Harman Kardon HKB 4 User manual

ACOUSTIC & ELECTRICAL SPECIFICATIONS:
•Nominal Impedance 8Ω
•Max Amp Power 110 watts*
•Frequency Response 80Hz – 20kHz
•Sensitivity 88dB (2.83V @ 1 meter)
•Crossover Frequency 3,400Hz
SYSTEM COMPONENTS:
•Cabinet HKB 4
(Not for Sale)
•Grille 339267-001
•Low-Frequency Transducer 4" (102mm) Polymer-coated
cone, shielded
339787-001
DC Resistance 3.9 ohms ±10%
•High-Frequency Transducer 3/4" (19mm) Titanium-laminate
dome, shielded
338035-001
DC Resistance 3.0 ohms ±10%
•Crossover Network 339793-001
AURAL SWEEP TEST SPECIFICATIONS:
•System Aural Sweep Test 6.0V Input 80Hz to 20kHz
•L.F. Aural Sweep Test 5.0V Input 80Hz to 4kHz
•H.F. Aural Sweep Test 2.83V Input 3kHz to 20kHz
PHYSICAL SPECIFICATIONS:
•Dimensions 10-1/2" x 6-1/2" x 8"
(H x W x D) (267mm x 165mm x 203mm)
•Weight 25.4 lb (11.6kg) 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.
Technical Manual
HKB 4
HKB 4
Harman Kardon, Incorporated, 250 Crossways Park Drive, Woodbury, New York 11797 6/03
Legend on Page 2
4
10
3
3
1 2
.205
.110
INPUT
L1
0.20mH
L2
1.5mH
C1
4.7uf
100V
.205
H.F.
L.F.
C2
17.7uf
100V
R1
5.0ohm
10W
+
—
.250
CROSSOVER NETWORK
339793-001
HIGH-FREQUENCY
TRANSDUCER
338035-001
LOW-FREQUENCY
TRANSDUCER
339787-001
10" GRN
10" GRN/BLK
10" YEL/BLK
10" YEL
YEL/BLK
YEL
+— GRN/BLK
GRN
+
—
PACKAGING HKB 4 WIRING DIAGRAM
HKB 4 SCHEMATIC

HKB 4 Cabinet – Not for Sale
12
7
8
5
6
16
1513
15
9
11
14
10
17
(4)
(2)
(4)
(6)
(6)
HKB 4
Technical Manual
HKB 4
EXPLODED VIEW
Harman Kardon, Incorporated, 250 Crossways Park Drive, Woodbury, New York 11797 6/03
TO SERVICE THE HKB 4
1. Remove the grille.
2. Remove all (6) rubber grille retainers; this can be accomplished by carefully pulling them out of their cavities with long-nosed pliers or similar tool.
3. Remove the (6) Phillips screws that are now exposed.
4. Carefully separate the front baffle, with tweeter attached, from the cabinet.
ITEM
NO. DESCRIPTION QTY. PART NO.
1. Owner’s Manual 1 339777-001
2. Warranty Card 1 339778-001
3. Top & Bottom Pads 2 339780-001
4. Outer Carton 1 339779-001
5. Tweeter 1 338035-001
6. Tweeter Hold-Down Bar 1 338059-001
7. Front Faceplate 1 350704-001
8. Faceplate Gasket 1 339772-001
9. Woofer 1 339787-001
10. Grille 1 339267-001
ITEM
NO. DESCRIPTION QTY. PART NO.
11. Grille Retainer 6 338535-002
12. Port Tube 1 339795-001
13. Crossover Network 1 339793-001
14. Screw (front faceplate) 6 910501-020
PB PPH M4 x 20mm
15. Screw (4 woofers, 4 network) 8 903401-012
PB PPH #6 x .75 BLK
16. Screw (tweeter) MS PHH H/L 2 905402-010
6-19 x 5/8 ZNC
17. Threaded Insert 3/8 - 16 1 339700-001