JBL VT4880A Manuel utilisateur
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBLVT4880A
REV K
PACKAGE WIRING DIAGRAM
02-10
Technical Manual
JBLVT4880A
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 8 ohms Each Transducer
• Input Power Rating: 4000 W (AES), 16,000 W Peak
• Frequency Response: 29 Hz – 120 Hz (–3 dB)
• Frequency Range: 25 Hz – 160 Hz (–10 dB)
• Sensitivity: 95 db, 1 W,@ 1m (35-120 Hz)
• Max Peak Output: 142 dB @ 1m (half-space,grounded)
136 dB @ 1m (half-space,suspend
ed)
• Recommended Signal dbx Drive Rack, BSS FDS-366,
Processing: Crown I-tech and other Digital
Systems Controllers supported
• Recommended Bandpass: 26 Hz– 80 Hz
SYSTEM COMPONENTS:
• Cabinet: Enclosure Assembly C4880
• Grille: 338792-001 (Foam Backed)
• Low Frequency Transducer: (2) 2269H, 460 mm (18 in) dia.,
100 mm (4 in) Dual Coil, Differential
Drive, Direct Cooled
SYSTEM COMPONENTS: (CONT’D)
• Transducers Power 2000 W cont / 8000 W peak (AES)
Sensitivity 1200 W cont / 4800 W peak (100 hrs)
• DC Resistance: 4.8 ohm ±10%
• Input Connector: 360952-001
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 10.0V Input, 10 Hz to 200 Hz
B. L.F. Aural Sweep Test: 20.0V Input, 10 Hz to 300 Hz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 493mm x 1229mm x 860mm D
(19.42 x 48.38 x 33.85 in.D.)
•Shipping Weight: 185 lbs. (83.9 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
Specification Sheet
363581-001
VT4880A-ACC
Installation Procedure
339960-001
VT4880A-ACC:
Soft Cover
361022-001
Dolly Assembly
339510-002
Carton
339636-001
Filler, Lower (2)
339637-001
Filler,Upper (2)
339638-001
Carton
339193-001
Top Filler (2)
339194-001
Tray (2)
339630-001
RED BLKWHT/BLK
WHT/RED
Input
Connector
Assembly
360952-001
Wire Harness
355079-001
Driver, Low Freq (2)
2269H
(354096-001X)
Cone Repl
C8R2269
Pin Outs NL-4
1+ 8 Ohms
2+ 8 Ohms
Pin Outs NL-8
1+ 8 Ohms
2+ 8 Ohms
3+ Thru
4+ Thru
COMPONENT EXPLODEDVIEW
JBLVT4880A
Grille Trim
338838-001 Grille
338792-001
Screw (10)
804-41110-12
10-32 x 3/4
PAN,TORX,BLK,
ZINC,LCS
Bracket (2)
361292-001
Screw (4)
882-41110-10
6 X 5/8
PAN,PH,PB,BLK,
ZINC,LCS
Driver, Low Freq
2269H
(354096-001X)
Cone Repl
C8R2269
Screw (16)
804-72110-24
10-32 X 1 1/2
SKT,TORX,BLK,
ZINC,LCS
Gasket, Rear (8)
60578
Gasket, (8) 18” Self Adh.
71848-03
Pin, Dolly Lock (2)
351798-002
Nut (2)
836-36110-00
3/8 - 24 Nylon,
BLK,ZINC,LCS,RIGHT
Retainer, Dolly Pin (2)
351696-001
Rigging Frame (2)
338978-001
Pin,Quick Release
361344-001
Screw (8)
804-41110-06
10-32 X 3/8
PAN,PH,BLK,
ZINC,LCS
End Cap, Front (2)
338941-001
Screw (8)
806-42010-32
1/4-20 X 2
PAN,TORX,BLK,
ZINC,LCS
Washer, Flat (8)
337183-001
25 X .5 ZINC
Hinge Lock Bar (2)
338950-001
Screw (6)
884-11000-12
FLT,PH,WD,
CLR,ZINC,
LCS
Lock Bar Cushion(2)
338951-001
Feet (8)
338948-001
Screw (8)
806-42010-32
1/4-20 X 2
PAN,TORX,
BLK, ZINC,LCS
End Cap, Rear (2)
338942-001
Screw (4)
806-42010-32
1/4-20 X 2
PAN,TORX,BLK,
ZINC,LCS
Washer (4)
844-01110-07
1/4 SAE,REG,BLK,
ZINC,CS
Washer, Flat (4)
337183-001
.25 X .5 ZINC
Wave
Washer (4)
339236-001
Washer Flat (4)
339235-001
Hinge Cushion (2)
339201-001
Input Connector
Assembly
360952-001
Screw (8)
804-42110-12
10-32 X 3/4
PAN,TORX,BLK,
ZINC,LCS
Handle (2)
364978-001
Gasket, (2)
360937-001
Screw (8)
804-42101-16
10-32 x 3/4
PAN,TORX,
BLK,ZINC,LCS
Washer, Amp Mount (8)
351905-002 (7/8”)
(Cabinet Back)
Screw (8)
806-42010-16
1/4-20 X 1
PAN,TORX,BLK,ZINC
Washer (8)
844-00110-06
1/4 X .06
FLTPL, REG,BLK
ZINC,CS
Handle (6)
923-00022-07
Screw (24)
804-42110-12
10-32 X 3/4
PAN,TORX,BLK,
ZINC,LCS
Screw (36)
884-42110-12
10 X 3/4
PAN,TORX,PB,BLK,
ZINC,LCS
Gasket, Handle (8)
382-00337-00
Knob, Slider
350839-002
Rear Hinge (2)
364597-001
R.A.P.
354965-001
Screw (12)
884-42110-12
10 X 3/4
PAN,TORZ,PB
BLK ZINC,LCS
Knob, Slider
350839-001
Front Hinge (2)
364596-001
R.A.P.
354965-001
JBL VT4880A
JBLVT4880A-ACC
JBLVT4880A-ACC
DOLLY ASSEMBLY
Dolly Platform
351894-003
339510-002
Caster Wheels (4)
339514-001
Caster Plate (4)
339513-001
Nut (16)
352018-001
Nylock Special
Spring Assembly (2)
351899-001
Cover (2)
351893-001
Dolly Housing
Screws (12)
803-11000-08
8-32 x 1/2
FLT, PH, CLR ZINC, UNC
Insert (10)
8161207-001
8-32 x 4mm
HXS, KNIFE32608C10ZC
Screws (16)
807-13000-20
5/16-18 x 1 1/4
FLT, HEX,CLR
ZINC, LC
T NUT (2)
21749
8-32 x 1/4
CP
JBLVT4889-AF
ARRAY FRAME
Array Frame
337036-001
VT4889 AF
DETAIL A
Nut, (16)
836-36113-00
3/8-16
Nylon Lock, BLK ZINC,
MCAS,RT
Washer, (16)
846-00410-08
3/8 X .08
fFLTPL,EX DT BLK ZINC,CS
Label, Array Frame
955-00154-00
Pin,Ball Locking Assesmbly (4)
361345-001
4”
Screw (4)
804-3111-08
10-32 x 1/2,
TRUSS, PH, BLK ZINC,
LCS
Bolt (16)
856-00013-44
3/8-16 x 2 3/4
HEX,CAP,BLK
ZINC,MCA
Specification Tag
VT4889 AF
337080-001
Hinge Block, Front (2)
352963-001
Hinge Block, Rear (2)
352964-001
Short
Long
The VT4889-AF array suspension frame
is crafted of 6061 Grade heat-treated
aluminum. It includes 11 (eleven)
attachment holes for fitting 6.5-ton
shackles.Each of these holes is fitted
with a bronze bushing for longer life.
These holes are set on approximately
102mm (4”) centers. Each hole has an
I.D. (Inner Diameter) of 25.4mm (1”).
The frame includes four receiver blocks,
designed to attach Hinge Bars from the
VT4889 enclosures.These blocks are
made of 7075 Grade aluminum.They
are coupled with Grade 8 bolts, and the
attached steel quick release pins are
secured with stainless steel restraining
lanyards.
The VT4889-AF weighs 45 kilograms
(100 lbs.) It measures approximately
1257mm x 1129mm x 102mm
(49.5” x 44.45” x 4”).
DETAIL A
VT4889-AF (Array Frame)
JBLVT4889-AF
VT4889 Manual
336890-001
JBLVT4889-SF
ARRAY FRAME (Short Frame)
Short Frame
888-00106-00
VT4889-SF
DETAIL A
NUT, (16)
836-36113-00
3/8-16
Nylon Lock, BLK ZINC,
MCAS,RT
Washer, Flat (32)
846-00410-08
3/8 X .08
FLTPL,EX DT,BLK ZINC,CS
Label, Array Frame
955-00154-00
Pin, Ball Locking Assembly (4)
361345-001
Screw (4)
804-31110-08
10-32 x 1/2
TRUSS, PH, BLK,
ZINC, LCS
Bolt (16)
856-00013-40
3/8-16 x 2-1/2
HEX, CLR, ZINC, MCA
Specification Tag
VT4889-SF
337080-001
Hinge Block, Front (2)
352963-001
Hinge Block, Rear (2)
352964-001
Short
DETAIL A
Like the larger VT4889-AF, the Short
Frame is crafted of 6061 Grade heat-
treated aluminum. It includes 6 (six)
attachment holes. Each hole is fitted
with a bronze bushing for longer life.
These holes are set on approximately
102mm (4”) centers. Each hole has an
I.D. (Inner Diameter of 25.4mm (1”).The
frame includes four receiver blocks,
designed to attach Hinge Bars from the
VT4889 enclosures.These blocks are
made of 7075 Grade aluminum.They
are coupled with Grade 8 bolts, and the
attached steel quick release pins are
secured with stainless steel restraining
lanyards.
The VT4889-SF weighs only 23.6 kilo-
grams (52 lbs.).It measures approxi-
mately 1257mm x 660mm x 102mm
(49.5” x 26” x 4”).
VT4889-SF (Short Frame)
JBLVT4889-SF
VT4889 Manual
336890-001
Long
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