Hifonics HFi12S4 Manual de usuario

HFi SERIES

CAR AUDIO SUBWOOFERS

Congratulations on your purchase of the new Hifonics HFi Series

subwoofer system.

The HFi subwoofer series offer superior sonic accuracy, intense high

power sound quality with exotic build materials and outstanding

good looks.

As with all high quality car audio products, we recommend

professional installation by an authorised Hifonics dealer.

Your dealers knowledge and experience can ensure a problem free

and cosmetically integrated installation.

If you choose to install the subwoofers yourself, please read the entire

manual very carefully.

Available in DVC & SVC 4-Ohm High-Temp KSV Voice Coils

1” NBR Reinforced Rubber Surround

Large Air Cooled Magnet Assembly

Integrated One Piece Poly Cotton Spider

Injected Poly Light Rigid Cone

Nickel Plated Push & Insert Speaker Terminals

Poly Light Dust Cap

Heat Dispersing Ported Back Plate

Ultra Ridged Chrome Stamped Steel Basket

High Strength ABS Motor Cover

Operates In Sealed & Ported Enclosures

SUBWOOFER INSTALLATION AND WIRING DIRECTIONS

Enclosure Materials

Typically, 5/8” or 3/4” MDF (Medium Density Fiber Board) is best

for most applications. 3/4” MDF is recommended.

Enclosure Build Materials

Connecting joints need to be glued and screwed to ensure no

air escapes and joints do not separate under high pressure.

Mitered and rabbit joints also help to ensure the enclosure joints

are secure.

Bracing

Internal bracing is also recommended to prevent flexing and to

strengthen the enclosure.

Note: The volume taken up by the bracing should be added to the

total enclosure interior volume.

There are two common bracing methods.

1. Corner Bracing: These help prevent the connection joints

from separating under heavy vibration and air pressure.

Use 1’ x 1” MDF at all interior joints

2. Diagonal Bracing: These internal braces connect the top side

to the bottom side as well front side to back side. This prevents

the wood from bowing or pushing outwards.

Use 1” x 2” with 1” surface contact that is glued and screwed.

Wiring

Wiring Parallel, Series or Parallel/Series will affect the final

impedance at the amp and great care must taken to ensure the

amp is not driven below it’s intended impedance capabilities.

Parameters HFi12S4 HFi12D4

W iring Single Series Co ils

NomZ 4.2 8.88 Ohm

Sd 0.05 0.05 sqM

Revc 3.5 7.4 Ohm

BL 10.85 13.92 TxM

Vas 104.86 107.4 Liter

Cms 278.74 285.49 uM/N

Mmd 109.41 97.39 Grams

Mms 116.12 104.1 Grams

Fs 27.98 29.2 Hz

Qms 5.12 4.64

Qes 0.607 0.729

Qts 0.542 0.63

no 0.366 0.354 %

SPL@1W 87.7 87.68 dB

Xmax 11 11 mm

Rms 300 300 W atts

Maxx 600 600 W atts

Box Volume 1.25 / 35.4 1.25 / 35.4 Cubic Feet / Liters

Qtc 0.96 0.94

F3 46 46 Hz

Box Volume 2.15 / 60.88 2.15 / 60.88 Cubic Feet / Liters

Qtc 0.87 0.8

F3 40 41 Hz

Box Volume 1.65 / 46.72 1.75 / 49.55 Cubic Feet / Liters

Fb 40 40 Hz

Port Size (inside diameter) 3 / 76.2 3 / 76.2 In ch e s/ M illim e t e rs

Port Length 5.6 / 142.2 5 / 127 In ch e s/ M illim e t e rs

F3 39 39 Hz

Box Volume 2.5 / 70.79 2.5 / 70.79 Cubic Feet / Liters

Fb 33 34 Hz

Port Size (inside diameter) 3 / 76.2 3 / 76.2 In ch e s/ M illim e t e rs

Port Length 5 / 127 4.6 / 116.84 In ch e s/ M illim e t e rs

F3 32 33 Hz

NOTE: All above box volumes are internal values and already include subwoofer and port displacement.

The F3 value represents the -3db cut off of the enclosure in Hz.

Polyfill may be added to sealed enclousres to reach the desired Q-Value.

HIFONICS HF SERIES SUBWOOFERS

CLOSED BOX DESIGNS (SEALED)

Standard Tight Bass

FEATURES ARE SUBJECT TO CHANGE WITHOUT NOTICE

Optimal Sound Quality-Flat Response

Standard Tight Bass

Optimal Sound Quality-Flat Response

VENTED BOX DESIGNS (ROUND PORT)

enclosures

Q The energy losses of relative damping (ratio of stored to dissipated

energy or ratio of reactive to resistive energy).

Fs Free air resonance of driver in Hz.

Qms Mechanical Q.

Vas Volume of air equivalent to driver from the rest position.

Cms Mechanical compliance of a loud speaker piston.

Mms Moving mass of total loud speaker piston assembly.

Xmax The maximum linear excursion of a loud speaker.

Sd Surface area of the cone.

Dia The piston diameter of a loud speaker.

Qes Electrical Q of a system.

Re DC resistance.

Le VC inductance.

Pe Maximum input power.

Qts Total Q of the system.

Sens Sensitivity. An efficiency measurement in dB’s.

Vc Volume of a closed or sealed enclosure

Vb Volume of a vented enclosure.

Fc The resonant frequency of a closed or sealed system

Fb The resonant frequency of a vented system

F3 The half-power (-3dB) frequency of a loud speaker enclosure

Qtc The Q of a loud speaker at Fc in a closed box, considering both

it’s electrical and mechanical resistance.

QL The Q of a vented box, resulting from all box losses.

DV Diameter of vent.

LV Length of vent.

H Height.

W Width.

D Depth

Glossary of Terms

HFi12D4

DVC 4Ohms

Parallel Coils / Parallel Subs

-1-Ohm

+8-Ohms

Series Coils / Parallel Subs

Parallel

+2-Ohms

Series

-8-Ohms

10.94” / 278.5mm

2.8” / 71mm

5.61” / 142.5mm

Subwoofer Dimensions

As the manufacturer of Maxxsonics, MB Quart, Autotek, Crunch and Hifonics car audio products,

Maxxsonics USA Inc. Warrants to the original consumer purchaser the amplifier to be free from

defects in material and workmanship for one (1) Year from date of purchase.

All other parts and accessories of the system are warrantied to be free from defects in

material and workmanship for one (1) year from date of purchase. Maxxsonics will

repair or replace at it’s option and free of charge during the warranty period, any system

component that proves defective in materials and workmanship under normal installation,

use and service provided that the product is returned to the authorized Maxxsonics dealer

from where it was purchased. A photo copy of the original receipt must accompany the

product being returned.

Valid purchase receipts will contain the name and address of the authorized reseller.

Any damage to the product as a result of misuse, abuse, accident, incorrect wiring,

improper installation, alteration of date code or bar code labels, revolution, natural

disaster, or any sneaky stuff because someone messed up, repair or alteration out side

of our factory or authorized service centers and any thing else you have done that you

should not have done is not covered.

This warranty is limited to defective parts and specifically excludes any incidental

or consequential damages connected therewith. This warranty is not to be construed

as an insurance policy.

Warranty on installation labor, removal, re-installation and freight charges are not the

responsibility of Maxxsonics USA Inc.

Warranty products damaged as a result of insufficient or improper packing materials

are not covered by this limited warranty and such damaged product will be returned

“as is” at the expense of the owner.

Maxxsonics Limited Warranty

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