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JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
Technical Manual
JBL 6208
SPECIFICATIONS
· · · · Nominal Impedance: Frequency Range: Sensitivity: Crossover Frequencies:
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
10K Line Level 45 Hz to 20 kHz (10 dB) +4/10 dBV (1.23V/0.25V) 2.6 kHz C6208 (330867-001) 200mm (8 in.) Cone Transducer 508G-3S (73284-01X) 5.9 ohm ±5% Copper Wire 25mm (1 in.) Gold Titanium/Hybrid Dome 031TiS-1 (330862-001) 3.5 ohm to 4.2 ohm Copper Wire
SYSTEM COMPONENTS: (cont'd)
· Power Amp: A. L.F. Aural Sweep Test: B. H.F. Aural Sweep Test: · Enclosure Dimensions: (See Page 2) 4.0V Input, 20 Hz to 1.2 kHz 2.0V Input, 2.0 kHz to 20 kHz 451mm x 286mm x 326mm D (17.75 x 11.25 x 12.85 in. D) 34 lbs. (15.4 kg.)
AURAL SWEEP TEST SPECIFICATIONS:
SYSTEM COMPONENTS:
· Cabinet: · Grille: · Low Frequency Transducer: · DC Resistance: · High Frequency Transducer: · DC Resistance:
PHYSICAL SPECIFICATIONS:
SHIPPING WEIGHT: WARRANTY INFORMATION:
· Refer to the Warranty Statement packed with each product.
PACKAGE
Polybag 74357
Warranty 59660 Owners Manual 330875-001 Tray, Top 991-00013-00
WIRING DIAGRAM
Speaker, High Freq 031TiS-1 Gold Diaphragm (330862-001)
YEL
YEL/BLK
Power Amp (See Page 2)
Microfoam Packaging 74309 Power Cord 120V 425-00001-00 Power Cord 230V 425-00001-01 Tape 65012-01 Speaker, Low Freq 508G-3S (73284-01X)
GRN GRN/BLK
SCHEMATIC N6208
Tray, Bottom 991-00014-00
Carton 990-00007-00
NOTE: CONE/DIAPHRAGM KIT NOT AVAILABLE. DEFECTIVE DRIVER SHOULD BE REPLACED. 08-03
JBL 6208 REV E
(See Page 4)
COMPONENT EXPLODED VIEW
Screw (4) 802-41000-06 No. 6-32 x 3/8 PAN PH CLR 2 1 7
JBL 6208
9 11 13 12 14 8 10 11 12
Speaker, Hi Freq 031TiS-1 Gold Diaphragm 330862-001
15 3 17
Power Cord 425-00001-00 (120V-100V) 425-00001-01 (230V)
4 15 1 6 19 1 20 24 21 22 23 Port Tube 70515-03 (Not For Sale) 18 16
T-Nut (8) 8-32 x 11/32 61860
POWER AMPLIFIER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 140-00006-00 140-00006-01 140-00006-02 160-00001-10 160-00001-11 160-00001-12 800-36000-00 260-00000-00 880-02102-00 513-00016-00 801-36000-00 423-00004-00 395-00011-13 460-00012-00 546-00001-00 472-00002-00 452-00001-00 452-00002-00 453-53302-00 453-13152-00 701-41110-10 702-41010-08 701-41810-10 703-41010-10 424-00079-00 513-00018-01 562-00017-00 562-00018-00 562-00019-00 424-00080-00 M/I 6208/120 M/I 6208/230 M/I 6208/100 Power Amp/120 Power Amp/230 Power Amp/100 Nut, 4-40 (8) Cover Assy 126-00006-00 Grommet PCB, Final Nut, 6-32 (2) Clamp (2) Tape, Foam Heatsink SW, Power Insulator Fuse Holder, 3AG Fuse Holder, 5 x 2mm Fuse, 3A, 3AG Fuse, 1.5A, 5 x 20mm Screw, 4-40 x 5/8 BLK (8) Screw, 6-32 x 1/2 BLK (2) Screw, 3mm x 10mm (2) Screw, No. 8-32 x 1 OVHD PH (8) CON, Power PCA-Signal Input X-Former, 120V X-Former, 230V X-Former, 100V XLR 1/4'' Jack
Grille G6208 330867-001 Gasket 74116 Pad Ring (2) 69448
Cabinet C6208 122-00001-00 (Not For Sale)
Dust Dome 65512 Input Terminals 71155
JBL 6208
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Screw (4) 863-41610-08 No. 8-32 x 1/2 PAN PH TT
Speaker, Low Freq 508G-3S (73284-01X)
CIRCUIT BOARD
JBL 6208
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20
6
7
19
8 9
18
10 17 7 16 6 15
11
10
14
13
12
8
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COMPONENT PARTS LIST
ITEM NO. 1 2 3 4 5 6 7 8 9 10 QTY. 3 4 3 1 2 2 2 2 2 2 PART NO. 560 00000 00 676 00009 00 675 00000 00 510 00016 02 680 00013 00 680 00014 00 680 00016 00 660 00025 00 680 00015 00 680 00017 00 DESCRIPTION CONN, FASTON, 0.25 SEMI, DIODE, RECT, 200V, 3A, 1N5402, 267-02 SEMI, DIODE, SIG, 75V, 200mA, 1N4148, DO-35 PCB, RAW, 6208, Main Board SEMI, X-ISTOR, NPN, SIG, MPS8099, TO-92 SEMI, X-ISTOR, NPN, Sig, TIP31C, TO-220 SEMI, X-ISTOR, NPN, SIG, TIP35C, TO-218AC POT, 500 OHM, 1/8W SEMI, X-ISTOR, PNP, SIG, TIP32C, TO-220 SEMI, X-ISTOR, PNP, SIG, TIP36C, TO-218AC ITEM NO. 11 12 13 14 15 16 17 18 19 20 QTY. 6 6 5 1 1 1 1 1 2 2 PART NO. 606 05102 50 680 00011 00 608 08104 50 684 00022 00 424 00081 00 684 00023 00 684 00018 00 684 00021 00 677 00057 00 604 05568 60 DESCRIPTION CAP, FILM, 50V, .0010µF, 5%, RADIAL* SEMI, X-ISTOR, PNP, SIG, MPS8599, TO-92 CAP, SMFILM, 100V, .10µF, 5%, RADIAL SEMI, IC-ANA, LF347N, DIP14 HDR, 3X1, Polarized SEMI, IC-ANA, TL082CP, DIP8 SEMI, IC-ANA, NJM7915FA, 5V REG, ISOL, TO220F SEMI, IC-ANA, NJM7815FA, +15V REG, ISOL, TO220F SEMI, DIODE, ZENER, 12V, 1W, 1N4742A, DO-41 CAP.ELEC, LARGE, 85C, 50V, 4700µF, 20%
*Note: 50V or 100V part may be used.
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JBL 6208
JBL 6208
POWER AMPLIFIER SCHEMATIC
JBL 6208
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