About the Infinity Kappa Perfect12 VQ
Infinity understands that the difference between good bass and great bass is in the details. Incorporating the latest low-frequency innovations, the Kappa Perfect12 VQ 12" subwoofer delivers unbeatable performance and system-tuning flexibility.
Resonance is a big time enemy of great bass, and Infinity's revolutionary Magnesium Metal Matrix (M3D) is the ultimate cone material — it's 20 times less resonant than aluminum! Housed in its die-cast frame, the M3D cone is an ultra-stiff piston that translates the low-frequency signal from your amplifier with frightening accuracy. The butylene rubber one-piece surround/gasket exerts tight control over cone excursion so you'll hear smooth bass even when you're really cranking it!
The Kappa Perfect VQ subwoofer offers the unique Variable Q feature, which allows you to optimize the speaker for use with a variety of enclosures — sealed, ported, or bandpass (even free-air applications). The sub is shipped with two metal polepiece inserts, which can be plugged into the motor assembly to vary the stiffness of the suspension:
- large insert: small sealed or ported boxes, SPL competition
- small insert: medium size sealed or ported boxes
- no insert: very large enclosures or free-air use
This patent pending approach also allows you to change the character of your bass for different applications. Imagine — you could tune your subs for sound quality during the week, then retune for an SPL competition on the weekend! Leave it to Infinity to take bass to a whole new place.
Details:- Magnesium Metal Matrix (M3D) cone
- large-roll butyl-rubber surround
- Variable Q
- massive cast-aluminum basket
- 3" voice coil
- suitable for free-air use (handles up to 200 watts in free-air mode)
- recommended power range 75-400 watts RMS
- peak power handling 1,600 watts
- frequency response 23-400 Hz
- sensitivity 89 dB
- top mount depth 7"
- sealed box volume 0.4-1.25 cu. ft.
- ported box volume 1.75-3.00 cu. ft.
- Recommended Q-Logic Box Type: 1, 2, 3
- 3-year warranty
Priced per speaker
What's in the box:
Infinity Kappa Perfect12 VQ owner's manual
- One 12" woofer
- 1 "LoQ" metal polepiece insert (large)
- 1 "MidQ" metal polepiece insert (small)
- 1 Self-adhesive foam gasket
- 1 Insert tool
- Instructions
- Warranty card
- One 8" x 2-1/2" Infinity sticker
Customer reviews for Infinity Kappa Perfect12 VQ
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More details on the Infinity Kappa Perfect12 VQ
Features & specs
| Features and Specs | ||
|---|---|---|
| Size | 12 -inch | |
| Impedance (Ohms) | --- | |
| Cone Material | Magnesium Metal Matrix | |
| Surround Material | Nitrile-butylene-rubber | |
| Port diameter (inches) | N/A | |
| Port length (inches) | N/A | |
| Free-Air | Yes | |
| Dual Voice Coil | No | |
| Sensitivity |
89 dB at 1 watt | |
| Frequency Response | 23 - 400 Hz | |
| Max RMS Power Handling | 400 | |
| Peak Power Handling (Watts) | 1600 | |
| Top Mount Depth (inches) | 7 | |
| Bottom Mount Depth (inches) | 7 3/4 | |
| Cutout Diameter or Length (inches) | 11 1/16 | |
| Frame Width | 12.475 | |
| Frame Length | 12.475 | |
| Vas (liters) | 96.43 | |
| Fs (Hz) | 22.19 | |
| Qts | 0.47 | |
| Xmax (millimeters) | 16.75 | |
| Parts Warranty | 3 Years | |
| Labor Warranty | 3 Years | |
| Box Requirements | ||
| Ideal Sealed Box Volume (cubic feet) | N/A | |
| Minimum Sealed Box Volume (cubic feet) | 0.4 | |
| Maximum Sealed Box Volume (cubic feet) | 1.25 | |
| Ideal Ported Box Volume (cubic feet) | N/A | |
| Minimum Ported Box Volume (cubic feet) | 1.75 | |
| Maximum Ported Box Volume (cubic feet) | 3 | |
Product Research
Features
Enclosure Compatibility
Specifications
Magnesium Metal Matrix (M3D) Woofer Cone: Magnesium Metal Matrix (M3D) is 20 times less resonant than aluminum, delivering superior stiffness and damping.
Nitrile-butylene-rubber One-piece Surround and Gasket: This material provides an optimum blend of elasticity and internal damping. The large roll offers good long-throw linearity with the proper amount of control and stability at excursion limits.
Proprietary Die-cast Frame: The frame offers ample rigidity to support the motor structure, and its vented architecture provides greater movement of air behind the cone and spider for maximum cooling.
Spider-integrated Tinsel Leads: The spider-integrated tinsel leads enhance reliability and eliminate audible tinsel lead slap.
Variable Q: The Kappa Perfect VQ subwoofer offers the unique Variable Q feature, which allows you to optimize the speaker for use with a variety of enclosures - sealed, ported, or bandpass (even free-air applications). The sub is shipped with two metal polepiece inserts, which can be plugged into the motor assembly to vary the stiffness of the suspension:
- Large "LoQ" Insert: small sealed or ported boxes, SPL competition
- Small "MidQ" Insert: medium size sealed or ported boxes
- No Insert: very large enclosures or free-air use
Gold-plated 5-way Binding Posts: The gold-plated 5-way binding posts will accept pin connectors, spade connectors, banana plugs, dual banana plugs, and bare wire.
Recommended Sealed Box Volume: The sealed box sizes recommended by Infinity range from 0.4 cu/ft to 1.25 cu/ft.
Recommended Ported Box Volume: The ported box sizes recommended by Infinity range from 1.75 cu/ft to 3.0 cu/ft. One 4" diameter x 14.5" long port should be used with the 1.75 cu/ft enclosure and one 4" diameter x 16" long port should be used with the 3.0 cu/ft enclosure.
Recommended Sealed Bandpass Box Volume: The bandpass box sizes recommended by Infinity range from 2.0 cu/ft to 3.2 cu/ft. The 2.0 cu/ft enclosure has a sealed chamber volume of 1.0 cu/ft and a vented chamber volume of 1.0 cu/ft. The 3.2 cu/ft enclosure has a sealed chamber volume of 2.0 cu/ft and a vented chamber volume of 1.2 cu/ft. One 4" diameter x 10.5" long port should be used with the 2.0 cu/ft enclosure and one 4" diameter x 6.8" long port should be used with the 3.2 cu/ft enclosure.
Free-air Mounting: In addition to being compatible with sealed, ported and bandpass enclosures, the woofer can be used in free-air applications. A free-air subwoofer is designed to be mounted on a baffle board, which separates two areas of the vehicle. For instance, you could mount this woofer to a board attached to the rear deck or placed in the trunk against the rear seat. The trunk acts as the enclosure housing the subwoofer.
Note: When used as a free-air subwoofer, no metal polepiece insert is required.
Thiele/Small Parameters: The following Thiele/Small parameters change depending on which metal polepiece insert is used:
- BL:
- Large "LoQ" Insert: 15.55 Tesla meters
- Small "MidQ" Insert: 12.19 Tesla meters
- No Insert: 9.67 Tesla meters
- Qes:
- Large "LoQ" Insert: 0.36
- Small "MidQ" Insert: 0.5
- No Insert: 0.79
- Qts:
- Large "LoQ" Insert: 0.34
- Small "MidQ" Insert: 0.47
- No Insert: 0.74
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Customer Q&A
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I got two of these about a year ago and wouldn't trade them for anything else. They hit hard and loud and can handle anything I throw at them. I would recommend these to anyone looking for great sound.
Travis from Rapid City, SD