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Robert Bosch Corporation
Sales Group - Blaupunkt Division
2800 S. 25th Avenue,  Broadview, Illinois  60153  U.S.A.
http://www.blaupunkt.com

Copyright 1998 by the Robert Bosch Corporation
No portion of this work may be reproduced in any form without the written consent of the Robert Bosch Corporation

Printed in China (7/98, 2nd Edition)

Содержание Blau PCwg100

Страница 1: ... VE ER R P R O COMP DRIVER PCwg100 PCwg120 Professional Quality Component Subwoofers Subwoofers à composant de qualité professionnelle Subwoofers con componente de calidad profesional Subwoofers com componente de qualidade profissional ...

Страница 2: ...Purchase Date Retailer Address City State Zip Telephone Installer Vehicle PURCHASE INFORMATION OTHER NOTES ...

Страница 3: ...focus on our new subwoofers is the vacuum formed polypropylene cone material offering lighter mass compared to older paper cones but without the flexing properties common to paper This gives a much tighter bass response without distortions often found at high listening levels Below is a good summary comparing old cones with the new technologies In addition to the vacuum formed poly cones is the ex...

Страница 4: ... and speaker wires are routed away from high current power lines for audio amplifiers and vehicle systems lines when possible This will help prevent noises from creeping into the audio system plus prevent potential damage to the vehicle wiring itself BE CARFUL WITH ALL CONNECTIONS When making connections make sure each connection is clean and properly secured Observe all polarity markings carefull...

Страница 5: ...ividing network must be installed that keeps the low frequencies out of the midrange speakers Such a crossover network directs the higher and lower frequencies to their respective drivers Such a crossover can be passive simple coils and capacitors that limit the operating frequencies seen by their respective speakers A crossover can also be active where an electronic box must be installed in front...

Страница 6: ...nse and smooth low frequency roll off Disadvantages moderate to large box sizes moderate efficiency moderate sound pressure levels VENTED BOX a k a Ported Box and Bass Reflex is simply a sealed box but with a specifically tuned tube inserted It extends the low frequency response compared to a sealed box Advantages low cut off frequency low distortion in its operating pass band excellent efficiency...

Страница 7: ...to its small size and better frequency contouring But it must be placed in front of the amplifier and process the signals via the RCA cables This is rarely a problem in most installations The passive design is more of a brute force process requiring large inductors and capacitors but it is often a cheap and dirty way to get bass response into the car quickly and without noise problems sometimes as...

Страница 8: ... by improper installation on uneven surfaces This can occur when surfaces are heavily padded or carpeted and the screws are unevenly tightened or over tightened The results will be a damaged voice coil assembly due to knocking it off center When installing more than one speaker per amplifier channel be sure that the combined impedance values will not damage the amplifier should they be too low i e...

Страница 9: ...asured in cubic inches in3 Such calculations depend upon height width and depth calculations for rectangular shapes and a diameter and height for a tube shape AREA AND VOLUME CONVERSIONS Technical data for speakers are often given in English and Metric unit values e g inches and meters Also when calculating dimensions we must often flip between size formats e g cubic inches and cubic feet To easil...

Страница 10: ...ounted on the box for electrical connections are highly recommended It is then easy to remove the box from the vehicle for service or theft protection Where possible use the largest diameter port tubes to prevent wind noise PVC plumbing pipe is inexpensive and is common in 3 4 and 5 diameters PVC elbow connectors allow you to make turns inside the box with the average diameter being along the cent...

Страница 11: ...writing by an officer of Robert Bosch Corporation THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OR REPRESENTATIONS EXPRESS OR IMPLIED INCLUDING ANY WARRANTY IMPLIED BY LAW WHETHER FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE AND SHALL BE EFFECTIVE ONLY FOR THE PERIOD THAT THIS EXPRESS WARRANTY IS EFFECTIVE In the event any provision or any part or portion of this warrant...

Страница 12: ...tion DC resistance Re 3 56 ohms Force factor BL 10 2 Tm Effective cone area Sd 320 sq cm Compliance Cms 540 uM N Moving mass Mms 61 g COMMON BOX DESIGNS SEALED BOX VOLUME cu ft COMMENTS Small box 0 5 Not a lot of deep bass but O K for most listeners Pounder 1 0 O K low end but tons of power handling JAM ON IT Most accurate 1 5 Very natural low frequency performance with good transient response VEN...

Страница 13: ... Freq Freq Port tube length for 3 I D port Port tune freq Sealed rear box volume Vented front box volume Port tube length for 4 I D port cu ft Hz Hz Hz cu ft cu ft in in dB 0 75 52 140 85 0 4 0 35 4 4 8 8 90 1 00 45 130 75 0 5 0 5 4 6 9 1 90 1 25 45 110 70 0 6 0 65 4 3 8 6 90 1 50 43 95 65 0 7 0 8 4 2 8 5 89 1 75 38 92 60 0 7 1 05 5 3 10 4 88 2 00 32 95 55 0 7 1 3 6 7 13 0 87 VENTED BOX VT f3 fB P...

Страница 14: ...tion DC resistance Re 3 47 ohms Force factor BL 10 3 Tm Effective cone area Sd 500 sq cm Compliance Cms 340 uM N Moving mass Mms 84 g COMMON BOX DESIGNS SEALED BOX VOLUME cu ft COMMENTS Small box 0 75 Not a lot of deep bass but O K for most listeners Pounder 1 5 O K low end but tons of power handling JAM ON IT Most accurate 2 0 Very natural low frequency performance with good transient response VE...

Страница 15: ...rt tube length for 4 I D port cu ft Hz Hz Hz cu ft cu ft in in dB 0 75 78 180 120 0 5 0 25 0 75 1 75 93 1 00 55 150 90 0 6 0 4 1 7 4 0 92 1 25 45 130 75 0 8 0 7 2 0 4 5 91 1 50 40 120 65 1 1 0 9 2 0 4 3 90 2 50 35 95 60 1 25 1 25 2 0 4 5 90 3 50 25 85 47 1 25 2 25 4 6 9 3 87 VENTED BOX VT f3 fB PL PL SPL Total box volume Freq Port tune freq cu ft Hz Hz in in dB 0 50 62 40 9 1 NR 92 0 75 55 40 5 6 ...

Страница 16: ...erform well All dimensions are stated for exterior sizes and are calculated with compensations for box wall thickness using 3 4 wood Also each volume is adjusted for air volume displacements for a woofer average 0 15 cu ft for 10 12 woofer and a mid size port 3 dia x 7 long Please be aware of the small impact that box size fluctuations has on the end sound quality loudspeaker enclosure interior si...

Страница 17: ...n the same cabinet 4 How many ports do you have or want Diameter and length in inches of each Diameter Length 5 Do you want round or square ports or another style 6 What is the grand total cubic volume of the box you want 7 What mounting dimensions in inches are you limited to Height Width Depth 8 How much amplifier power watts rms are you applying to each woofer 9 Is there any other information w...

Страница 18: ...S 25th Avenue Broadview Illinois 60153 U S A http www blaupunkt com Copyright 1998 by the Robert Bosch Corporation No portion of this work may be reproduced in any form without the written consent of the Robert Bosch Corporation Printed in China 7 98 2nd Edition ...

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