 15.16” dia. X 7.20” H

(385mm dia. X 183mm H)

Mounting Hole Diameter 13.75” / 347mm dia.

Mounting Depth 6.85" / 173mm

Displacement .09 cuft / 2.56liter

PC15 C2

Enclosure Recommendations

SPL 1: 5.0 cu.ft. Bandpass F3: 47Hz Fo: 65

1.5 Sealed/3.5 Ported, 2) 6"Dia x 5.0"L Ports

SPL 2: 2.0 cu.ft. Ported F3: 44Hz Fo: 37Hz

4"Dia x 9.0"L Port

General Use 1: 3.5 cu.ft. Ported F3: 35Hz Fo: 35Hz

4"Dia x 4.5"L Port

General Use 2: 3.5 cu.ft. Bandpass F3: 40Hz Fo: 65

1.5 Sealed/2.0 Ported, 6"Dia x 4.0"L Ports

Audiophile 1: 2.5 cu.ft. Sealed F3: 41Hz

Audiophile 2: 2.0 cu.ft. Sealed F3: 44Hz

See page 10 for examples of dimensions for these enclosures.

BACKTO CONTENTS

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.ft. Sealed 10"L x 11.5"W x 10.125"C1

33Hz to 81Hz .35 cu.ft. Ported 10"L x 11.5"W x 5.375"C2

Port Tuned to 55 Hz 3"Dia x 15.0" Long Port*

Medium Gain .35 cu.ft. Sealed 12"L x 8.5"W x 6.5"C1

43Hz to 94Hz .34 cu.ft. Ported 12"L x 8.5"W x 6"C2

Port Tuned to 65Hz 3"Dia x 10.75" Long Port*

High Gain .61 cu.ft. Sealed 17"L x 10.25"W x 6.5"C1

49Hz to 74Hz .7 cu.ft. Ported 17"L x 10.25"W x 7.125"C2

Port Tuned to 60Hz 3"Dia x 5.0" Long Port

* Port must run through the sealed chamber in this enclosure.

PC8 C2

Ported Enclosures

Net Volume Internal Dimensions (see page 17)

.33 cubic feet 14”L x 9”W x 5.375”D

Port Tuned to 50Hz 2"Dia x 8.5" Long Port

.5 cubic feet 14”L x 9”W x 5.625”D

Port Tuned to 47Hz 2"Dia x 6.0" Long Port

.75 cubic feet 19”L x 11.75”W x 7.25”D

Port Tuned to 42Hz 3"Dia x 11.0" Long Port

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

Basic Working Dimensions for the

PC8 C2

BACKTO CONTENTS

POWERCLASS

PC8 C2

Subwoofer

PC8 C2

Sealed RESPONSE CURVE*

PC8 C2

Bandpass RESPONSE CURVE*

*ACTUAL IN-CAR RESPONSE CURVE WILL VARYBASED ON CAR TYPE, WOOFER LOADING,AND ENCLOSURE DESIGN.

PC8 C2

Ported RESPONSE CURVE*

*ACTUALIN-CAR RESPONSE CURVE WILL VARY BASED ON CAR TYPE, WOOFER LOADING,AND ENCLOSURE DESIGN.

BACK TO CONTENTS

POWERCLASS

PC10 C2

Subwoofer

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

Bandpass Enclosures

Net Volume Internal Dimensions (see page 19)

Low Gain .84 cu.ft. Sealed 18.75"L x 11.5"W x 7.25"C1

33Hz to 85Hz .63 cu.ft. Ported 18.75"L x 11.5"W x 5.25"C2

Port Tuned to 53Hz 3"Dia x 8.25" Long Port

Medium Gain .60 cu.ft. Sealed 17.0"L x 10.5"W x 6.5"C1

39Hz to 94Hz .60 cu.ft. Ported 17.0"L x 10.5"W x 6.375"C2

Port Tuned to 60Hz 3"Dia x 6.25" Long Port

High Gain .36 cu.ft. Sealed 12.0"L x 12.0"W x 5.125"C1

50Hz to 101Hz .62 cu.ft. Ported 12.0"L x 12.0"W x 8.125"C2

Port Tuned to 71Hz 4"Dia x 7.5" Long Port

PC10 C2

Ported Enclosures

Net Volume Internal Dimensions (see page 17)

.75 cubic feet 18.5”L x 11.5”W x 7.0”D

Port Tuned to 47Hz 3"Dia x 9.0" Long Port

1.0 cubic feet 20”L x 12”W x8”D

Port Tuned to 42Hz 3"Dia x 8.25" Long Port

1.25 cubic feet 21.75”L x 13”W x 8.25”D

Port Tuned to 38Hz 3"Dia x 8.0" Long Port

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

BasicWorking Dimensions for the

PC10 C2

BACKTO CONTENTS

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