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"

 

Maximum

 

 

floorstanding

 

 

 

 

 

 

 

Recommended

150W

175W

250W

Amplifier Power*:

 

Nominal

 

 

 

 

 

 

Impedance:

8 Ohms

8 Ohms

8 Ohms

 

Sensitivity

 

 

 

 

 

 

(2.83V/1m):

90dB

90dB

91dB

 

Frequency

 

 

 

 

 

50Hz – 20kHz

45Hz – 20kHz

37Hz – 20kHz

 

 

Response (–3dB):

 

 

Crossover

4000Hz

1000, 5000Hz

1000, 5000Hz

 

Frequency:

 

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)

 

Terminals:

5-Way binding posts

5-Way binding posts

5-Way binding posts

 

 

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"

 

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

 

occasional peaks. We do not recommend sustained

 

C O M E S H O M E

operation at these maximum power levels.

 

Occasional refinements may be made to existing

 

 

JBL Consumer Products

products without notice but will always meet or

 

 

250 Crossways Park Drive, Woodbury, NY 11797

exceed original specifications unless otherwise stated.

8500 Balboa Boulevard, Northridge, CA 91329

 

 

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

 

 

 

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Image 4
JBL N28 manual Specification S