
| S P E C I F I C A T I O N S |
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| N28 | N38 | ND310 | ||
| Description: | |||||
| Maximum |
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| Recommended | 150W | 175W | 250W | ||
Amplifier Power*: | ||||||
| Nominal |
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| Impedance: | 8 Ohms | 8 Ohms | 8 Ohms | ||
| Sensitivity |
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| (2.83V/1m): | 90dB | 90dB | 91dB | ||
| Frequency |
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50Hz – 20kHz | 45Hz – 20kHz | 37Hz – 20kHz |
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| Response |
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| Crossover | 4000Hz | 1000, 5000Hz | 1000, 5000Hz | ||
| Frequency: | |||||
| 3/4" | 3/4" | 3/4" | |||
| Transducer: | dome, shielded | dome, shielded | dome, shielded | ||
| Midrange |
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| Transducer: | NA | 4" PolyPlas™, shielded | 4" PolyPlas™, shielded | ||
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| Transducer: | 8" PolyPlas™, shielded | 8" PolyPlas™, shielded | 10" PolyPlas™, shielded | ||
| Baffles: | Low Diffraction, IsoPower™ | Low Diffraction, IsoPower™ | Low Diffraction, IsoPower™ | ||
| Port: | FreeFlow™ flared | FreeFlow™ flared | FreeFlow™ flared | ||
| Network: | |||||
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| Signal Path™ (SSP) | Signal Path™ (SSP) | Signal Path™ (SSP) | ||
| Terminals: | |||||
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| 42" x | ||||
| Dimensions | |||||
| (H x W x D): | 495mm x 305mm x 241mm | 800mm x 305mm x 267mm | 1067mm x 368mm x 318mm | ||
| Weight: | 22.5lbs, 10.2kgs | 35lbs, 15.9kgs | 55lbs, 25kgs |
*The maximum recommended amplifier power rating |
| P R O S O U N D | |
will ensure proper system headroom to allow for |
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occasional peaks. We do not recommend sustained |
| C O M E S H O M E ™ | |
operation at these maximum power levels. |
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Occasional refinements may be made to existing |
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JBL Consumer Products | |||
products without notice but will always meet or |
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250 Crossways Park Drive, Woodbury, NY 11797 | |||
exceed original specifications unless otherwise stated. | |||
8500 Balboa Boulevard, Northridge, CA 91329 | |||
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| www.jbl.com | ||
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| ©1999 JBL, Incorporated. | ||
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| JBL is a registered trademark of JBL, Incorporated. | ||
| Part No. N28/N38/ND310 O/G | ||
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