Read JBL HP 8B (serv.man2) Service Manual online
Technical Manual
HP-8B
SPECIFICATIONS
JBL Consumer Products Inc., 80 Crossways Park West, Woodbury, New York 11797
HP-8B
PACKAGE
WIRING DIAGRAM
5-97
SYSTEM COMPONENTS:
(cont’d)
• Crossover Network:
330999-002
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
6.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test:
6.0V Input, 20 Hz to 2.7 kHz
C. M.F. Aural Sweep Test:
6.0V Input, 700 Hz to 5 kHz
D. H.F. Aural Sweep Test:
2.83V Input, 2kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
23.12 x 11.5 x 10.0 in.D
(584mm x 292mm x 254mm D)
(584mm x 292mm x 254mm D)
SHIPPING WEIGHT:
36.5 lbs. (16.6 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty Card 331994-001
Owners Manual 330990-001
Survey Card 331384-001
Owners Manual 330990-001
Survey Card 331384-001
End Pad
331221-001
331221-001
Carton
330998-001
330998-001
Driver,
High Freq
HP027Ti
(325792-001)
High Freq
HP027Ti
(325792-001)
Microfoam (4)
49790P
49790P
End Pad
330997-001
330997-001
REV A
Network
330999-002
330999-002
SCHEMATIC 330999-002
INPUT
Driver,
Mid Freq
HP5
(325781-001)
Mid Freq
HP5
(325781-001)
Driver,
Low Freq
HP8
(325757-001)
Low Freq
HP8
(325757-001)
WHT
WHT/BLK
YEL/BLK
YEL
GRN/BLK
GRN
RED
BLK
L1
3.5mH
3.5mH
L3
1.3mH
1.3mH
L4
2.4mH
2.4mH
Cb
0.01
0.01
µ
F
Cb
0.01
0.01
µ
F
Cb
0.01
0.01
µ
F
Cb
0.01
0.01
µ
F
C5
5
5
µ
F
Cb
0.01
0.01
µ
F
Cb
0.01
0.01
µ
F
Cb
0.01
0.01
µ
F
C2
14
14
µ
F
C3
20
20
µ
F
C1
52
52
µ
F
C4
17
17
µ
F
C6
4.5
4.5
µ
F
C7
8
8
µ
F
L5
0.24mH
0.24mH
L2
2.0mH
2.0mH
R4
3.9
3.9
Ω
10W
R1
6.6
6.6
Ω
20W
R2
0.3
0.3
Ω
10W
R3
10
10
Ω
10W
L.F.
HP8
M.F
HP5
H.F.
HP027Ti
YEL/BLK
YEL
WHT/BLK
WHT
GRN/BLK
GRN
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
8 ohm
• Max Amp Power:
200W
• Frequency Range:
46 Hz – 22 kHz (-6 dB)
• Sensitivity:
91 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequencies:
850 Hz, 3000Hz
SYSTEM COMPONENTS:
• Cabinet:
330995-001
• Grille:
330241-001
• Low Frequency
8 in. (200mm)
Transducer:
HP8 325757-001
DC Resistance:
5.8 ohm ±10% Copper Wire
• Mid Range:
5 in. (127mm)
Transducer:
HP5 325781-001
DC Resistance:
4.6 ohm ±10% Copper Wire
• High Frequency:
1 in. (25mm) Pure Titanium
Transducer:
Dome HP027Ti 325792-001
DC Resistance:
3.6 ohm ±10% Copper Wire
HP-8B 12/31/98 1:10 PM Page 1
HP-8B
COMPONENT EXPLODED VIEW
HP-8B
Cabinet
330995-001
(Not For Sale)
330995-001
(Not For Sale)
Port Tube
70515-03
70515-03
Network
330999-002
Grille
330241-001
330241-001
Driver,
Mid Freq
HP5
(325781-001)
Mid Freq
HP5
(325781-001)
Screw (4)
No 8 x 1
10HD 5/32 DR
No 8 x 1
10HD 5/32 DR
Logo
330288-001
330288-001
Gasket
331666-001
331666-001
Grille
Retainer (4)
62130
Retainer (4)
62130
Grille, Tweeter
331843-001
331843-001
Screw (4)
No 8 x 1
10HD 5/32 DR
No 8 x 1
10HD 5/32 DR
Screw (4)
No 8 x 3/4
PNHD BLK
No 8 x 3/4
PNHD BLK
Driver,
Low Freq
HP8
(325757-001)
Low Freq
HP8
(325757-001)
Screw (4)
No 8 x 1
10HD 5/32 DR
No 8 x 1
10HD 5/32 DR
Screw (4)
No 6 x 3/4
OVHD PH BLK
No 6 x 3/4
OVHD PH BLK
Terminal
Cup
70442-01
Cup
70442-01
Driver,
High Freq
HP027Ti
(325792-001)
High Freq
HP027Ti
(325792-001)
HP-8B 12/31/98 1:10 PM Page 2
Display