AudioBahn AWIS12J Bedienungsanleitung

PLEASE READ THIS MANUAL

BEFORE OPERATING THIS UNIT.

RETAIN FOR FUTURE REFERENCE.

AWIS12J / AWIS15J

OWNER’S MANUAL

To bring the product to market that excites the consumer through sound and

vision from an orientation of integrity and customer service. We make you look as

good as you sound. We strive to take car audio to an extreme the world has never

seen, and a world that never stops evolving.

Audiobahn was established in 1997 with one long-term goal in mind, “Build

it Bigger, Badder, & Better, and the people will take notice!” We back this statement

with an engineering team that has brought home several Innovations, Design &

Engineering Showcase Awards, and a marketing team from around the world that

spends countless hours developing our no compromise products to satisfy the most

discriminating enthusiasts.

Our global manufacturing facilities feature ISO9002 ratings (the highest level

of quality control awarded in the electronics manufacturing industry), fully robotic as-

sembly lines and a state of the art, California based R & D laboratory.

Our Technical Department and entire staff look to strive above and beyond

the rest of the pack by going that extra mile to help you out. Whether you happen to

be a veteran competitor, or a beginner car audio enthusiast who does not know a

voice coil from a spider. We are all her to help you get the best system you can with

what you have.

Judge for yourself, and remember what it’s all about, “If it’s not Bigger, Bad-

der & Better, it’s not Audiobahn.” If audio is your life, Audiobahn is the brand for you!

We make you look as good as you sound. People never stop trying to get the best

product, so we will never stop making it.

The Audiobahn Way

Introduction___________________________________________________ 3

Woofer Introduction_____________________________________________ 4

Woofer Specications_____________________________________________ 5-6

Thiele / Small Parameters_________________________________________ 7

Box Parameters_________________________________________________ 8

Enclosures and Setup___________________________________________ 9

Troubleshooting________________________________________________ 10

Warning and Disclaimer__________________________________________ 11

Warranty______________________________________________________ 12-13

Notes_________________________________________________________ 14

TABLE OF CONTENTS

Dear Customer,

Congratulations on your purchase of the worlds nest brand of car audio products. Here at

Audiobahn Inc. we are devoted to making our musical reproduction the vert best, and we

are pleased you have chosen our product. Through years of engineering expertise, 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 Audiobahn product installed by

an Authorized Audiobahn Dealer, as we provide specialized training through our Audiobahn

Installer Training Programs. Please read your warranty, keep your receipt, and original

carton for possible future use.

To get a free brochure on Audiobahn products in the US call (714) 452-1476 or e-mail us at

[email protected].

WARNING

Continuous exposure to sound pressure levels over 100dB may cause permanent

hearing loss. High powered autosound systems may produce sound pressure levels

well over 135dB. Need we say more! Use common sense.

If after reading this manual you still have questions regarding your product, we recom-

mend that you see your nearest Audiobahn Dealer. A list of Authorized Audiobahn

Dealers can be found on our web page. If you need further assistance, feel free to call

us at (714) 452-1476 and ask for the Technical Department. Be sure to have the model

number, date of purchase, and invoice number available when you call.

The model number can be located on the outside of the carton. Record this in the space

provided below along with the date of purchase. It is a good idea to keep your receipt

with this as you will need it in the case of needing a warranty, repair service or ex-

change.

Date of Purchase: _____________________Model Number:___________________

INTRODUCTION

Woofer Introduction

Audiobahn woofers are a low frequency driver designed primarily for use in small sealed or

vented enclosures depending on the model of sub. Please check the specications in this

manual, our website at www.audiobahn.com. As specications and parameters are subject

to change, we highly advise always checking our website or calling us for the most current

information. By utilizing the latest materials and construction design and techniques, we

are able to offer a sub woofer with optimized low frequency response..

Woofer Content

Audiobahn Quad 2 Ohm Voice Coil Sub

Audiobahn Sticker

Installation & Owner’s Manual

Wipe Towel

Registration and Warranty Card

Cast Basket

The quad voice coil woofers use a polished chrome aluminum cast basket. This ensures a

perfect alignment on each and every woofer. Unlike stamped baskets the cast basket can

not bend or tweak under normal play and wear. Rigidity is important when trying to achieve

high SPL and loud bass response..

Concave Aluminum Dust Cap

The cone is made with 2-layers or High-Tech Carbon Fiber braided material. This provides

the best combination of weight and strength, which allows for extremely high levels of

output without cone failure. The convex shape of the cone provides increased rigidity and

lowers distortion.

Woofer Specifications

Extended Pole Piece

The pole piece has been extended to provide a more linear magnetic eld for the opera-

tion of the woofer. This lowers distortion and provides the woofer with better low frequency

response.

Vented Oversized Back Plate

The back plate has been stepped deeper to allow the woofer more excursion without bot-

toming out. Additionally, the back plate is vented with a radius aerodynamic back vent

which efciently and quickly circulates cool air around the voice coil. This allows for more

excursion and higher power handling without damaging the sub.

Voice Coil

The 4-Layer, edge wound voice coil design of the speaker allows for a variety of impedance

loads to be congured when matched with multiple subs. Please continue to the wiring

diagram portion of this manual for possible congurations you can run. The Natural Sound

subs have a dual 4 ohm voice coil operation.

Woofer Features

Tall Treated Foam Surround

The tall treated foam surround is resilient to temperature variations and provides the

consistent support necessary for the linear motion of the speaker cone. In addition, the

inherent damping capabilities eliminates the transmission of sonic disturbances between

the cone and the frame of the speaker. This greatly improves the clarity of the speakers

frequency response. The narrow surround also allows for greater surface area of the cone,

thus increase efciency for SPL.

Flat Spider

The speaker linear compliance is balanced trough the use of a at spider design. A at spi-

der provides symmetrical control of the voice coil through it’s cone excursion. Linear cone

excursion reduces harmonic distortion for improved sound quality. This allows for reduced

mechanical distortion for better sound quality.

Chrome Finish

Chrome has long been an industry standard in terms of durability in protective metal n-

ishes. We have spared no expense in this area and not only is it a protective nish, but it is

also a great addition to any plexi style enclosure.

Convex Dust Cap

The use of a convex dust cap is used to increase the cone rigidity and improve power han-

dling by forcing more air through the voice coil. Added benets include smooth frequency

response.

Parameters

Model # AWIS12J AWIS15J

Fs 50.75 Hz 45Hz

Qts 0.461 0.493

Qes 0.49 0.53

Qms 9.05 7.21

Vas (Liters) 20.46 Liters 47 Liters

Vas (Cu. Ft.) 0.72 Cu. Ft. 1.66 Cu. Ft.

Re 1.3 ohms 1.3 ohms

Le 2.17 mH 2.41 mH

Mmd 165.64 grams 172.66 grams

Xmax +/-14.5mm +/-16.5 mm

RMS 2000 watts 2250 watts

Sd 0.049 M2 0.088 M2

Freq. Resp. 23Hz - 700Hz 20Hz - 700Hz

Efficiency 95 dB 97 dB

EBP 104 85

Depth 8 5/8" 9 5/8"

Hole 10 7/8" 13 3/4"

Displacement 0.4 0.7

An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box.

Dimensions

Audiobahn Woofer Parameters

Vas does not represent the volume of a Box. Vas is just a parameter used when calculating a box.

Box Parameters

Model # AWIS12J AWIS15J

Ported

Air Space (Cu. Ft.) 1.45 1.9

Port Size (Inches) 4 x 11.75 4 x 10

Port Vel. (%) 16.73 15.96

-3dB (Hz) 34.69 37

Tune Freq. (Hz) 40 37

Sub Disp. (Cu. Ft.) 0.4 0.7

Port Disp.(Cu. Ft.) 0.097 0.083

Total Vol. (Cu. Ft.) 2 2.5

Ported

Air Space (Cu. Ft.) 2.3 2.7

Port Size (Inches) (2) 4 x 15 (2) 4 x 15

Port Vel. (%) 11.81 10.19

-3dB (Hz) 33.81 32.31

Tune Freq. (Hz) 40 37

Sub Disp. (Cu. Ft.) 0.4 0.7

Port Disp.(Cu. Ft.) 0.25 0.25

Total Vol. (Cu. Ft.) 3 3.5

Ported

Air Space (Cu. Ft.) 3.4 3.75

Port Size (Inches) (2) 4 x 10 (2) 4 x 11.25

Port Vel. (%) 15.18 12.72

-3dB (Hz) 32.27 35

Tune Freq. (Hz) 38 29.84

Sub Disp. (Cu. Ft.) 0.4 0.7

Port Disp.(Cu. Ft.) 0.167 0.184

Total Vol. (Cu. Ft.) 4 4.5

EBP 104 85

Model # AWIS12J AWIS15J

Sealed

NR NR

Minimum (Cu. Ft.)

Maximum (Cu. Ft.)

SPL (dB)

All sealed boxes already include the displacement for the subwoofer. NR = (Not Recommended)

Remember to build your box to the total volume, not just air space, as total volume includes all displacement.

Audiobahn Box Specifications

An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box.

The larger a sealed box is, the lower the sub will play, but the less power it will handle. The smaller a sealed box is,

the higher the frequency the sub will play, and the more power it will handle.

All ports listed are circle ports unless otherwise stated. Surface area of a circle port = (3.14) X (radius) (squared)

Ultimate SPL Bass Box

(Not Designed for Competition)

Everyday Bass Performer

Space Saver Bass Design

A port velocity of 20% or under is good for everday use and 5% or under for SPL competition . Port velocity

translates to port noise, so the lower the number, the less port noise you will incur.

Enclosure And Setup

Building an Enclosure

To work properly, the walls of the enclosure must be rigid and not ex when subjected to

high pressure generated by the speaker’s operation. For optimum performance, we recom-

mend using 3/4” MDF (Medium Density Fiberboard) and internal bracing. The enclosure

should be glued together along with support of screws or nails. Because MDF is porous, it

is suggested that you seal the outside with polyurethane prior to painting or carpeting.

Calculating Volume

Calculating is merely a matter of measuring the dimensions in inches, and using the follow-

ing formula:

Box Volume = (Height) x (Width) x (Depth) divided by 1728. This will give you the volume

of the box in cubic feet.

If two facing sides are uneven length, add them together, and divide by 2 to take the aver-

age. Using this number will give you the volume without the necessity of calculating the

box in sections, and adding the sections together. The thickness of the bafe material

reduces the internal volume so this must be subtracted from the outside dimensions to

determine the internal volume. The amount of air displaced by each model is listed on the

specications sheet in this manual and should also be subtracted from the gross volume

calculation. All box parameters include displacement for ports and subs. These specs do

not include the volume of the material used to bond the box, so this must still be factored

into the calculation.

Subwoofer Crossover

There are two operational types of crossovers, passive and active. Passive crossovers

(coils and conductors) are placed on the speaker leads between the amplier and the

speaker. An active crossover is an electronic lter which separates the audio signal fed to

different ampliers. For optimum subwoofer performance, we recommend using an active

80-100Hz low pass crossover at 12dB/octave.

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