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N 38 (serv.man2) - JBL Audio Service Manual (repair manual)

n 38 (serv.man2) service manual
Model
N 38 (serv.man2)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
54.89 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
n-38-sm2.pdf
Date
Next: JBL N 38 (serv.man3) User Guide / Operation Manual

Read JBL N 38 (serv.man2) Service Manual online

Technical Manual
N38
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8 ohms
• Max Amp Power
175 watts
• Frequency Response
45Hz – 20kHz 
• Sensitivity
90dB (1 watt @ 1 meter)
• Crossover Frequency
1000, 5000 Hz
SYSTEM COMPONENTS:
• Enclosure
N38 (Not for Sale)
• Grille
335466-002
• Low Frequency 
8" Polyplas
™
, shielded 
Transducer
335469-001
DC Resistance
5.2 ohms ±10%
• Mid Frequency Transducer 4" Polyplas
™
, shielded
335588-001
DC Resistance
4.4 ohms ±10%
• High Frequency 
³⁄₄" Titanium-laminate 
Transducer
Dome, shielded 335476-001
DC Resistance
3.0 ohms ±10%
• Crossover Network
335597-001
AURAL SWEEP TEST SPECIFICATIONS:
• A. System Aural Sweep Test 6.0V Input 40 Hz to 20 kHz
• B. L.F. Aural Sweep Test
6.0V Input 40 Hz to 2 kHz
• C.  M.F. Aural Sweep Test
4.0V Input  500 Hz  to 6 kHz
• D.  H.F. Aural Sweep Test
2.83V Input  4 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions:
31
¹⁄₂ x 12 x 10¹⁄₂" (H x W x D)
800 x 305 x 267mm
• Weight
35 lbs/15.9kg – Each 
WARRANTY: 
• Refer to Warranty Statement packed with each product.
Owner's Manual
335595-001
Warranty Card
331994-001
Survey Card
331384-001   
OWNER'S
MANUAL
Outer Carton
335598-001 
Plastic Bag
Felt Pads
335634-001
Upper Foam
335599-001
Lower Foam
335599-002
PACKAGING
WIRING DIAGRAM
12-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797                                   
N38
–      +
–      +
–      +
Driver High
Frequency
335476-001
  
Driver Low
Frequency
335469-001
Driver Mid
Frequency
335588-001
Network
335597-001
GREEN/BLACK
GREEN
YELLOW
YELLOW/BLACK
WHITE/BLACK
WHITE
+
–
L.F.
M.F.
+IN
–IN
INPUT
+
H.F.
250
–
+
110
250
+
–
205
110
–
205
L1
3mH
L2
1mH
C2
5
µ
F, 100v
C1
22
µ
F, 100v
R1
7.5/10W
C3
2.5
µ
F, 100v
RED
BLACK
GREEN 16"
GREEN/BLACK 16"
WHITE/BLACK 24"
WHITE 24"
YELLOW 30"
YELLOW/BLACK 30"
N38 SCHEMATIC
Screws (6) 
#8 x .75 HX HD    
903802-012     
 
  
Network
335597-001
Flower Pot
334072-001    
Port Tube
335448-001
Woofer
335469-001
Grille
335466-002
Logo
335470-001
Grille retainer (6)
333249-001
Tweeter Gasket
335633-001
Midrange
335588-001
Tweeter
335476-001
  
Faceplate
335445-001
Terminal cup
335471-001
Screw (2)
#4 x .375 
PPH  
908602-006 
Screw (6) 
#6 x .75 
HX HD BLK 
908302-012
Screw (4) 
#6 x 
³⁄₄
" BLK, 
PPHD 63563
Screw (4) 
#6 x 
³⁄₄
" BLK, 
PPHD 63563
Screw (4) 
#6 x 
³⁄₄
" BLK, 
PPHD 63563
Pedestal
335622-001
Enclosure
N38 (Not for Sale)
N38
N38
12-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797                                   
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Here you can read online and download JBL N 38 (serv.man2) Service Manual in PDF. N 38 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair JBL N 38 (serv.man2) 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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