Unbranded Black PA Speakers 12-inch sku-18531410849

Unbranded Black PA Speakers driver, SKU sku-18531410849, UPC 769029946422. This 12-inch, 8 Ω driver has a water-resistant treated paper cone and dust cap, a cloth cone edge, a die-cast aluminum basket and a front sealing gasket. It is listed for mid-bass, subwoofer, woofer, pro audio and bass guitar applications in vented, scoop-loading or horn-loaded enclosures.

Program power is 2000W (2000 W); the listed power rating also gives 1000 W, and peak AES power is 4000W. Resonant frequency is 48.14 Hz; DC resistance is 6.04 Ω, coil inductance is 1.13 m H, and usable frequency range is 42 Hz to 1.6 kHz. Mechanical Q is 14.88, electromagnetic Q is 0.4 and total Q is 0.39.

Compliance equivalent volume is 49.55 liters / 1.75 cu.ft.; peak diaphragm displacement volume is 387 cc, and suspension compliance is 0.12 mm/N. BL product is 20.40 T-M, diaphragm mass including airload is 91.96 grams, efficiency bandwidth product is 119.2, and sensitivity is 93.33 dB. Maximum linear excursion is 7.1 mm, cone area is 545.4 cm2, and the maximum mechanical limit is 19.6 mm.

The nominal basket diameter is 304.8 mm. The magnet weighs 109 oz; gap height is 0.375-in / 9.5 mm, and voice coil diameter is 4-in / 101.6 mm. The coil uses inside/outside copper wire on a fiberglass former, with a ferrite magnet, vented and extended core, and vented backplate.

Recommended vented enclosure volume is 31.15-87.78 liters / 1.1-3.1 cu.ft.; displaced driver volume is 183 cu.in. / 3 liters. Overall diameter is 12.38 in / 314.45 mm, baffle hole diameter is 11.06 in / 280.92 mm, mounting hole diameter is 0.28 in / 7.112mm, mounting hole B.C.D. is 11.7 in / 297.18mm, and depth is 6.04 in / 153.416 mm.

Net weight is 21.8 lbs / 9.89 kg; shipping weight is 23.8 lbs / 10.8 kgs.