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12 FOCAL 4252 UTOPIA RAW SPEAKER DRIVERS, NEVER USED

Submitted by on February 10, 2010 – 6:04 amNo Comment

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$201.00
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12 FOCAL 4252 UTOPIA RAW SPEAKER DRIVERS, NEVER USED Picture(s) and Description:

 47631205290917770 12 FOCAL 4252 UTOPIA RAW SPEAKER DRIVERS, NEVER USED

SONIC UTOPIA Focal designed these 5.25-inch drivers for their Utopia line of speakers that retailed, as I recall, at prices up to $45,000. Their model number is Focal 5 W 4252. I bought these drivers a few years back for an ambitious DIY project that will never come to fruition. So I’m putting them up for auction. They’re spectacular drivers, and they ought to be making music somewhere. They are worthy of the finest associated equipment. FITTED IN SPEAKER CABINETS, BUT OTHERWISE NEVER USED They haven’t had one watt of electricity put through them since they left the factory. There are some small scuff marks on the frames where I fitted them in the cabinets I was constructing. The close-up photograph is typical in this regard. (Although to be fair, please realize that manufacturers’ photos of raw drivers are retouched till their pixels ache. No unmanipulated photograph of a speaker is going to look as pretty, especially when viewed larger than life-size.) FOCAL’S DESCRIPTION Audiophile series 5.25” “W” Cone midbass “W” cone with dampers Phase plug Butyl surround Outstanding tonal quality SPECIFICATIONS Nom. pwr handling 50 W Max. pwr handling 70 W Sensitivity 88.5 dB Cone “W” Surround Rubber Nom. impedance 8 ? DC resistance 6.6 ? VC diameter 25 mm VC height 12.4 mm Former Nomex Layers 2 Wire Copper Inductance 0.59 mH Xmax 3.2 mm Magnet d x h 100 x 18 Magnet weight 564 g Flux density 1.1 T Gap height 6 mm Net weight 1.5 kg PARAMETERS Fs 43.46 Hz Vas 16.33 l Qts 0.280 Qes 0.300 Qms 4.120 Re 6.44 ? Sd 86.59 Cm2 Cas 1.16 E-07 m5/N Mas 115.37 Kg/m4 Ras 7646.30 ?.ac Cms 1.55E-03 m/N Mms 8.65 g Rms 0.573 kg/s Ces 170.59 mF Les 78.61 mH Res 88.44 ? Bl 7.12 N/A SPL 88.96 dB/w/m PAYMENT I need payment by Paypal within three days of the auction’s end. I’m just a music lover, not a hi-fi emporium, so I cannot accept returns. I encourage you to look at my feedback, which is uniformly excellent. SHIPPING I ship to Paypal-verified addresses in the U.S. and Canada. Thanks for looking and happy bidding!

 47631205290917771 12 FOCAL 4252 UTOPIA RAW SPEAKER DRIVERS, NEVER USED
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