Technical Manual JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A. 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. PACKAGE Filler (1) 35862-001 Microfoam (4) 49790P Carton 351861-001 Fiberglass (13) 22389P Chip FBRBRD (38) 300982-001 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 Warranty 59660 Specification Sheet 350620-001 -AF Carton 350484-001 Filler (2) 350486-001 Owner s Manual 350485-001 -SF Carton 350706-001 Filler (2) 350713-001 Owner s Manual 350485-001 REV AAB 03-12
WIRING DIAGRAM Driver, High Freq (2) 2431H (339894-002X) Diaph Repl D8R2431 No. 1 No. 2 YELLOW YELLOW/BLACK YELLOW No. 1 WHITE WHITE No. 2 WHITE/BLACK Input Connector Assembly 443294-001 WHITE No. 3 WHITE WHITE/BLACK RED No. 4 BLACK GREEN GREEN/BLK Driver, Mid Freq (4) 2106HPL (339485-001X) No. 1 No. 2 Driver, Low Freq (2) 2262H (338312-001X) Cone Repl C8R2262
SCHEMATIC DIAGRAMS Wire Harness Assembly P/N 350989 10 9 8 7 6 5 4 3 2 1 28 RED 28 BLACK 28 GREEN 28 GREE/BLK 24 WHITE 12 WHITE 24 WHITE/BLK 5X 24 WHITE 12 WHITE 24 WHITE/BLK 205 12 YELLOW/BLK 12 YELLOW 12 YELLOW 8 Connector Assembly P/N 350988 4 4+ 3 3+ 2 2+ 1 1+ 10 9 8 7 6 5 4 3 2 1 4 4+ 3 3+ 2 2+ 1 1+
COMPONENT EXPLODED VIEW Enclosure Assy C4888 (available to VerTec Dealers and Service Centers) RBI Assy (2) 350779-001 Screw (2) 804-72110-24 10-32 x 1 1/2 SCT,TORX, BLK ZINC, HF Center Horn Gasket 359-00225-00 Bolt, (8) 854-00003-08 1/4-20 x 1/2 HEX, CLR, ZINC, MCAS External Tooth Lock Washer (8) 1/4 844-10100-06 REG, CLR, ZINC, CS Washer (8) 844-01110-07 1/4,SAE,REG,BLK, ZINC, Front Hinge (2) 364136-001 Slider Knob (2) 350839-001 10-32 x 5/8 Driver, Mid Freq (4) 2106H (339485-001X) Screws (32) 804-72110-24 10-32 x 1 SKT, TORX, BLK, ZINC, R.A.P 354965-001 Screw (16) 802-11010-10 6-32 x 5/8 FLT, PH, BLK, ZINC, Rigging Bracket (8) 351922-001 Horn Bracket (2) 350782-001 Screws (6) 804-11110-16 10-32 x1 FLT, PH, BLK, OXIDE, Horn (2) 337055-001 Driver, High Freq (2) 2431H (339894-002X) Diaph Repl D8R2431 Screw (8) 705-90002-14 1/4-20 x 7/8 SOCKET SET CUP POINT Washer, Amp Mount (8) 351905-002 7/8 (Drive Pack Attachment only) Screw (8) 806-42010-16 1/4-20 x 1 PAN,TORX,BLK ZINC, (Cabinet Back) Nut (8) 834-30010-00 1/4-20 KEPS, BLK ZINC,,RIGHT Threadlocker 69437 Locktite 242 Waveguide Gasket (2) 350841-001 Horn Gasket Top/Bottom (2) 351415-001 Screw (8) 804-42110- 12 10-32 x 3/4 PAN, TORX, BLK ZINC, Input Connector 443294-001 Wire Harness 350989-001 Connector Assembly 350988-001 Rear Hinge Assy. (2) 364137-001 H/F Grille 350827-001 Grille Right 350780-001 Grille Left 350780-002 Grille Trim (2) 351526-001 Screws (16) 803-32011-04 8-32 x 1/4 TRUSS,TORX,BLK ZINC, Standoff (16) 885-00082-01 8-32, 3/8 HEX 1/4, SS Mid-Range Gasket (2) 350819-001 HF Flare 351486-001 Screws (8) 881-11110-08 4 x 1/2 FLT, PH, PB, BLK,ZINC Grille Insert Nut (16) 350618-001 Driver,Low Freq 2262H (2) (338312-001X) Cone Repl C8R2262 Dolly Lock Pin (2) 351797-002 Nut (2) 836-36110-00 3/8-24 Nylon,BLK, ZINC, Dolly Retainer, Pin (2) 351696-001 Gasket 12 (2) 339391-001 Screw (16) 804-72110-24 10-32 x 1 1/2 SKT,TORX,BLK ZINC, Rigging Tube Pad (8 351001-001 Front Rigging Tube (2) 350572-002 Screw (4) 338885-001 1/4 x 1 FLTHD SOCKT GRD 8, PATCH Handle (6) 923-00022-07 Gasket (6) 382-00337-00 Handle Screws (24) 804-42110-12 10-32 x3/4 PAN,TORX,BLK ZINC, Screws (36) 884-42110-12 10 X 3/4 PAN, TORX, PB, BLK, ZINC, Screws (4) 338885-001 1/4 x 1 FLTHD Socket Grade 8,PATCH Quick Release Pin, (8) 361343-001 Rear Rigging Tube (2) 350573-002
DOLLY ASSEMBLY -ACC Screws (16) 807-13000-20 5/16-18 x 1-1/4 HEX, CLR, ZINC,LC Dolly Platform 351896-002 Screws (8) 804-11100-16 10-32 x 1 FLT, CLR, ZINC, Washer (8) 843-00100-00 #10 Flat, Fender Nut (8) 833-36100-00 10-32 Nylon, CLR, ZINC, Housing Dolly Lock Pin (2) 885-00091-00 Caster Plate (4) 909-00052-01 Washer (16) 845-00100-00 5/16 Flat Nut (16) 352018-001 5/16-18 Nylock Special Caster Wheels (4) 924-00005-00 Screws (10) 802-11000-08 6-32 x 1/2 FLT, PH, CLR, ZINC, Dolly Lock Cover 337089-001 Cap # 1/8 336879-001 LC-9125 Retainer Spring (2) 351563-001 Housing Dolly Lock Pin (2) 885-00091-00 -ACC
DOLLY ASSEMBLY 350519-002 -ACC REV B Dolly Platform 351896-003 Screws (16) 807-13000-20 5/16-18 x 1 1/4 FLT, HEX,CLR ZINC, LC Insert (10) 8161207-001 8-32 x 4MM HXS, KNIFE32608C10ZC T NUT (2) 21749 CP, 8-32 x 1/4 Caster Plate (4) 909-0052-01 Caster Wheels (4) 924-00005-00 Nut (16) 352018-001 Nylock Special Screws (12) 803-11000-08 8-32 x 1/2 FLT, PH, CLR ZINC, UNC Cover, Dolly Housing (2) 351893-001 Spring Assembly (2) 351899-001 -ACC
ARRAY FRAME ASSEMBLY -SF Pin,Ball Locking Assembly (4) 361345-001 4 in. Frame Array 350648-001 JBL Label 955-00154-00 Screws (4) 804-31110-08 10-32 x 1/2 TRUSS, PH, BLK, ZINC, Front Hinge Block (4) 339896-004 Bolt (16) 856-00013-40 3/8-16 x 1/2 HEX,CAP,BLK ZINC,MCA Front Hinge Block (4) 339896-004 Bolt (16) 856-00013-40 3/8-16 x 21/2 HEX,CAP, BLK ZINC, MCA Nut (16) 836-36113-00 3/8-16 Nylon Lock, BLK ZINC,MCAS,RT Washer (32) 846-00410-08 3/8 x.80 FLTPL,EX DT, BLK ZINC, CS -SF
ARRAY FRAME ASSEMBLY -AF Screws (4) 804-31110-08 10-32 x 1/2 TRUSS, PH, BLK, ZINC, Pin, Ball Locking Asembly (4) 361345-001 4 in. 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 JBL Label 955-00154-00 Frame Array 339897-001 Bolt, (16) 856-00013-48 3/8-16 x 2-1/2 HEX, CLR, BLK ZINC,MCA Front Hinge Block (4) 339896-004 -AF