Hifonics TW15D4 Owner's manual

Brand: Hifonics

Model: TW15D4

Type: Owner's manual

This manual is also suitable for

Sealed enclosures offer a range of performance

proles depending on the internal air volume.

Larger enclosures will have a smoother more

extended response while a small enclosure

will have increased output in a more focused

frequency range. Sealed enclosures are the

simplest to construct but do require that the box

be completely air tight.

Vented designs offer the ability to tune the

enclosure. Larger enclosures will have a

smoother more extended response while a

small enclosure will have increased output

in a more focused frequency range. Vented

enclosures are more difcult to construct but

offer more overall output.

• Use 3/4” MDF

• Make sure the woofer mounting panel is

full width and height

• Glue all mating surfaces

• Use wood screws

• Use silicone caulk on all internal joints

The internal volume of the

enclosure must be determined

to insure proper performance.

Simply measure height, width and

depth of enclosure you intend

to build. Subtract the material

thickness. Multiply these numbers

and divide by 1728 to get the

volume in cubic feet.

For enclosures with an angled

panel, measure the larger and

smaller depths, add these

together and divide by two. Use

this averaged depth.

Enclosure

Volume

H x W x D

1728

D1 + D2

Sealed

Vented

Enclosure types

Volume calculation

Subwoofer dimensions

CAUTION

Always consider consulting a professional audio installer

before installing new subwoofers. High power audio

systems have the ability create sound levels above 130dB.

Extended exposure to high sound pressure levels can

cause hearing damage.

Always run any new wiring through safe areas that wont

interfere with the normal operation of the vehicle.

Congratulations on your choice of a Hifonics subwoofer.

This “Quick Start Installation” guide is meant to help you

“hook up” and play music. For more detailed information

on system setting, speaker and subwoofer conguration,

and full specications by model, visit the website at

Hifonics.com

It’s a good idea to conrm that you have purchased the

correct size subwoofers to t your vehicle. If you have any

reservations about being able to complete the installation

yourself, we recommend contacting a professional. Be careful

as you go. Always disconnect the negative battery terminal

before starting any electrical work on the vehicle.

TW10 TW12 TW15

Height

12" 14" 17"

Width

12" 14" 17"

Depth

13" 14" 18"

0.654 0.992 2.024

52 Hz 48 Hz 44 Hz

Qtc

0.804 1.058 1.022

TW10 TW12 TW15

Height

12" 14" 17"

Width

20" 23" 26"

Depth

22" 20" 20.25

VH (Vent Height)

10.5" 12.5" 15.5"

VW (Vent Width)

2.5" 2.5" 3"

VL (Vent Length)

23" 27" 22"

VA (Vent Area)

26.25 A(in^2) 31.25 A(in^2) 46.5 A(in^2)

Vb (Box Volume )

1.606 1.888 4.125

39 Hz 41 Hz 35 Hz

41 Hz 37 Hz 33 Hz

Before you start

Sealed

Vented

Recommended enclosures

Enclosure construction

in(mm)

A B C D

TW10

10.09”(256.3) 5.54”(138.6) 9.15”(232.4) 7.54”(191.5)

TW12

12.19”(309.5) 6.09”(154.8) 11”(279.5) 7.54”(191.5)

TW15

15.35”(390) 6.99”(177.6) 13.9”(353) 7.54”(191.5)

Quick Start

Installation Guide

WARRANTY

Maxxsonics USA Inc. warrants this product, to the original consumer purchaser, to be free from

defects in material and workmanship for a period of one (1) year from the date of purchase.

Maxxsonics USA Inc. will, at it’s discretion, repair or replace defective products during the warranty

period. Components that prove to be defective in materials and workmanship under proper installation

and use must be returned to the original authorized Maxxsonics USA Inc. retailer from where it was

purchased. A photocopy of the original receipt must accompany the product being returned. The

costs associated with removal, re-installation and freight are not the responsibility of Maxxsonics

USA Inc. This warranty is limited to defective parts and specically excludes any incidental or

consequential damages connected therewith. To view the full warranty, please visit the website.

Hifonics products are designed and engineered in the USA by

www.maxxsonics.com

HF TW QSG 01 - rev1

A Low pass lter will allow only

the bass frequencies to reach the

woofer making for a more natural

transition to the higher frequency

drivers. Check your amplier’s

manual for details.

We recommend using an

electronic subsonic lter. This will

help to protect the woofer from

extreme low frequency distortion.

Many ampliers are equipped

with this type lter. Check your

amplier’s manual for details.

This subwoofer is equipped with

push and insert type terminals.

Strip back 1/2” wire insulation.

Push down on the terminal, then

insert the wire and release.

Depending on the number of woofers you intend to use,

you can congure the wiring to provide the best impedance

load for your system. Below are some examples. Consult

your amplier’s manual for recommendations.

Low Pass (LPF)

Subsonic

4Ohm DVC Congurations

Connections

Crossovers

Wiring

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

35 250Hz

LPF

15 35Hz

SUBSONIC

35 250Hz

LPF

15 35Hz

SUBSONIC

10Hz 100Hz 1000Hz

Depending on the number of woofers you intend to use,

you can congure the wiring to provide the best impedance

load for your system. Below are some examples. Consult

your amplier’s manual for recommendations.

2Ohm DVC Congurations

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

4 4

2 2

4 4

2.7

4 4

2 2

4 4

1.4

2 2

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Hifonics TW15D4 Owner's manual

Brand: Hifonics

Model: TW15D4

Type: Owner's manual

This manual is also suitable for

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Hifonics TW15D4 Owner's manual

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