8 PL 21 Midrange
Extremely high efficiency midrange, 2’’ aluminium voice coil with very flat response up to 5 kHz.
Speakers Coaxials HF Compression drivers Horns
Specifications
Nominal Diameter |
| 200 mm (8 in.) | |
Nominal Impedance |
| 8 Ω | |
Minumum Impedance |
| 6.6 Ω | |
Power Handling |
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(90 |
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Nominal1 |
| 200 W | |
Continuous Program2 |
| 400 W | |
Sensitivity (1W/1m)3 |
| 99 dB | |
Frequency Range |
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Voice Coil Diameter |
| 50 mm (2 in.) | |
Winding Material |
| Aluminium | |
Former Material |
| Kapton | |
Winding Depth | 9 mm (11/32 in.) | ||
Magnetic Gap Depth |
| 8 mm (5/16 in.) | |
Flux Density |
| 1.25 T | |
Also available in 16 Ω , data upon request | B&C | ||
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Thiele & Small Parameters4 |
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Fs |
| 94 Hz | |
Re |
| 5.4 Ω | |
Qes |
| 0.3 |
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Qms |
| 5.5 |
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Qts |
| 0.29 |
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Vas | 13 dm.3 (0.46 cu. ft.) | ||
Sd | 220 cm.2 (34.1 sq. in.) | ||
η 0 |
| 3.4 % |
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X max |
| ± 1 mm. | |
Mms |
| 15 gr. | |
Bl |
| 12.7 Tm | |
Le |
| 0.3 mH | |
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Mounting and Shipping Informations |
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Overall Diameter | 225 mm. (8.8 in.) | ||
Bolt Circle Diameter | 210 mm. (8.3 in.) | ||
Baffle Cutout Diameter | 187 mm. (7.4 in.) | ||
Depth |
| 89 mm. (3.5 in.) | |
Flange and Gasket Thickness | 9.5 mm. (3/8 in.) | ||
Net Weight |
| 4.4 Kg. (9.7 lb.) | |
Shipping Weight |
| 4.7 Kg. (10.3 lb.) | |
Shipping Box | 220x220x130 mm | ||
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| (8.7x8.7x5.1 in.) | |
12 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range . Power calculated on rated minimum impedance. Loudspeaker in free air.
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating. 3 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal Impedance. Average SPL from 200 to 4000 Hz.
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