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HF SERIES

CAR AUDIO SUBWOOFERS

Congratulations on your purchase of the new Hifonics HF Series 
subwoofer system. The HFX12D4 subwoofer offers 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 authorized 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.

DVC 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
Spade Style 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

For product videos and great tutorials, check out

www.youtube.com/maxxsonicsusainc

Summary of Contents for HFX12D4

Page 1: ...HFX12D4 ...

Page 2: ... can ensure a problem free and cosmetically integrated installation If you choose to install the subwoofers yourself please read the entire manual very carefully DVC 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 Spade Style Speaker Terminals Poly Light Dust Cap Heat Dispersing...

Page 3: ... 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 prev...

Page 4: ...3 ...

Page 5: ...oud 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 e...

Page 6: ...5 HFX12D4 DVC 4Ohms Parallel Coils Parallel Subs 1 Ohm 4 Ohms Series Coils Parallel Subs Parallel 2 Ohms Series 8 Ohms ...

Page 7: ......

Page 8: ...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 yo...

Page 9: ...PART U1210 ...

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