Page 1
05-08
JBL Incorporated, 8500 Balboa Boulevard, P.O.Box 2200, Northridge, California 91329 U.S.A.
JBL VT4881ADP-AN/CN
REV H
PACKAGE
WIRING
Technical Manual
JBL VT4881ADP-AN/CN
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 8 ohms
• Power Handling: 2000W Continuous/8000W Peak (AES/2
hrs)
1200W Continuous/4800W Peak (100 hrs)
• DP1 Internal Amplification Output:
(at load) 3600W Peak, 1800 W Continuous
• DP1 Output Topology: 1-Channel Class-I
• Frequency Response: 34 Hz - 125 Hz (-3 dB)
• Frequency Range: 25 Hz - 160 Hz (-10 dB)
• Max Peak Output: 131 dB SPL. 1m
• Signal Processing: dbx type IV Conversion System, Precision
bandpass filters, limiting, pre- equalization
filters and automatic self-test functions.
• AC Power Operating Range:
Auto Select 90-132VAC/216-264VAC,
50/60Hz
• AC Line Voltage: 50/60n Hz, Auto-Detect, 100V/220V,
• AC Input Connector: Neutrik PowerCon
• AC Power Loop-thru: Neutrik PowerCon
• AC Current Requirement: 5A per system at 120A, 3.2A per system
at 240V
SYSTEM COMPONENTS:
• Cabinet: Enclosure Assembly C4881
• Grille: 354690-001
• Low Frequency (1) 2269G,457 mm (18in) dia,100mm
(4 in) Dual Coil,Differential Drive
(R
Direct Cooled
(TM)
• DC Resistance: 2.7 ohms
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0mV Input, 20 Hz to 400 Hz
B. LF. Aural Sweep Test: 10.0V Input, 10 Hz to 300 Hz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 787 mm x 569 mm x 800 mm
(W x H x D) (31 in. x 22.4 in. x 31.5 in.)
• Net Weight: 137 lbs. (62.2 kg)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Driver, Low Freq.
2269H
(354096-001X)
Cone Repl
C8R2269
Warranty 59660
Specification Sheet
362884-001
Filler (2)
362308-001
Microfoam (8)
49790P
Carton
362307-001
Dolly Assembly
350434-003
Carton
363005-001
Filler,Bottom (2)
363006-001
Filler,Top (2)
363007-001
Exterior Cover
363019-001
Filler, Pad (2)
363008-001
GRN/BLK
GRN
Input Cup
Assembly
352817-001
Protective Jackets (2)
360849-001
JBL Drive Pack
Operators Guide
362870-001
Power Cord Assembly
355040-002
Edison / Shucko
Back Filler (2)
363135-001
Front Filler
363137-001
CD,Network
Drive Pack
361908-003
JBL VT4881ADP-ACC
JBL
VT4887-AF
Carton
350712-001
Filler (2)
350713-001
Owner’s Manual
350485-001
JBL
VT4887-SF
Carton
350487-001
Filler (2)
350486-001
Owner’s Manual
350485-001
SCHEMATIC: 362309-001
Wiring Harness
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JBL VT4881ADP-AN/CN
JBL VT4881ADP-AN/CN
SCHEMATIC DIAGRAMS
352270-001 Connector Assembly Diagram 352087-001 Wire Harness Diag r am
(Ribbon Cable)
Page 3
COMPONENT EXPLODED VIEW
JBL VT4881ADP-AN/CN
Grille
364690-001
Screw (9)
339283-001
10-32 x 3/8
TORX,PAN,BLK,
NYLON
Driver, Low Freq
2269G
(354096-001X)
Cone Repl
C4R2269
Gasket, Rear (8)
60578
Cork Adh Back
Screw (8)
804-72110-24
10-32 x 1 1/2
SKT,TOR,BLK,
ZINC,LCS
Dust Dome
71133-04
Gasket (8)
71848-03
18” Self Adhesive
Foot (4)
353445-001
Screw (4)
804-42110-12
10-32 x 3/4
PAN,TORX,
BLK,ZINC,
LCS
Front Rigging Tube (2)
350576-002
Screw (4)
339286-001
1/4 - 20x1 1/4
FLAT HEAD SCKT
Rigging Pad (8)
351001-001
1 1/4”
Handle (6)
923-00022-07
Gasket, Handle (6)
382-00337-00
Quick Release Pin (8)
361343-001
Screw (24)
804-42110-12
PAN, TORX, BLK, ZINC, LCS
Screw (36)
884-42100-12
10 x 3/4
PAN,TORX,PB,BLK,ZINC,LCS
Washer (8)
354305-001
Rear Rigging Tube (2)
350575-003
Screw (4)
339286-001
1/4-20 x 1/4
FLAT HEAD SCKT
Amplifer Assembly
362327-004X (DP)
362327-005X (AN)
362327-006X (CN)
Screw (8)
875-33011-20
1/4-20 x 11/2
SCKT, HEX,BLK,
ZINC,MCS
Input Cup Assembly
352817-001
Wire Harness
362309-001
Screw (8)
804-42110-12
10-32 x 3/4
PAN,TORX,BLK,
ZINC,LCS
Slider Knob (2)
350839-001
Rear Hinge (2)
364943-001
R.A.P.
354304-001
Slider Knob (2)
350839-001
Front Hinge (2)
364941-001
R.A.P.
354304-001
Port Tube (2)
354599-004
Port Cup (4)
352961-001
Screw (120
883-41110-08
8 x 1/2
PAN,PH,PB,BLK,
ZINC,LCS
Gasket, Port Flare (2)
362378-002
Grille T rim
350175-001
Dolly Lock Pin (2)
351798-002
3.73”
Nut (2)
836-36110-00
3/8-24
Nylon,BLK,ZINC,
LCS,Right
Dolly Retainer Pin (2)
351696-001
Grille Standoff (7)
350389-001
Insert Nut (7)
350015-001
Rigging Bracket (4)
351922-001
Screw (8)
802-11010-10
6-32 x 5/8
FLT,PH,BLK ZINC,
LCS
Rigging Bracket (8)
351922-001
Screw (16)
881-4110104 x 5/8
PAN,PH,PB,CLR
ZINC,LCS
T-Nut (8)
350840-001
10-32 x 5/16
Rigging Bracket (4)
351922-001
Screw (8)
802-11010-10
6-32 x 5/8
FLT,PH,BLK ZINC,
LCS
Connect Assembly
352270-001
Input Cup
352271-001
Wire Harness
352087-001
(Ribbon Cable)
Gasket
352818-001
JBL VT4881ADP-AN/CN
Page 4
Badge, Center
354382-001
Knob, Volume
355039-001
Vertical
(dbx only)
Screw (8)
873-33014-10
8-32 x 5/8
SCKT,CAP,HEX
BLK,ZINC
Riser, DP (2)
353829-001
Gasket, Riser (2)
353830-001
End Cap
353901-001
Screw (4)
354379-001
1/4-20 x 1 1/2,5/16
SHLDR,BLKLUBE
Screw (4)
354379-001
1/4-20 x 1 3/4,5/16
SHLDR,BLKLUBE
Foam Pad
382-00325-00
Gasket, Cabinet (2)
354339-001
Screen. DP2 (2)
354382-001
AMPLIFIER ASSEMBLY
362327-001
Amplifier Assemblies
Input Modules
DP1
Note: Amplifier assembly includes the input module.
Part No. Description
362327-001 Amplifier Assembly, Base Model,
VP/VT Series
362327-002X Amplifier Assembly,
VPSB7118DPAN
362327-003X Amplifier Assembly, VPSB7118DPCN
362327-004X Amplifier Assembly,
VT4881ADP
362327-005X Amplifier Assembly,
VT4881ADP-AN
362327-006X Amplifier Assembly, VT4881ADP-CN
362327-007X Amplifier Assembly, VPSB7118DP
Note: If ordering an input module you must order 1 of the tuning files
below depending on the system model number.
DP-dbx DP-AN DP-CN
361541-001X 361092-001X 361093-001X
Model Numbers Tuning File Part Numbers
VT4881ADP
363146-001 363457-001 363458-001
VPSB7118DP
364097-001 362351-001 362352-001
DP1 AMPLIFIER ASSEMBLY REFERENCE
DP1 AMPLIFIER ASSEMBLY REFERENCE
*Note: end-caps are not required for or
included with Venue Performance sales
models.
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JBL VT4881ADP-ACC
JBL VT4881ADP-ACC
DOLLY ASSEMBLY
Screw (16)
807-13000-20
5/16-18 x 1-1/4
FLT HEX, CLR,
ZINC,LC
Screw (16)
807-13000-20
5/16-18 x 1-1/4
FLT HEX, CLR,
ZINC,LC
Dolly Platform
351895-002
(w/c’sink holes)
T-Nut (2)
21749
8-32 x 1/4
CP
Insert (10)
8161207-001
8-32 x 4MM
HXS,KNIFE32608C10ZC
Cover,Dolly Housing (2)
351893-001
Spring Assembly (2)
351899-001
Screw (12)
803-11000-08
8-32 x 1/2
FLT,PH,CLR,
ZINC,UNC
Nut (16)
352018-001
Nylock Special
Caster Wheels (4)
339513-001
Caster Plate (4)
339514-001
350434-003
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JBL VT4887-SF
JBL VT4887-SF
ARRAY FRAME ASSEMBLY
Front Hinge Block (4)
339668-004
Frame Array
350629-001
Front Hinge Block (4)
339668-004
Washer (32)
846-00410-08
3/8 x .08
FLTPL,EX DT
BLK ZINC,CS
Nut (16)
836-36113-00
3/8-16
Nylon Lock, BLK,
ZINC,MCAS,RT
Bolt (16)
856-0013-40
3/8-16 x 2 1/2
HEX,CAP, BLK
ZINC, MCA
Pin, Ball Locking Assembly (4)
361345-001
4 in.
JBL Label
955-00154-00
Screw (4)
804-31110-08
10-32 x 1/2
TRUSS,PH,BL,
ZINC, LCS
Bolt (16)
856-0013-40
3/8-16 x 2 1/2
HEX,CAP,BLK
ZINC,MCA
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JBL VT4887-AF
JBL VT4887-AF
ARRAY FRAME ASSEMBLY
Front Hinge Block (4)
339668-004
Pin, Ball Locking Assembly (4)
361345-001 (4 in.)
Screw (4)
804-31110-08
10-32 x 1/2
TRUSS,PH, BLK
ZINC, LCS
Frame Array
350361-002
JBL Label
955-00154-00
Washer (32)
846-00410-08
3/8 X .08
FLTPL,EX DT,BLK
ZINC, CS
Nut (16)
836-36113-00
3/8-16
Nylon Lock,BLK
ZINC MCAS,RT
Bolt (16)
856-00013-48
3/8 -16 x 2 1/2
HEX,CAP BLK ZINC
MCA
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