03-12
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL VT4888
REV AAB
PACKAGE
Technical Manual
JBL VT4888
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Frequency Response:
60 Hz- 16 kHz (±3 dB)
• Max Peak Output:
136 dB to 146 dB @ 1M
(Frequency/Bandpass Dependent)
• Recommended Signal
Digital System Processing: dbx 480,
BSS 366, XTA 226
• Horiz Coverage Angle:
90°, 250 Hz - 16 kHz (-6dB)
• Vert Coverage Angle:
Varies with size and configuration(-6dB)
• Crossover Frequency:
315 Hz LF/Mid
1.2 kHz MF/HF
SYSTEMS COMPONENTS:
• Cabinet:
Enclosure Assembly C4888
• Grille:
Left (350780-002), Right (350780-001)
• Low Frequency
(2) 2262H, 304 mm (12”) dia., 76 mm (3”)
Transducer:
Dual Coil Differential Drive
• Nominal Impedance:
8 ohms (Per Driver)
• Input Power Rating:
2000W (8000W peak) 2 hrs.
1400W (5600W peak) 100 hrs.
• Bandpass Sensitivity:
98 dB,1W @ 1m (3.3 ft.)
DC Resistance:
5.1 Ohms
• Mid Frequency
(4) 2106HPL, 50 mm (2”) dia. Voice Coil
Transducer:
• Nominal Impedance:
8 Ohms (Per Driver)
• Input Power Rating:
600W (2400W peak) 100 hrs.
400W (1600W peak) 100 hrs.
• Bandpass Sensitivity:
102 dB,1W @ 1m (3.3 ft.)
• DC Resistance:
4.3 Ohms
SYSTEMS COMPONENTS (Cont):
• High Frequency
(2) 2431H, 76 mm (3”) dia. Aluminium
Transducer:
Diaphragm, 38mm (1.”) Throat Dia.
• Nominal Impedance:
8 ohms (Per Driver)
• Input Power Rating:
150W (600W peak) 100 hrs.
• Bandpass Sensitivity:
114 dB,1W @ 1m (3.3 ft.)
• DC Resistance:
4.0 Ohms
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test (thru processor measured as amp output):
6V, 40 Hz to 20 kHz
B. LF Woofer Aural Sweep Test: 6V, 40 Hz to 1 kHz
C. MF Woofer Aural Sweep Test: 3V, 400 Hz to 4 kHz
D. HF Driver Aural Sweep Test: 1.5V, 800 Hz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
355.6 mm x 990.6 mm x 508 mm D
(14 x 39 x 20 in. D)
• Shipping Weight:
VT4888
130 lbs. (59 kg)
VT4888-ACC
30 lbs. (13.6 kg)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
Specification Sheet
350620-001
Filler (1)
35862-001
Microfoam (4)
49790P
Carton
351861-001
Fiberglass (13)
22389P
Chip FBRBRD
(38)
300982-001
JBL VT4888-AF
Carton
350484-001
Filler (2)
350486-001
Owner’s Manual
350485-001
JBL VT4888-SF
Carton
350706-001
Filler (2)
350713-001
Owner’s Manual
350485-001
Dolly Assembly
350519-002
Carton
350521-001
Filler,Bottom (2)
350522-001
Filler, Top (2)
351401-001
Soft Cover
350520-001
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
