JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
Technical Manual
JBL
3677S
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impediance:
• Power Capacity:
• Frequency Range:
• Sensitivity:
• Crossover Frequency:
8 ohm
225W Continuous Pink Noise
IEC Standard
40 Hz to 20 kHz (–10dB)
99 dB SPL*
1.2 kHz
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency
Transducer:
• DC Resistance:
• High Frequency
Transducer:
C3677
None
380mm (15in.) Cone
Transducer (M115-8A)
5.4 ohm ±10% Aluminum Wire
25mm (1in.) Pure Titanium
Compression Driver (2418H
SYSTEM COMPONENTS: (Cont’d)
• DC Resistance:
• Terminal Cup:
3.7 ohm ±8% Aluminum Wire
129-00020-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
C. H.F. Aural Sweep Test:
7.0V Input, 20 Hz to 20 kHz
6.0V Input, 20 Hz to 200 Hz
2.83V Input, 550 Hz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
765mm x 651mm x 292mm D
(30.12 x 25.62 x 11.5 in. D)
86 lbs. (32 kg.)
• Shipping Weight:
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
*1 Watt (2.83 V RMS) @ 1 Meter
PACKAGE
Warranty 59660
Literature 331147-001
Corner Pad (8)
991-00015-00
WIRING DIAGRAM
Speaker,
High Freq
2418H
Diaph Repl
D8R2418
Repl Unit
315435-001X
YEL
YEL/BLK
Terminal Cup
129-00020-00
Speaker,
Low Freq
M115-8A
Repl Unit
124-67001-01X
Microfoam (4)
74309
GRN
GRN/BLK
SCHEMATIC (129-00020-00)
YEL
+
H.F.
2418H
GRN
Carton
990-00165-00
–
JBL 3677S REV F
YEL/BLK
+
L.F.
M115-8A
GRN/BLK
–
11-07
JBL 3677S
COMPONENT EXPLODED VIEW
Hole Plug
869-90001-10
Cabinet
C3677
Port Tube (2)
331163-001
Port Cover
Foam (2)
382-00085-00
Gasket (1)
359-00050-03
Gasket (8)
73768
T-Nut (14)
61861
10-32
Speaker,
High Freq
2418H
Diaph Repl
D8R2418
Terminal Cup
129-00020-00
Horn
2373
(126-00011-00)
Screw (8)
882-41110-12
6 x 3/4 PAN,
PB PH BLK
ZINC
Screw (6)
804-31110-30
No. 10-32 x 1-1/4
TRUSS PH BLK
JBL 3677S
Screw (8)
804-01110-16
10-32 x 1
FIL, PH, BLK
ZINC
Gasket, Rear
360-07000-03
Speaker, Low Freq
M115-8A
Repl Unit
124-67001-01X
Dome
71646
Gasket, (4)
360-07002-01