L 50A - JBL Audio Service Manual (repair manual)

l 50a service manual
Model
L 50A
Pages
1
Size
36.25 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
l-50a.pdf
Date
Next: JBL L 54 TRIMLINE Service Manual

Read JBL L 50A Service Manual online

Technical Manua
El 
INPUT
57917
LF
M F
HF
 SCHEMATIC
SYSTEM COMPONENTS:
LOW FREQUENCY DRIVER:
127H
Cone Kit:
Nom. Impedance:
8 Ohm
Dynamic Test Input V:
5
Sweep Frequency Hz:
D.C. Resistance Ohms:
4.8 minimum
5.6 maximum
Gap Gauge:
Notes:
If Not Serviceable,
Replace With:
125HR
Visual Change:
Yes
Baffle Modification:
No
Exact Acoustic Replacement: No.
Slightly different. Replace both units
in a stereo pair.
Additional Parts Currently Available*:
Dome:
50201
Terminal Board:
52348
Mounting Gasket:
52089
Trim Gasket:
52315
MID RANGE DRIVER:
Cone Kit:
Nom. Impedance:
8 Ohm
Dynamic Test Input V:
4
Sweep Frequency Hz:
D.C. Resistance Ohms:
4.9 minimum
MID RANGE DRIVER (Cont’d)
Additional Parts Currently Available*:
Dome:
51686
Mounting Gasket:
21771
Trim Gasket:
29931
HIGH FREQUENCY DRIVER:
LE26
Diaphragm Kit:
Nom. Impedance:
8 
Ohm
Dynamic Test Input V:
3
Sweep Frequency Hz:
D.C. Resistance Ohms:
3.4 minimum
4.3 maximum
Gap Gauge:
Notes:
Plastic Flange
If Not Serviceable,
Replace With:
035TiA
Visual Change:
Yes
Baffle Modification:
Yes
Exact Acoustic Replacement: No. Use as last
resort. Replace both units in a stereo pair.
Additional Parts Currently Available*:
Trim Ring:
57732
Mounting Gasket:
Dome:
21606
SYSTEM SPECIFICATIONS:
Nominal Impedance:
8 Ohm
Max Recommended
 Power:
 Watts
 
Gap Gauge:
Crossover Frequencies: 800 Hz, 
 Hz
Notes:
Sensitivity:
88dB (1 Watt   1 Meter)
Enclosure Dim:
If Not Serviceable,
 
 x 
 D
Replace With:
622mm x 362mm x 314mm
Currently Available or 
 
Visual Change:
Yes
 
47 Ibs.   21 kg.
Baffle Modification:
No
Additional Parts Currently Available*:
Exact Acoustic Replacement: Yes
Binding Posts: Red: 56131
Black: 56130
*Other parts may also be available. Check with 
JBL for details.
JBL Consumer Products, 
 80 Crossways Park West, 
 New York 11797
 
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Download JBL L 50A Service Manual (Repair Manual)

Here you can read online and download JBL L 50A Service Manual in PDF. L 50A service manual will guide through the process and help you recover, restore, fix, disassemble and repair JBL L 50A Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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