JBL Northridge N28II Bedienungsanleitung

Technical Manual

N28II

Northridge™Series

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

•Nominal Impedance 8 ohms

•Max Amp Power 150 watts*

•Frequency Response 50Hz – 20kHz (–3dB)

•Sensitivity 90dB (1 watt @ 1 meter)

•Crossover Frequency 4000Hz

SYSTEM COMPONENTS:

•Cabinet N28II (not for sale)

•Grille 337784-001

•Low-Frequency Transducer 8" (203mm) PolyPlas™ cone,

shielded (335469-002)

DC Resistance 5.2 ohms ±10%

•High-Frequency Transducer 3/4" (19mm) titanium-laminate

dome, shielded (338035-001)

DC Resistance 3.0 ohms ±10%

•Crossover Network 335589-002

AURAL SWEEP TEST SPECIFICATIONS:

•System Aural Sweep Test 6.0V Input 50Hz to 20kHz

•L.F. Aural Sweep Test 5.0V Input 50Hz to 5kHz

•H.F. Aural Sweep Test 2.83V Input 3kHz to 20kHz

PHYSICAL SPECIFICATIONS:

•Enclosure Dimensions 19-1/2" x 10-1/2" x 11-1/4"

(H x W x D) 495mm x 267mm x 286mm

•Weight 36 lb/16.4kg (sold in pairs)

WARRANTY:

• Refer to Warranty Statement packed with each product.

*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.

Owner’s Manual

338061-001

Warranty Card

338322-001

Survey Card

331384-001

OWNER’S

MANUAL

Outer Carton

(Black)

337766-001

Plastic Bag (2)

Felt Pads

335634-001

Upper/Lower

Foam

337767-001

PACKAGING

09/02

JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797

N28II Northridge™Series

— +

Driver High

Frequency

338035-001

Driver Low

Frequency

335469-002

Network

335589-002

GREEN/BLACK

GREEN

YELLOW

YELLOW/BLACK

L.F.

+IN

–IN

INPUT

H.F.

250

205

–

110

–

205

0.2µH

0.1mH

4µF/100v

1.8 OHM/10W

RED

BLACK

GREEN 14"

GREEN/BLACK 14"

YELLOW 18"

YELLOW/BLACK 18"

N28II SCHEMATIC

WIRING DIAGRAM

Screws (6)

#8 x .75" HX HD

903802-012

Network

335589-002

Port Tube

337785-001

Woofer

335469-002

Grille

337784-001

Grille Retainers (6)

333249-001

Faceplate Gasket

335632-001

Faceplate

337783-001

Terminal Cup

335471-001

Screws (4)

#6 x .75"

HX HD BLK

908302-012

Enclosure

N28II (not for sale) Screws (4)

#6 x 3/4" BLK,

PPHD 63563

Screws (2)

PPH H/L 6-19 x 5/8 Znc

905402-010

Tweeter

338035-001

Bar, Hold Down

338059-001

N28II

Northridge™Series

N28II Northridge™Series

09/02

JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797

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