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Driver parameters This was a KEF driver but cannot find it's parameters anywhere? (Vas, Fs, qts, qtc, fb, d, s)

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What is the vas,fs,pe,qes and qts for a 8000 watts targa venom sub woofer?


5000w Peak PowerSPL (Efficiency, 1W/1M) - 89.1dBNominal Impedance - 2/4/8 OhmsQts (total speaker "Q") - 0.42Vas (Equivalent compliance) - 75.9LMounting Depth: 156mmMounting Hole Diameter: 280mm

Oct 22, 2016 | Car Audio & Video

1 Answer

Wiring 2 subwoofers


If wired in parallel, you'll get more output, but the combined impedance will be half.

If this is a system you are building, and you are putting both drivers in the same box, the Vas will double. A driver with a Qts above .5 will require a very large box. If they have a low Qts, then the optimum box will be smaller, but the lower bass output will not be as good.

If the Fs/Qes = 50 or so, a sealed box is generally better. If it's around 100, then a ported box is likely to be a better choice.

Oct 23, 2015 | Jl Audio 10W3v3-4 10-inch subwoofer driver

1 Answer

I need to know if the specifications for the Perfomance Teknique ICBM-5712DX RMS total wattage is for both coils or per coil. The RMS total wattage rating is 500 watt


The 500W RMS total wattage is for both coils combined. If you want to get REALLY specific, all of the industry-specific specifications are as follows.
  • 12" Dual 4 Ohm Peformance Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 500 watts
  • Impedance: Dual 4 ohm
  • Reinforced aluminum curvilinear cone woofer
  • Oversized butyl rubber surround
  • 5 spoke Die-cast aluminum basket
  • 2" Flat ultra excursion spider
  • Industrial Chromed Hex bolt retained T-Yoke
  • DC resistance (Re): 3.2 ohms each coil
  • Frequency range: 20 Hz-1.1 kHz
  • Fs:30 Hz
  • QTS:.526
  • QES:.614
  • QMS:7.698
  • VAS:56L
  • SD:.0491M
  • SPL: 89.58 dB 1W/1m
  • Xmax:16mm
  • Mounting Depth: 160 MM
  • Mounting Hole Dia.:282 MM
  • Mar 01, 2011 | Performance Teknique ICBM-5712DX 12in Car...

    1 Answer

    What are specs for a ported subwoofer enclosure for a 12" pioneer champ series


    TS-W307D2
    Design and Specifications
    12” Dual Voice Coil (DVC) Subwoofer for Enclosure applications 1,200 Watts Max. Power Handling 400 Watts Nominal Rating Qts = 0.44 Xmax = 8.7mm Fs = 33.9 Hz Vas = 42.2 litres Frequency Response : 18 ~ 500 Hz. Efficiency : 89 dB Impedance : 2 x 2 Ohm (Total 1 or 4 Ohms) Delivered with “jumper link”: ready for 4 Ohm use f0 (Lowest Resonant Frequency) : 33.9 Hz. Recommended Sealed Enclosure : 24 ~ 49.6 Litres RECOMMENDED sealed enclosure, not Ported. 24 Litres = 1464.569 cu. inches 49.6 Litres = 3026.777 cu. inches

    Nov 23, 2009 | Pioneer TS-W307D2 12" 1200 Watt Champion...

    1 Answer

    Spacks on 15" orion 2 xtreme sub


    Here are the Specs from Orion's spec sheet.

    Sensitivity @ 2.84V/1m 93DB
    FS 23Hz
    QMS 9.05
    QES 0.47
    Qts 0.44
    BL (Force Factor) 8.7 TM
    SD (Piston Area) 500 sq.CM \ 78 sq. in.
    VAS (Volume Acoustic suspension) 224 Liters \ 7.92cu.ft
    Xmax 7.75MM \ 0.30 in.

    Enclosure Recommendations
    Sealed Volume 1.60 cu. ft.
    Vented Volume 2.75 cu. ft.
    Port Dia (Inside Dia.) 4 in.
    Port Length 8.5 in.

    Nov 07, 2009 | Orion Xtreme XTR15d Car Speaker

    1 Answer

    What is the rms for a single max12d lanzar is it 500rms or 250rms


    Description One of the oldest and most respected names in automotive sound is also one of the most consistent winners on the competition circuit. Lanzar offers a wide range of high performance subwoofers, from the pounding OptiDrive Series to the rugged MAX Series. The MAX12 dual-coil subwoofer offers high power handling, great bass response, an economical price, and a 3 year warranty. Specifications: *Power handling: 500 watts RMS/1000 watts peak *VCdia: 2" *Impedance: 4 ohms per coil *Magnet weight: 130 oz. *Fs: 33.6 *SPL: 88 dB 1W/1m *Vas: 3.19 cu. ft. *Qts: 0.47 *Xmax: 10mm *Dimensions: A: 12.09" B: 11.15" C: 6.42"

    Oct 27, 2009 | Lanzar MAX12D Car Subwoofer

    1 Answer

    I am looking onto getting two Lightning Audio S3.15.VC2 subwoofers but I would like to know all of the speaker's parameters before I buy them.I have already looked at the manufacture's website and they...


    S3 series is better suited for small sealed enclosures.

    The S4 should be close to what you're looking for
    T/S for the S4 (use the last number in each line):

    Model - Strike S4.10.VC2 S4.12.VC2 S4.15.VC2
    Nominal Impedance (Ohms) Dual 4 Dual 4 Dual 4
    Voice Coil Diameter - (in.) 3 3 3
    FS (Hz) 26.7 25.5 21.9
    QTS 0.28 0.29 0.35
    VAS (cu.ft.) 0.89 2.43 4.81
    VAS (liter) 25.1 68.9 136.3
    Xmax (in.) 0.64 0.64 0.64
    Xmax (mm) 16 16 16
    SPL (dB M/W) 85.2 85.7 87.6
    Power Handling (RMS) 500 500 500
    Power Handling (Max) 1500 1500 1500
    Mounting Dia. (in.) 9-1/2 11-3/8 14-1/8
    Mounting Dia. (mm) 241 289 359
    Mounting Depth (in.) 5-1/2 6-1/16 7-1/8
    Mounting Depth (mm) 139.7 154 181
    Speaker Dis. (cu. ft.) 0.15 0.20 0.25
    Speaker Dis. (liters) 4.3 5.7 7.1
    Total Sealed Box Vol. (cu. ft.) 0.65 0.75 1.25
    Total Sealed Box Vol. (liters) 18.4 21.2 35.4
    Total Vented Box Vol. (cu. ft.) 1.75 3.0 3.25
    Total Vented Box Vol. (liters) 49.6 84.9 92.0

    Otherwise - call their customer service line @ (888) 881-8186

    Thanks for using FixYa - A good rating for your FREE answer is appreciated.

    Jul 04, 2009 | Rockford Fosgate Car Audio & Video

    1 Answer

    KEF Subwoofer AV1 and KEF Activator. Need specifications


    Unit is now 12 years old min. and no longer state of the art.... i offer $400

    Jan 22, 2009 | KEF Audio AV1 Speaker

    1 Answer

    I need the following specs on an Eclipse SW8102 DVC subwoofer.


    http://www.cartoys.com/cartoy/pdfs/Eclipse_spkr_manual.pdf

    Page 7 - Enjoy!

    Fs: 26Hz
    Qts: 0.47
    DCR: 4.0 ohm/coil
    Vas: 2.01 cuft
    Xmax: (one way) 1.20"
    For the rest of the T/S, you will need to talk directly to their support line tech :
    email: techsupport@lao.ten.fujitsu.com
    Phone: 310-327-2151

    Hope this helps you with your enclosure.

    Jan 09, 2009 | Eclipse SW8102DVC Car Subwoofer

    1 Answer

    Orion XTR8MB


    I couldn't find much; Orion is under different ownership than when the Extreme series woofers were manufactured. However, I found some T/S parameters embedded in the WinISD program; this will at least help you (or a shop) design a box for them. Impedance: 4 ohm Qts: .21 Vas: 11.3 liters or .399 cubic feet Fs: 68.5 Hz Xmax: .002 m Sensitivity: 97.3dB Power handling: 200 watts

    Mar 05, 2007 | Orion Xtreme XTR8 Car Speaker

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