TF1225/8

<div data-index="1"> <div >PA bass speaker, 250 W, 8 Ω</div> <div >Celestion is one of the finest-sounding names in the world of speakers. The speakers of the TF series feature an excellent price-performance ratio and at the same time provide excellent sound characteristics. Thus, they are ideally suited for an application in high-performance PA speaker systems which provide a powerful sound.</div> <div ><ul><li>30 cm (12") PA bass speaker of high power capability and high efficiency </li><li>High-quality Kevlar fibre-reinforced cellulose cone </li><li>Heat-resistant 63 mm (2½") voice coil on a Kapton voice coil former </li><li>Excellent frequency response linearity and wide bandwidth </li><li>Robust sheet steel basket </li><li>Multi-purpose speaker for PA speaker systems with high quality standards</li></ul></div> </div> <br /><br />Impedance (Z): 8 Ω<br />Transmission technology: cable<br />Frequency range: 50-4,000 Hz<br />Resonant frequency (fs): 55.60 Hz<br />Power rating (RMS): 250 W<br />Peak music power output (MAX): 500 W<br />SPL: 97 dB/W/m<br />Suspension compl. (Cms): 0.17 mm/N<br />Moving mass (Mms): 48.52 g<br />Mech. Q factor (Qms): 3.112<br />Electr. Q factor (Qes): 0.42<br />Total Q factor (Qts): 0.370<br />Equivalent volume (Vas): 67.3 l<br />DC resistance (Re): 5.08 Ω<br />Force factor (BxL): 14.32 Tm<br />Voice coil induct. (Le): 0.86 mH<br />Voice coil diameter: Ø 64 mm<br />Voice coil material: copper wire<br />Voice coil former: polyimide<br />Linear excursion (X_MAX): ± 4.5 mm<br />Eff. cone area (Sd): 530.93 cm2<br />Magnet weight: 1.2 kg<br />Mounting cutout: Ø 283 mm<br />Mounting depth: 130 mm<br />Mounting hole diameter: Ø 297 mm<br />Dimensions: Ø 309 mm x 130 mm<br />Outside diameter: Ø 309 mm<br />Width: Ø 309 mm<br />Depth: 130 mm<br />Colour: black<br />Admiss. ambient temp.: 0-40 °C<br />Weight: 4.1 kg<br />Packing unit: 1<br />Type of speaker: 12"<br />Packing dimensions (W x H x L): 0.35 x 0.18 x 0.33 m<br />Gross weight: 5 kg<br />Net weight: 4.1 kg