Precision Power PRO 124 Manuale utente

PRO SubWoofers

PRO 104 PRO 124

TABLE OF CONTENTS

Congratulations .......................................3

Caution..............................................3

Specifications .........................................4

Features .............................................6

WiringConfigurations...................................8

EnclosureDesign.....................................17

Notes ..............................................21

CONGRATULATIONS

Thank you for choosing PrecisionPowerTM woofers. Designed and

engineered in the USA, this product combines innovative technology

with the finest materials to consistently deliver Absolutely State of

the Art™performance, sound quality, reliability, and value. This

PrecisionPowerTM product reflects our commitment to offer you

unparalleled performance and quality for years of dependable

service and listening enjoyment.

Included in this manual are a number of different enclosure

suggestions. These are by no means the only enclosures to use,

but they provide a starting point.To determine the correct enclosure

for your needs many factors must be addressed (amount of

power, vehicle, placement, crossovers, etc.) Therefore, as always

PrecisionPowerTM recommends that your subwoofer be installed

by an authorized PrecisionPowerTM dealer

CAUTION

Extended use of a high powered audio system may result in hearing

loss or damage. While PrecisionPowerTM 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.

SPECIFICATIONS

Directed Part Number 28206 28216

Model Number PRO104 PRO124

Thiele/Small Parameters

Fs (free-air resonance, Hz) 44.51 42.26

Vas (equivalent compliance, cu. ft.) 0.319 0.656

Vas (equivalent compliance, liters) 9.03 18.58

Qms (Q, mechanical) 6.76 7.68

Qes (Q, electrical) 1.01 1.03

Qts (total driver Q) 0.88 0.91

Re (DC resistance, ohms) 5.8 5.8

Z (nominal impedance, ohms) 2 x 4 2 x 4

Le (inductance, mh) 1.46 1.47

Efﬁciency (1W @ 1M, dB) 80.87 83.23

Xmax (one way linear excursion, in.) 0.91 0.91

Xmax (one way linear excursion, mm) 26.5 26.5

Pe (continuous power handling, watts) 1000 1000

Peak power handling (music, watts) 2000 2000

Mms (total moving mass, grams) 218 260

Cms (mechanical compliance, mm/N) 0.059 0.055

Bl (motor strength, Tesla-M) 18.68 19.72

Sd (effective radiating area, sq. cm.) 330.06 491.03

Sd (effective radiating area, sq. in.) 51.18 76.11

Frequency range (Hz) 44-250 42-250

Energy Bandwidth Product (EBP) 44 41

Driver Physical Dimension

Speaker Outer Diameter (inches) 10.71 12.44

Speaker Outer Diameter (mm) 272 316

Mounting hole diameter (inches) 9.29 11.06

Mounting hole diameter (mm) 236 281

Mounting depth (inches) 7.09 8.07

Mounting depth (mm) 180 205

Magnet Weight (Oz) 155 155

Basket diameter (inches) 10.71 12.44

Recommended Enclosures

Typical sealed enclosure (cu.ft.) 0.6 0.9

Enclosure Details

1. External dimensions calculated for 3/4” building material

2. Includes speaker displacement

3.Volumes given are net tuning volume

4. Enclosures include a minimal amount of damping material. Just enough ma

terial to line the inside of the enclosure is required.

Speciﬁcations subject to change without notice

FEATURES

1 Woven Fiberglass over a Rohr cell foam center – flat panel.

2 Tall, wide, balanced, NBR Foam (high density expanded

polyester foam) surround for linear controlled long excursion

using a Tri Radius symmetrical edge design optimized on

non-linear FEA

3 Rubber wrap around two way mounting gasket.

4 Custom Cast Aluminum frame.

5 Aluminum flat panel to voice coil former attachment yoke.

6 Custom terminals and impedance jumpers.

7 Tinsel leads woven to single flat interlaced Conex spider.

8 Voice coil former vent holes. Part of enhanced voice coil

cooling system (forced convection).

9 10mm thick steel front gap plate. Part of Mmag dual gap

motor assembly.

10 Magnetic ring consisting of 12 donut style ceramic magnets

for front gap of dual gap motor. Part of Mmag dual gap

motor assembly. Total magnet weight of items 10 & 14 is 155

oz.

11 10mm thick steel rear gap plate. Part of Mmag dual gap

motor assembly.

12 10mm thick steel rear plat / pole piece T yoke Part of Mmag

dual gap motor assembly.

13 1 inch flared Vent. Part of enhanced voice coil cooling system

(forced convection).

14 Two stack ceramic magnet for rear gap Part of Mmag dual

gap motor assembly. Total magnet weight of items 10 & 14 is

155 oz.

15 High temperature (Polyester Amide Amide Resin Coated)

Copper dual voice coil (2x4 ohm) wound on an).

16 Voice coil heat pick-up and heat sink assembly that also

serves as a control for flux and heat build up and control

in the dual gap motor. Part of enhanced voice coil cooling

system (forced convection – aluminum heat sinking –shorting

rings to reduce inductive heating).

17 Aluminum voice coil former (voice coil is a 3”).

18 Vented spider ring and terminal block assembly. Integrates

custom terminals and impedance jumper block. Venting in

spider ring is part of enhanced voice coil cooling system

(forced convection).

19 Vent holes in flat panel yoke assembly. Part of enhanced

voice coil cooling system (forced convection – aluminum heat

sinking –shorting rings to reduce inductive heating).

WIRING CONFIGURATIONS

The following illustrations provide guidelines on properly

connecting your PrecisionPowerTM woofer to a PrecisionPowerTM

amplifier for maximum power and performance using common

parallel, and series/parallel wiring configurations

Recommended Amplifier Power

Continuous Power (RMS) Peak Power (watts

1 woofer 500 to 1000 600 to 2000

2 woofers 1000 to 2000 1200 to 4000

3 woofers 1500 to 3000 1800 to 6000

4 woofers 2000 to 4000 2400 to 8000

Technical Brief:

How to properly wire a PPI woofer in parallel to a PPI amplifier for

maximum power and performance.

4 ohm

+ +

- -

1. Wire the speaker parallel by connection the two + terminals

together and the two - terminals together.

2. Wire the positive (+) terminals of the speakers to the positive (+)

terminal on the amplifier. Wire the negative (-) terminals of the

woofers to the negative (-) terminal on the amplifier.

3. This wiring show the amplifier a 2 ohm load.

Technical Brief:

How to properly wire a PPI woofer in series to a PPI amplifier for

maximum power and performance.

4 ohm

+ +

- -

1. Wire the woofer's coils together in series by wiring the positive of

one coil to ther negative of the other coil.This is series wiring.

2. Wire the two open terminals to the amplifier, positive terminal

to the amplifier positive and negative terminal to the amplifier

negative.

3. This wiring show the amplifier a 8 ohm load.

Technical Brief:

How to properly wire a PPI woofer in parallel to a PPI amplifier for

maximum power and performance.

4 ohm

- -

4 ohm

- -

1. Wire the two speaker's voice coil parallel by connection the two

+ terminals together and the two - terminals together.

2. Wire the positive (+) terminals of the speakers to the positive (+)

terminal on the amplifier. Wire the negative (-) terminals of the

woofers to the negative (-) terminal on the amplifier.

3. This wiring show the amplifier a 1 ohm load.

Indice

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