J SERIES LOUDSPEAKERS
Specifications | J Center | J50 | J520M | J620M |
Application | Center | Bookshelf | Bookshelf | Bookshelf |
| Channel |
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High Frequency | 10mm Ti | 2" Paper | 10mm Ti | 10mm Ti |
Dome Transducer | Composite | (Cone) | Composite | Composite |
Midrange Transducer | n/a | n/a | n/a | n/a |
(Nitrile Polymer Fibre Cone) |
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Low Frequency Transducer | 2 x 3.5" | 5" | 5" | 61⁄2" |
(Nitrile Polymer Fibre Cone) | (Neo Magnet) |
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Crossover Frequency | 4.5kHz | 2.2kHz | 4.5kHz | 4.5kHz |
Frequency | 80 Hz to | 75 Hz to | 70 Hz to | 55 Hz to |
Response (– 6 dB) | 20 kHz | 20 kHz | 20 kHz | 20 kHz |
Sensitivity (1 Watt/1 Meter) | 87 dB | 86 dB | 87 dB | 88 dB |
Nominal Impedance | 8 ohms | 8 ohms | 8 ohms | 8 ohms |
Recommended | 10 to 80 | 10 to 50 | 10 to 75 | 10 to 100 |
Amplifier Power* | Watts | Watts | Watts | Watts |
External Dimensions |
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Height | 53⁄16" | 11" | 12" | 15" |
Width | 141⁄4" | 61⁄2" | 71⁄2" | 81⁄2" |
Depth | 65⁄8" | 71⁄4" | 81⁄2" | 10" |
External Dimensions |
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Height | 132 mm | 280 mm | 305 mm | 381 mm |
Width | 362 mm | 165 mm | 190 mm | 216 mm |
Depth | 168 mm | 184 mm | 216 mm | 254 mm |
Weight (each) | 7 lbs | 7 lbs | 8 lbs | 12 lbs |
| 3.2 kg | 3.2 kg | 3.6 kg | 5.5 kg |
Shipping Weight | 10 lbs | 18 lbs | 20 lbs | 28 lbs |
| 4.5 kg | 8.2 kg | 9.1 kg | 12.7 kg |
*The maximum recommended amplifier power rating will insure proper system headroom to allow for occasional program peaks. We do not recommend sustained operation at these maximum power Levels.
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