JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
Technical Manual
JBL VT4881ADP-AN/CN
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
SYSTEM COMPONENTS:
• Cabinet:
Enclosure Assembly C4881
354690-001
(1) 2269G,457 mm (18in) dia,100mm
(4 in) Dual Coil,Differential Drive(R
Direct Cooled(TM)
• Nominal Impedance:
• Power Handling:
8 ohms
• Grille:
2000W Continuous/8000W Peak (AES/2
hrs)
• Low Frequency
1200W Continuous/4800W Peak (100 hrs)
• DP1 Internal Amplification Output:
• DC Resistance:
2.7 ohms
(at load)
3600W Peak, 1800 W Continuous
AURAL SWEEP TEST SPECIFICATIONS:
• DP1 Output Topology:
• Frequency Response:
• Frequency Range:
• Max Peak Output:
• Signal Processing:
1-Channel Class-I
34 Hz - 125 Hz (-3 dB)
25 Hz - 160 Hz (-10 dB)
131 dB SPL. 1m
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:
dbx type IV Conversion System, Precision
bandpass filters, limiting, pre- equalization • Enclosure Dimensions:
787 mm x 569 mm x 800 mm
(31 in. x 22.4 in. x 31.5 in.)
filters and automatic self-test functions.
• AC Power Operating Range:
Auto Select 90-132VAC/216-264VAC,
(W x H x D)
• Net Weight:
137 lbs. (62.2 kg)
50/60Hz
WARRANTY INFORMATION:
• AC Line Voltage:
50/60n Hz, Auto-Detect, 100V/220V,
• Refer to Warranty Statement packed with each product.
• AC Input Connector:
• AC Power Loop-thru:
Neutrik PowerCon
Neutrik PowerCon
• AC Current Requirement: 5A per system at 120A, 3.2A per system
at 240V
PACKAGE
WIRING
Warranty 59660
Driver, Low Freq.
2269H
Specification Sheet
362884-001
(354096-001X)
Cone Repl
C8R2269
Filler (2)
362308-001
Microfoam (8)
49790P
GRN
GRN/BLK
Carton
362307-001
Input Cup
Assembly
352817-001
Protective Jackets (2)
360849-001
JBL Drive Pack
Operators Guide
362870-001
Power Cord Assembly
355040-002
Edison / Shucko
SCHEMATIC: 362309-001
Wiring Harness
Back Filler (2)
363135-001
Front Filler
363137-001
CD,Network
Drive Pack
361908-003
JBL VT4881ADP-ACC
Dolly Assembly
350434-003
Carton
363005-001
JBL VT4887-AF
Carton
350712-001
JBL VT4887-SF
Carton
350487-001
Filler,Bottom (2)
363006-001
Filler,Top (2)
363007-001
Filler (2)
Filler (2)
350713-001
350486-001
Exterior Cover
363019-001
Owner’s Manual
350485-001
Owner’s Manual
350485-001
Filler, Pad (2)
363008-001
05-08
JBL VT4881ADP-AN/CN
COMPONENT EXPLODED VIEW
Port Cup (4)
352961-001
Slider Knob (2)
350839-001
Input Cup Assembly
352817-001
Slider Knob (2)
350839-001
Connect Assembly
352270-001
Amplifer Assembly
362327-004X (DP)
362327-005X (AN)
362327-006X (CN)
Rigging Bracket (4)
351922-001
Screw (120
Front Hinge (2)
364941-001
Wire Harness
362309-001
Rear Hinge (2)
364943-001
Input Cup
883-41110-08
Screw (8)
352271-001
8 x 1/2
802-11010-10
PAN,PH,PB,BLK,
R.A.P.
354304-001
Screw (8)
R.A.P.
354304-001
6-32 x 5/8
Wire Harness
352087-001
(Ribbon Cable)
ZINC,LCS
804-42110-12
10-32 x 3/4
PAN,TORX,BLK,
ZINC,LCS
FLT,PH,BLK ZINC,
Screw (8)
LCS
875-33011-20
1/4-20 x 11/2
SCKT, HEX,BLK,
ZINC,MCS
Gasket, Port Flare (2)
362378-002
Gasket
352818-001
Driver, Low Freq
Port Tube (2)
354599-004
2269G
(354096-001X)
Cone Repl
C4R2269
Handle (6)
923-00022-07
Gasket, Rear (8)
60578
Cork Adh Back
Gasket, Handle (6)
382-00337-00
Quick Release Pin (8)
361343-001
Screw (8)
804-72110-24
10-32 x 1 1/2
SKT,TOR,BLK,
ZINC,LCS
Screw (24)
804-42110-12
PAN, TORX, BLK, ZINC, LCS
Grille Trim
Dust Dome
350175-001
Screw (36)
71133-04
884-42100-12
10 x 3/4
PAN,TORX,PB,BLK,ZINC,LCS
Gasket (8)
71848-03
18” Self Adhesive
Washer (8)
354305-001
Rigging Bracket (8)
351922-001
Rigging Pad (8)
351001-001
1 1/4”
Screw (16)
881-411010-
4 x 5/8
PAN,PH,PB,CLR
ZINC,LCS
Rigging Bracket (4)
Rear Rigging Tube (2)
350575-003
351922-001
Foot (4)
353445-001
Screw (8)
802-11010-10
6-32 x 5/8
FLT,PH,BLK ZINC,
LCS
T-Nut (8)
350840-001
10-32 x 5/16
Screw (4)
Screw (4)
804-42110-12
10-32 x 3/4
PAN,TORX,
BLK,ZINC,
LCS
339286-001
1/4-20 x 1/4
FLAT HEAD SCKT
Dolly Lock Pin (2)
351798-002
3.73”
Grille
364690-001
Nut (2)
836-36110-00
3/8-24
Nylon,BLK,ZINC,
LCS,Right
Front Rigging Tube (2)
350576-002
Grille Standoff (7)
Screw (9)
350389-001
339283-001
10-32 x 3/8
TORX,PAN,BLK,
NYLON
Screw (4)
339286-001
1/4 - 20x1 1/4
FLAT HEAD SCKT
Insert Nut (7)
350015-001
Dolly Retainer Pin (2)
351696-001
DP1 AMPLIFIER ASSEMBLY REFERENCE
AMPLIFIER ASSEMBLY
362327-001
Input Modules
Amplifier Assemblies
DP1
Note: Amplifier assembly includes the input module.
Note: If ordering an input module you must order 1 of the tuning files
below depending on the system model number.
Part No.
Description
DP-dbx
DP-AN
DP-CN
361541-001X 361092-001X 361093-001X
362327-001
Amplifier Assembly, Base Model, VP/VT Series
Amplifier Assembly, VPSB7118DPAN
Amplifier Assembly, VPSB7118DPCN
Amplifier Assembly, VT4881ADP
Amplifier Assembly, VT4881ADP-AN
Amplifier Assembly, VT4881ADP-CN
Amplifier Assembly, VPSB7118DP
362327-002X
362327-003X
362327-004X
362327-005X
362327-006X
362327-007X
Model Numbers
Tuning File Part Numbers
VT4881ADP
VPSB7118DP
363146-001
364097-001 362351-001
363457-001
363458-001
362352-001
Screen. DP2 (2)
354382-001
Gasket, Cabinet (2)
354339-001
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
Badge, Center
354382-001
Foam Pad
382-00325-00
Knob, Volume
355039-001
Vertical
Gasket, Riser (2)
353830-001
(dbx only)
*Note: end-caps are not required for or
included with Venue Performance sales
models.
Riser, DP (2)
353829-001
Screw (8)
873-33014-10
8-32 x 5/8
SCKT,CAP,HEX
BLK,ZINC
JBL VT4881ADP-ACC
DOLLY ASSEMBLY
350434-003
Dolly Platform
351895-002
(w/c’sink holes)
Screw (16)
Screw (16)
807-13000-20
5/16-18 x 1-1/4
FLT HEX, CLR,
ZINC,LC
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
Insert (10)
8161207-001
8-32 x 4MM
HXS,KNIFE32608C10ZC
Caster Plate (4)
339514-001
Caster Wheels (4)
339513-001
Nut (16)
352018-001
Nylock Special
Screw (12)
803-11000-08
8-32 x 1/2
FLT,PH,CLR,
ZINC,UNC
Spring Assembly (2)
351899-001
Cover,Dolly Housing (2)
351893-001
JBL VT4887-SF
ARRAY FRAME ASSEMBLY
Screw (4)
Pin, Ball Locking Assembly (4)
804-31110-08
10-32 x 1/2
TRUSS,PH,BL,
ZINC, LCS
361345-001
4 in.
Frame Array
350629-001
JBL Label
955-00154-00
Front Hinge Block (4)
339668-004
Bolt (16)
856-0013-40
3/8-16 x 2 1/2
HEX,CAP, BLK
ZINC, MCA
Nut (16)
836-36113-00
3/8-16
Front Hinge Block (4)
339668-004
Nylon Lock, BLK,
ZINC,MCAS,RT
Bolt (16)
856-0013-40
3/8-16 x 2 1/2
HEX,CAP,BLK
ZINC,MCA
Washer (32)
846-00410-08
3/8 x .08
FLTPL,EX DT
BLK ZINC,CS
JBL VT4887-AF
ARRAY FRAME ASSEMBLY
Pin, Ball Locking Assembly (4)
361345-001 (4 in.)
Washer (32)
846-00410-08
3/8 X .08
FLTPL,EX DT,BLK
ZINC, CS
Screw (4)
804-31110-08
10-32 x 1/2
TRUSS,PH, BLK
ZINC, LCS
Nut (16)
836-36113-00
3/8-16
Nylon Lock,BLK
ZINC MCAS,RT
JBL Label
955-00154-00
Bolt (16)
856-00013-48
3/8 -16 x 2 1/2
HEX,CAP BLK ZINC
MCA
Frame Array
350361-002
Front Hinge Block (4)
339668-004
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