background image

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329  U.S.A.

JBL VT4889 

REV AA

C

PACKAGE

07-09

Technical Manual

JBL VT4889

SPECIFICATIONS 

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Frequency Response:

45 Hz-16 kHz (±3 dB)

• Max Peak Output:

136 dB to 146 dB @ 1M

(Frequency/Bandpass Dependent)

• Recommended Signal

Digital System Controller:

Processing:

dbx 480, BSS 366, XTA 226 Supported

• Horiz Coverage Angle:

90 deg Nominal, 

250 Hz-16 kHz (-6 dB)

• Vert Coverage Angle:

Varies With Array Size and
Configuration

SYSTEMS COMPONENTS:

• Cabinet:

Enclosure Assembly C4889 

• Grille:

Grille, Left (337763-002)
Grille, Right (337763-001)

• Low Frequency

(2) x 2255HPL, 380 mm (15 in.)

Transducer:

76 mm (3 in.) Dual Coil Differential
Transducer, Direct Cooled

• Nominal Impedance:

8 ohms

(Each Driver)

• Input Power Rating:

System Bandpass (600 W per Driver)

(Per Driver)

• Bandpass Sensitivity:

99 dB, *SPL (System Bandpass)

DC Resistance:

5.0 ohm ±10%

• Mid Range

(4) x 2250HPL, 203 mm (8 in.)

Transducer:

76 mm (3 in.) Dual Coil Differential
Transducer, Direct Cooled

• Nominal Impedance:

8 ohms, Wired Series Parallel

(Driver, Bandpass)

SYSTEM COMPONENTS:

(CONT’D)

• Input Power Rating:

System Bandpass (300 W Per Driver)

(Bandpass, Driver)

• Bandpass Sensitivity:

102 dB, 1 Watt @ 1 Meter SPL

(System Bandpass)

• DC Resistance:

5.2 ohm ±10%

• High Frequency

(3) x 2435 HPL, 76 mm (3 in.)

Transducer:

Beryllium Diaph Voice Coil,
38 mm (1.5 in.) Throat Diameter

• Nominal Impedance:

16 ohm, Wired in Series

(Bandpass)

• Input Power Rating:

System Bandpass (75 W Per Driver)

(System Bandpass)

• Bandpass Sensitivty:

116 dB, *SPL (System Bandpass)

• DC Resistance:

4.0 ohm ±10%

• Input Panel:

NL8MPR (2 Each) 
Panel P/N 338647-001

AURAL SWEEP TEST SPECIFICATIONS:

A. LF. Aural Sweep Test:

10.0V Input, 20 Hz to 200 Hz 

B. MF. Aural Sweep Test:

7.0V Input, 20 Hz to 1 kHz

C. HF. Aural Sweep Test:

0.75V Input, 1 kHz to 16 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions:

489 mm x 1213 mm x 546 mm D
(19.25 x 47.75 x 21.0 in. D)

• Net Weight:

159 lbs. (72 kg)
Incl. rigging frames and hinge bars

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Soft Cover
229-00024-00

Carton VT4889
990-00224-00

Filler, Top and Bottom (2)
364680-001
Filler, Bottom (2)
991-00239-00

Microfoam Packaging (8)
49790P

Specification Sheet
337845-001

JBL VT4889-SF

Carton
990-00232-00

Filler (2)
337616-001

Specification Sheet
336890-001

JBL VT4889-AF

Carton
990-00233-00

Filler (2)
991-00258-00

Specification Sheet
336890-001

910-00035-01 (1)
Ferro fluid vial w/
blotter paper and
instruction sheet

910-00035-02 (12)
Ferro fluid vials w/
blotter paper and
instruction sheet

Summary of Contents for VerTec VT4889

Page 1: ...ss Driver Bandpass Sensitivity 102 dB 1 Watt 1 Meter SPL System Bandpass DC Resistance 5 2 ohm 10 High Frequency 3 x 2435 HPL 76 mm 3 in Transducer Beryllium Diaph Voice Coil 38 mm 1 5 in Throat Diame...

Page 2: ...put Connector Assembly 352052 003 YEL GRN GRN BL GRN BLK RED WHT BLK RIGHT LEFT WHT RED Driver Low Freq 2 2255HPL Cone Repl C8R2255 Driver Mid Freq 4 2250HPL 124 31005 01X Cone Repl C8R2250 Compressio...

Page 3: ...JBL VT4889 JBL VT4889 Connector Assembly 350971 001 Wire Assembly 350994 001 SCHEMATIC DIAGRAMS...

Page 4: ...1 R A P 354965 001 Handle Logo 8 950 00045 01 Rigging Frame 2 338978 001 Quick Release Pin Assembly 8 361344 001 Screw 4 338884 001 1 4 x 3 4 FLT HD SCKT GR8 Screw 4 338885 001 1 4 x 1 FLT HD SCTK GR8...

Page 5: ...18 X 1 1 4 LG FLT HD SCKT Caster Plate 4 909 00052 00 Caster Wheel 3 4 924 00005 00 Screw 10 802 11000 08 6 32 X 1 2 LG FLT PH CLR ZINC LCS Cover Dolly Lock Housing 2 337089 001 Dolly Retainer Spring...

Page 6: ...Caster Plate 4 909 00052 01 Nut 16 Nylock Special 352018 001 Spring Assembly 2 Vertec Dolly 351899 001 Cover 2 Dolly Housing 351893 001 Screws 12 8 32 x 1 2 FLT PH CLR ZINC UNC 803 11000 08 Insert 10...

Page 7: ...ludes 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...

Page 8: ...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 cen...

Page 9: ...FRAME RIGGING 5 337186 002 1 KIT LF GRILLE SCREWS 6 337187 001 1 KIT MF COVER SCREWS 7 337188 001 1 KIT INPUT PLACE SCREWS 8 337189 001 1 KIT DOLLY MOUNT ASSY 9 337190 001 1 KIT PIN ASSY 10 337191 001...

Reviews: