Read JBL N 28 (serv.man2) User Guide / Operation Manual online
S P E C I F I C A T I O N S
N28
N38
ND310
Description:
2-Way 8" bookshelf
3-Way 8" floorstanding
3-Way dual 10"
floorstanding
floorstanding
Maximum
Recommended
Amplifier Power*:
150W
175W
250W
Nominal
Impedance:
8 Ohms
8 Ohms
8 Ohms
Sensitivity
(2.83V/1m):
90dB
90dB
91dB
Frequency
Response (–3dB):
50Hz – 20kHz
45Hz – 20kHz
37Hz – 20kHz
Crossover
Frequency:
4000Hz
1000, 5000Hz
1000, 5000Hz
High-Frequency 3/4" Titanium-laminate
3/4" Titanium-laminate
3/4" Titanium-laminate
Transducer:
dome, shielded
dome, shielded
dome, shielded
Midrange
Transducer:
NA
4" PolyPlas™, shielded
4" PolyPlas™, shielded
Low-Frequency
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:
Straight-Line Straight-Line Straight-Line
Signal Path™ (SSP)
Signal Path™ (SSP)
Signal Path™ (SSP)
Signal Path™ (SSP)
Terminals:
5-Way binding posts
5-Way binding posts
5-Way binding posts
Dimensions 19-1/2" x 12" x 9-1/2"
31-1/2" x 12" x 10-1/2"
42" x 14-1/2" x 12-1/2"
(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
JBL Consumer Products
250 Crossways Park Drive, Woodbury, NY 11797
800-336-4JBL (4525) (USA only)
www.jbl.com
©1999 JBL, Incorporated.
JBL is a registered trademark of JBL, Incorporated.
Part No. N28/N38/ND310 O/G
P R O S O U N D
C O M E S H O M E
C O M E S H O M E
™
*The maximum recommended amplifier power rating
will ensure proper system headroom to allow for
occasional peaks. We do not recommend sustained
operation at these maximum power levels.
occasional peaks. We do not recommend sustained
operation at these maximum power levels.
Occasional refinements may be made to existing
products without notice but will always meet or
exceed original specifications unless otherwise stated.
products without notice but will always meet or
exceed original specifications unless otherwise stated.
N28, N38, ND310 OM 8/5/99 4:51 PM Page 4
