HARMAN KARDON N28II
Instrukcja Serwisowa

N28II Northridge Series

Technical Manual

N28II
Northridge� Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
� � � � � Nominal Impedance Max Amp Power Frequency Response Sensitivity Crossover Frequency 8 ohms 150 watts* 50Hz � 20kHz (�3dB) 90dB (1 watt @ 1 meter) 4000Hz

AURAL SWEEP TEST SPECIFICATIONS:
� System Aural Sweep Test � L.F. Aural Sweep Test � H.F. Aural Sweep Test 6.0V Input 50Hz to 20kHz 5.0V Input 50Hz to 5kHz 2.83V Input 3kHz to 20kHz

PHYSICAL SPECIFICATIONS:
� Enclosure Dimensions (H x W x D) � Weight 19-1/2" x 10-1/2" x 11-1/4" 495mm x 267mm x 286mm 36 lb/16.4kg (sold in pairs)

SYSTEM COMPONENTS:
� Cabinet N28II (not for sale) � Grille 337784-001 � Low-Frequency Transducer 8" (203mm) PolyPlas� cone, DC Resistance shielded (335469-002) 4.5 ohms ±10%

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.

� High-Frequency Transducer 3/4" (19mm) titanium-laminate dome, shielded (338035-001) DC Resistance 3.0 ohms ±10% � Crossover Network 335589-002

WIRING DIAGRAM PACKAGING
Driver High Frequency 338035-001 YELLOW YELLOW/BLACK Driver Low Frequency 335469-002 Network 335589-002

Upper/Lower Foam 337767-001
OWNER�S MANUAL

�

+

Owner�s Manual 338061-001 Warranty Card 338322-001 Survey Card 331384-001 Felt Pads 335634-001

Plastic Bag (2)
GREEN GREEN/BLACK

N28II SCHEMATIC
RED
+IN

�

L3 0.2µH

GREEN 14"

250 + L.F.

INPUT
�IN

BLACK

GREEN/BLACK 14"

205

�

Outer Carton (Black) 337766-001

R2 1.8 OHM/10W

C2 4µF/100v YELLOW 18"
205 +

L4 0.1mH

H.F.

110 �

YELLOW/BLACK 18"

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

09/02