JBL VT4880A Technical Manual

Technical Manual
JBL VT4880A

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
• Input Power Rating:
• Frequency Response:
• Frequency Range:
• Sensitivity:
• Max Peak Output:
• Recommended Signal
Processing:
• Recommended Bandpass:
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency Transducer:
PACKAGE
VT4880A-ACC:
Soft Cover
361022-001
Dolly Assembly
339510-002
Carton
339636-001
Filler, Lower (2)
339637-001
Filler,Upper (2)
339638-001
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
8 ohms Each Transducer
4000 W (AES), 16,000 W Peak
29 Hz – 120 Hz (–3 dB)
25 Hz – 160 Hz (–10 dB)
95 db, 1 W,@ 1m (35-120 Hz)
142 dB @ 1m (half-space,grounded)
136 dB @ 1m (half-space,suspend
ed)
dbx Drive Rack, BSS FDS-366,
Crown I-tech and other Digital
Systems Controllers supported
26 Hz – 80 Hz
Enclosure Assembly C4880
338792-001 (Foam Backed)
(2) 2269H, 460 mm (18 in) dia.,
100 mm (4 in) Dual Coil, Differential
Drive, Direct Cooled
Warranty 59660
Specification Sheet
363581-001
Carton
339193-001
Top Filler (2)
339194-001
Tray (2)
339630-001
VT4880A-ACC
Installation Procedure
339960-001
SYSTEM COMPONENTS:
• Transducers Power
Sensitivity
• DC Resistance:
• Input Connector:
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
•
Shipping Weight:
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
WIRING DIAGRAM
Driver, Low Freq (2)
Cone Repl
2269H
C8R2269
(354096-001X)
WHT/RED RED
(CONT'D)
2000 W cont / 8000 W peak (AES)
1200 W cont / 4800 W peak (100 hrs)
4.8 ohm ±10%
360952-001
10.0V Input, 10 Hz to 200 Hz
20.0V Input, 10 Hz to 300 Hz
493mm x 1229mm x 860mm D
(19.42 x 48.38 x 33.85 in.D.)
185 lbs. (83.9 kg.)
WHT/BLK BLK
Input
Connector
Assembly
360952-001
Wire Harness
355079-001
Pin Outs NL-4
1+ 8 Ohms
2+ 8 Ohms
Pin Outs NL-8
1+ 8 Ohms
2+ 8 Ohms
3+ Thru
4+ Thru
02-10