Rockford Fosgate PWR-34/38 Bedienungsanleitung



POWER MIDRANGE

PWR-34/38, PWR-44/48

PWR-54/58, PWR-64/68

PWR-408/808

OWNER'SMANUAL

Dear Customer,

Congratulations on your purchase of America’s finest brand of car audio compo-

nents. At Rockford Fosgate we are committed to musical reproduction at its best,

andwearepleasedyouchoseourproduct. Throughyearsofengineeringexpertise,

hand craftsmanship and critical testing procedures we have created a wide range

of products that reproduce music with all the clarity and richness you deserve.

For maximum performance we recommend you have your new Rockford Fosgate

product installed by an Authorized Rockford Fosgate Dealer, as we provide

specializedtrainingthroughRockfordTechnicalTrainingInstitute(RTTI). Please

read your warranty and retain your receipt and original carton for possible future

use.

ToaddthefinishingtouchtoyournewRockfordFosgateimageorderyourRockford

accessories, which include everything from T-shirts and jackets to hats and

sunglasses.

To get a free brochure on Rockford Fosgate products and Rockford accessories,

pleasecall1-602-967-3565orFAX1-602-966-3983intheU.S.ForCanada,call

Korbon Trading at 905-567-1920. For international orders, FAX 001-1-602-

967-8132 or call 001-1-602-967-3565.

PRACTICE SAFE SOUND™

CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB

MAY CAUSE PERMANENT HEARING LOSS. HIGH POWERED AUTO

SOUNDSYSTEMSMAYPRODUCESOUNDPRESSURELEVELSWELLOVER

130dB. USE COMMON SENSE AND PRACTICE SAFE SOUND.

If, after reading your manual, you still have questions regarding this prod-

uct, we recommend that you see your Rockford Fosgate dealer. If you need

futher assistance, you can call us direct at 1-800-795-2385. Be sure to have

your serial number, model number and date of purchase available when

you call.

The serial number can be found on the outside of the box. Please be sure

torecorditinthespaceprovidedbelowasyourpermanentrecord. Thiswill

serve as verification of your factory warranty and can become useful in

recovering your product if ever stolen.

Serial Number: _________________________________________

Model Number:___________________________________

TABLE OFCONTENTS

Punch Power Midrange Contents ......................................................1

Introduction ......................................................................................1

Design Features.................................................................................1

Woven Kevlar® Cone..................................................................1

Suspension ..................................................................................1

Ferrofluid Cooling .......................................................................1

Manifold Vented Pole Piece ........................................................2

Voice Coil ...................................................................................2

Powder Coated Basket.................................................................2

Using the Punch Power Midrange Speakers ......................................2

PWR-34/44 .................................................................................3

PWR-38/48 .................................................................................3

PWR-54/64 .................................................................................3

PWR-58/68 .................................................................................3

PWR-408/808 .............................................................................3

Installing the Punch Power Midrange ................................................4

Exploded View ............................................................................5

Specifications....................................................................................6

Warranty Information........................................................................7

PUNCH POWER MIDRANGE CONTENTS

INTRODUCTION

1 Pair of Midrange Speakers

Mounting Hardware Grilles (excluding 3")

This manual contains information on the features, installation and

operation of the Punch Power midrange speakers. We suggest you

save this manual for future reference.

ThePunchPowermidrangespeakersaredesignedandconstructedto

provide the discriminating listener the benefits of superb sonic

accuracy and high levels of sonic output without compromising

powerhandling.Modernengineeringandmanufacturingtechniques,

combined with the use of space age materials, allow us to offer a

speaker which achieves performance and reliability previously

unattained.

Woven Kevlar® Cone – The Punch Power midrange speakers use a

woven Kevlar® material. The woven Kevlar® is a lightweight, rigid

material ideally suited to midrange speakers. The rigidity resists

deformation in operation and the light cone mass allows quick

response to the changing electrical signals. This combination makes

for a speaker with low distortion, extended flat frequency response

and clean sound.

Suspension–Thesuspensionholdstheconetothebasketandcenters

the voice coil in the magnetic gap. The suspension should allow the

conetomove inandout freelybutnotallowsidetosidemotion.The

Punch Power midrange speakers all use a Thermo Plastic Rubber

(TPR)surroundforthefrontsuspensionandaflatdesignspiderforthe

rear suspension (except for the PWR-34 AND PWR-38). This combi-

nation takes full advantage of the Kevlar® cone's stiffness allowing

clean, uncolored reproduction even at high listening levels.

FerrofluidCooling–Ferrofluidisamagneticliquidwhichaddstothe

speaker'sthermalcapacity.Wheninjectedintothespeaker'smagnet

gap, it flows to fill the cavity and is held in place magnetically. This

forms a thermally conductive path which prevents excessive heat

build-up in the voice coil, allowing for increased power handling.

DESIGN FEATURES

Kevlar®is a registered trademark of E.I. Dupont D.E. Nemours and Company.

ManifoldVentedPolePiece–A ventedpolepiecebydesignensures

adequate ventilation to cool the voice coil and maintain safe operat-

ingtemperature.OurexclusiveManifoldVentingtechniqueprevents

airpressurebuild-upthatcausesthesplashingof Ferrofluidoutofthe

voice coil gap.

Voice Coil –The construction of the voice coil is designed to

maximize the speaker's power handling. The wire used is high

temperature copper, wound in two layers on a black, anodized

aluminum former. The wire itself will withstand high temperatures

and the former will conduct the heat away from the coil.

Powder Coated Basket – The stamped steel baskets of the Punch

Power speakers are finished with a powder coat process. This good

looking finish helps reduce basket resonance, preventing basket

vibration from coloring the sound. Unrelated to the sonic perfor-

mance of the speakers, but equally important, the powder coating

used is environmentally friendly since no toxic chemicals are re-

leased into the environment during the finishing process.

USING THE PUNCH POWER

MIDRANGE SPEAKERS

Speakers are built in different sizes to optimize their performance in

different frequency bands. Crossovers are used to route the different

frequency bands for each appropriate speaker. There are two opera-

tional types of crossover, active and passive. An active crossover is

an electronic filter which comes before the amplifier and separates

thesignalfedtodifferentamplifiersinthesystem.Apassivecrossover

is positioned after the amplifier and separates the signal fed to each

speaker in the system. Each type of crossover offers its own advan-

tages and disadvantages. Active crossovers offer the accuracy and

flexibility needed for a sophisticated system and are used in expen-

sive multiple amp designs. Passive crossovers, such as capacitors,

resistorsandinductors,allowtheuseofmultiplespeakersinasystem

whichcaneasilybeexpandedovertime.Weofferpassivecrossovers

with 6dB and 12dB per octave slopes. The 6dB per octave crossover

requiresonlyonecomponentandthegentleslopeallowsforsmooth

transitionbetweenthespeakers.The12dBperoctavecrossovergives

the speaker better power handling capacity outside the pass band of

the crossover range.

The following section has suggestions for use of the Punch Power

Midrange Speakers in popular system designs. The information pro-

vided includes our model numbers for 6dB and 12dB per octave

passive crossovers and the crossover frequency to use with active

crossovers. These recommendations all offer a satisfactory level of

performance;however, since individual tastes vary, your Authorized

RockfordFosgateDealercanhelptailorthesystemtoyourindividual

needs.

PWR-34/44–Bestusedformidrangeina3-waysystemwithawoofer

and tweeter. Model C-100 is the 6dB per octave crossover at 400Hz.

ModelMX-124isthe12dBperoctavecrossoverandallowsusedown

to 275Hz.

PWR-38/48–Bestusedformidrangeina3-waysystemwithawoofer

and tweeter. Model C-47 is the 6dB per octave crossover at 400Hz.

ModelMX-128isthe12dBperoctavecrossoverandallowsusedown

to 275Hz.

PWR-54/64–Canbeusedasawooferina3-waysystemorawoofer/

midrangein a 2-way system. The crossover point for use as a woofer/

midrange is determined by the tweeter crossover. Select a crossover

that allows the two speakers to work together without overlapping.

For use as a woofer, use Model TT-2.5 6dB per octave low-pass

crossover at 250Hz.

PWR-58/68–Canbeusedasawooferina3-waysystemorawoofer/

midrangein a 2-way system. The crossover point for use as a woofer/

midrange is determined by the tweeter crossover. Select a crossover

that allows the two speakers to work together without overlapping.

For use as a woofer, use Model TT-5.0 6dB per octave low-pass

crossover at 250Hz.

PWR-408/808 –Best used as midbass speakers in a 4-way system or

as woofers in a 3-way system. In either instance, they require an

enclosure in order to achieve optimum performance. To use for

midbass a 0.25 cubic foot, sealed enclosure will fulfill the high-pass

crossover function at around 100Hz. Use a passive low-pass cross-

over to establish the upper operating limit (usually near 275Hz.)

Woofer operation depends upon a ported enclosure of 1 cubic foot

(foreachspeaker) usingathreeinchdiameterport,sevenincheslong

for a 45Hz tuning. This is generally used with a 6dB per octave low-

pass crossover at 100Hz.

INSTALLING THE PUNCH POWER

MIDRANGE SPEAKERS

Since the PWR-34 and PWR-38 are most often used for direct

replacement of stock speakers, some of the following instructions

may not apply.

1. Determinewherethespeakerswillbemounted.Ensureaflatarea

largeenoughforthespeakertomountevenly.Determinethatthe

mounting location is deep enough for the speaker to fit; if

mounting in a door, operate all functions (windows, locks, etc.)

throughtheirentireoperatingrangetoensurethereisnoobstruc-

tion.

2. Refertothechartbelowtodeterminetheproperdiameterholeto

cut for your speaker model.

MODEL DIAMETER

PWR-34/38 2-31/32" (75.4mm)

PWR-44/48 4" (101.6mm)

PWR-54/58 4-15/16" (133.35mm)

PWR-64/68 5-27/32" (148.4mm)

3. Usingtheplasticmountingringasatemplate,markthelocations

for the mounting screws. Drill the holes with a 1/8" bit.

4. Slip the screw clips over the holes that were just drilled with the

flat side on the outer face.

5. Feed the speaker wires through the cutout and the plastic

mounting ring (from the flat side) and connect to the speaker

terminals. Be sure to observe proper polarity when connecting

thewires.Thespeaker'spositiveterminalisindicatedwith a dot.

On the 4Ωspeaker the dot is violet and on the 8Ωit is red.

6. Fit the ring and speaker to the cutout. Mount them using the

enclosed screws. Fit the grille over the ring and press gently but

firmly into place.

EXPLODED VIEW

Cut-Out

Mounting

Ring

Screw Clips

Midrange

Grille

Mounting

Hole

In Conclusion

Special care has been taken to ensure your satisfaction with the

Punch Power Midrange speakers. The materials and workmanship

have been carefully selected to guarantee performance equal to the

needs of the most demanding conditions. If you have any further

questions or advanced system needs, your Authorized Rockford

Fosgate Dealer will be happy to assist you.

Model PWR-34 PWR-38 PWR-44 PWR-48 PWR-54 PWR-58 PWR-64 PWR-68 PWR-408 PWR-808

Nom. Imped. 4 8 4 8 4 8 4 8 4 8

FS (Hz) 150 150 85 87 70 72 65 68 40 42

RE (Ohm) 3.6 6.9 3.9 7.8 3.8 7.6 3.3 6.6 3.5 7

LE (mH) 0.15 0.23 0.16 0.26 0.3 0.46 0.43 0.67 .69 1.09

QMS 1.99 2.36 1.43 1.63 1.52 1.71 1.57 1.45 2.44 2.35

QES 2.02 2.29 0.47 0.61 0.37 0.42 0.34 0.42 .3 .37

QTS 1 1.16 0.36 0.44 0.3 0.34 0.28 0.33 .27 .32

VAS (cu.ft) 0.035 0.035 0.145 0.145 0.198 0.198 0.445 0.445 1.059 1.059

VAS (liter) 1 1 4.1 4.1 5.6 5.6 12.6 12.6 30 30

Power (Watts RMS) 80 80 100 100 120 120 120 120 200 200

SPL (dB @ 1w/1m) 84.5 84.5 89 89 89 89 93 93 90 90

X-MAX (inches) 0.02 0.02 0.05 0.05 0.06 0.06 0.09 0.09 0.19 0.19

X-MAX (mm) 0.4 0.4 1.2 1.2 1.6 1.6 2.4 2.4 4.8 4.8

Rec.Box Vol. — — — ——— ——1.0 1.0

Port Dia. and Length — — — ——— ——3" x 7" 3" x 7"

Mntg. Dia. (in.) 3 3 3-13/16 3-13/16 4-7/8 4-7/8 5-5/8 5-5/8 6-31/32 6-31/32

Mntg. Dia. (mm) 75.40 75.40 96.80 96.80 123.80 123.80 142.90 142.90 170 170

Mntg. Depth (in.) 1-3/8 1-3/8 2-5/32 2-5/32 2-2/3 2-2/3 3 3 4-3/16 4-3/16

Mntg. Depth (mm) 34.90 34.90 54.80 54.80 67.50 67.50 75.40 75.40 106.4 106.4

SPECIFICATIONS

Rockford Fosgate warrants all loudspeakers to the original purchaser for a

period of two (2) years parts and labor, providing the product was purchased

from an Authorized Rockford Fosgate Dealer. Speakers found to be defective

during the warranty period will be repaired or replaced (with a product deemed

to be equivalent) at Rockford Fosgate’s discretion.

Repaired or replaced

speakers will cover the balance of the original warranty period only

Warranty applies only to original purchaser and is non-transferable. Warranty

does not cover abuse or installation error. If a determination is made that the

product has been abused or is out of the warranty period, it will be repaired,

exchanged, and billed. Parts not covered under warranty will be repaired or

replaced and billed. For speaker boxes, please return the speaker only. Serial

number must be intact to obtain warranty. Speakers must be returned prepaid

to Grand Rapids, Michigan.

GENERAL

Electronics and speaker warranties do not cover any appearance item, any cost

or expense related to the removal or reinstallation of the product, any accessory

used in conjunction with the product, damage to the product resulting from

alteration, accident, misuse or abuse, or improper installation. This warranty

does not apply if the parts or labor, which would otherwise be provided without

charge under this warranty, are obtained from any source other than Rockford

Fosgate or an Authorized Rockford Fosgate Service Center.

The warranty is the only express warranty and does not create any implied

warranties. Rockford Fosgate limits its obligations under any implied warranties

under state laws to a period not to exceed the written warranty period. Some

states do not allow limitation on how long an implied warranty lasts, so the above

limitation may not apply. This warranty applies only to products sold in the United

States of America or its possessions. For warranty outside the U.S.A., please

contact the nearest Authorized Rockford Fosgate Dealer. This warranty gives

the consumer specific legal rights, and the consumer may have other rights

which vary from state to state.

A defective product must be shipped prepaid to the Authorized Rockford

Fosgate Dealer from which the consumer purchased the product or to the

address below, in the original factory carton or equivalent. Any shipping loss or

damage will be borne by the consumer or the consumer’s shipper. Aconsumer

returning a product to the factory must call (800) 669-9899 for a Return

Authorization Number. All shipments shall be clearly marked with the Return

Authorization Number on the outside of the shipping carton.

Rockford Fosgate Speakers:

609 Myrtle N.W.

Grand Rapids, MI 49504 (Receiving-speakers)

WARRANTY INFORMATION

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