JBL VT4887. Technical Manual SPECIFICATIONS PACKAGE JBL VT4887 REV AAA

Transcription

1 Technical Manual JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California U.S.A. SPECIFICATIONS ACOUSTIC & ELECTRICAL SPECIFICATIONS: Frequency Response: 80 Hz- 20 khz (±3 db) Horiz Coverage Angle: 100, 500 Hz - 16 khz (-6dB) Vert Coverage Angle: Varies with size and configuration(-6db) Max Peak Output: 131 db to 141 1M (Frequency/Bandpass Dependent) Recommended Signal Digital System Processing: (Factory Settings) dbx 480, BSS 366, XTA 226 Crossover Frequency: 415 Hz LF to MF/HF; 2.1 khz MF to HF (Passive Crossover Network) SYSTEMS COMPONENTS: Cabinet: Enclosure Panels: Top/Bottom ( ), Side, 2x ( ), Rear ( ) Grille: Left ( ), Right ( ) Low Frequency (2) 2168J, 208 mm (8 ) dia., 76 mm (3 ) Transducer: Dual Coil Differential Drive Nominal Impedance: 16 ohms (Per Driver) Input Power Rating: 1000W (4000W peak) 2 hrs. 700W (2800W peak) 100 hrs. Bandpass Sensitivity: 97 1m (3.3 ft.) DC Resistance: 5.2 Ohms Mid Frequency (4) 2104H, 101 mm (4 ) dia. Transducer: 25.4 mm (1 ) Coil Nominal Impedance: 8 Ohms (Per Driver) Input Power Rating: 225W (900W peak) 100 hrs. Bandpass Sensitivity: 101 1m (3.3 ft.) DC Resistance: 4.2 Ohms PACKAGE Filler (2) Microfoam (8) 49790P Carton Fiberglass (18) 22389P Chip FBRBRD SYSTEMS COMPONENTS (Cont): High Frequency (2) 2407H, Neodymium Ultra Light Transducer: Ring Radiator Nominal Impedance: 8 Ohms (Per Driver) Input Power Rating: 225W (900W peak) 100 hrs. Bandpass Sensitivity: 101 1m (3.3 ft.) DC Resistance: 4.3 Ohms AURAL SWEEP TEST SPECIFICATIONS: A. System Aural Sweep Test (thru processormeasured at the amp output): 6V, 80 Hz to 20 khz B. LF Woofer Sweep Test (per ets): 3V, 80 Hz to 400 Hz C. MF Woofer Sweep Test (per ets): 2V, 500 Hz to 5 khz D. HF Driver Sweep Test (per ets): 1.2V, 800 Hz to 20 khz PHYSICAL SPECIFICATIONS: Enclosure Dimensions: 279 mm x 787 mm x 417 mm D (11 x 31x 16.4 in. D) Shipping Weight: 85 lbs. (39 kg) VT4887 VT4887-ACC 25 lbs. (11.4kg) WARRANTY INFORMATION: Refer to Warranty Statement packed with each product. Dolly Assembly (VT4887) Carton Filler, Top (2) Filler, Bottom (2) Soft Cover Warranty Specification Sheet SF Carton Filler (2) Owner s Manual AF Carton Filler (2) Owner s Manual REV AAA 07-09

2 WIRING DIAGRAM YELLOW 12 High Frequency Driver (2) 2407H ( X) Dia Repl D8R2407 No. 1 No. 2 YELLOW YELLOW/BLACK Wiring Harness Assembly No. 1 WHITE WHITE 12 No. 2 WHITE WHITE Mid/HF Crossover Network Imput Connection Assembly (assembly includes the network) Input PCB No. 3 WHITE 12 WHITE RED No. 4 BLACK GREEN GREEN/BLACK Mid Frequency Driver (4) 2104H ( X use X) No. 1 No. 2 Low Frequency Driver (2) 2168J ( X) C16R2168

3 SCHEMATIC DIAGRAMS Mid/HF Crossover Network P/N R1 6.8R 25W R2 6.8R 25W C1 6.8µF C2 2µF C3 1µF C4 12µF 16 YELLOW 12 YELLOW 205 FEMALE 250 PCB MALE L2 0.4mH L2 1mH 205 FEMALE 250 PCB MALE 16 YEL/BLK L1 0.5mH 24 WHITE C5 20µF C6 10µF 12 WHITE 250 MALE 24 WHITE/BLK 250 MALE 24 WHITE 12 WHITE 250 MALE 24 WHITE/BLK 250 MALE Input Connection Assembly P/N Wire Harness Assembly P/N X NL X RED BLACK LF (R) P1 P2 STRIP/TIM STRIP/TIM WHT WHT/BLK GRN GRN/BLK P5 P6 LF (L) P3 P4 STRIP/TIM STRIP/TIM To VT4887 crossover assy. P/N S-3772

4 COMPONENT EXPLODED VIEW Top/Bottom Panel Rigging Bracket (8) Screw(16) x 1 1/2 FLT,PH,BLK,ZINC T-Nut (16) T-Nut #10-32 x 5/16 (8) Panel Divider Rear Panel /4 20 x /4-20 x 3/4 T-Nut Baffle (2) Washer Silkscreen Vertec T-Nut (12) Baffle Mid (2) Side Panel (2)

5 COMPONENT EXPLODED VIEW Washer, Amp Mount (8) /8 (Cabinet Back) RBI Assy (2) Screws (12) x 1 1/2 PAN,TORX, BLK, H/F Grille Rigging Bracket (8) Screw(16) x 1 1/2 FLT,PH,BLK,ZINC Enclosure Assy C4887A (available to VerTec Dealers and Service Centers) Grille Left: (1) Grille Right: (1) Grille Trim: (2) x 1/4 TRUSS,TORX, BLK,, Dolly Lock, Pin (2) Nut, (2) /8-24 Nylon Dolly Retainer, Pin (2) Front Hinge (2) Mid Range (4) 2104H ( X use X) Top/Bottom Horn Gasket (2) Center Horn Gasket T-Nut (16) HF Flare x 1/2 FLT, PH, PB, BLK Low Frequency (2) 2168J ( X) Cone Repl C16R x 1 1/4 FLT,PH,BLK, Gasket Horn (2) Screws (6) x 1 FLHD, PH, BLK Standoff (16) , 3/8 HEX x 1/4,SS Grille Insert Nut (16) Gasket (2) Rigging Tube Pad (8) High Frequency (2) 2407H ( X) Diaph Repl D8R /4-20 x 7/8 Socket Set Cup Point /4-20 x 1/2 HEX,CLR,ZINC,MCAS Horn Assembly (2) Horn Bracket (2) Rear Hinge (2) Slider Knob (2) x 5/8 Front Rigging Tube (2) Pin, Quick Release (8) Screw (8) /4-20 x 1 PAN,TORX,BLK ZINC, LCS HDL Gasket (2) External Tooth Lock Washer (8) Washer (8) /4,SAE,REG,BLK Input Connection Assembly (includes the crossover network) Screw (4) x 3/4 OV,PH,PTCL,BLK, R.A.P Rear Rigging Tube (2) Patch (8) /4 x 1FH HD socket Grade 8 Handle (2) Screws (12) x 3/4 PAN,TORX,PB, BLK, x 3/4 PAN,TORX,BLK,

6 DOLLY ASSEMBLY -ACC REV C # 5/16-18 x 1-1/4 HEX,CLR,ZINC LC Dolly Assembly(1) Dolly Platform(1) w/c sink holes x 1 FLT,CLR, Fender Washer (8) #10 Nut Nylon, CLR,ZINC, LCS Dolly Lock Housing Assembly (2) Caster Plate (4) Caster Wheels (4) Flat Washer (16) /16 Nylon Nut Lock (16) /16-18 Screws (10) x 1/2 FLT,PH,CLR, Dolly Lock Cover Cap # 1/8 (2) LC ACC REV C HSG. Dolly Locking Pin (2)

7 DOLLY ASSEMBLY -ACC REV C Dolly Platform /16-18 x 1 1/4 FLT, HEX,CLR ZINC, LC T NUT (2) CP, 8-32 x 1/ Caster Plate (4) Insert (10) x 4mm HXS, KNIFE32608C10ZC Caster Wheels (4) Cover (2) Dolly Housing Nut (16) NyLock Special Screws (12) x 3/4 LFT,PH,CLR,ZINC, LCS Spring Assembly (2) ACC REV C 10-02

8 ARRAY FRAME ASSEMBLY Screw (4) /2 TRUSS, PH, BLK ZINC, LCS JBL Label SF Pin, Ball Locking Assembly (4) Frame Array Front Hinge Block (4) Bolt (16) /8-16 x 2 1/2 HEX,CAP, BLK ZINC, MCA Front Hinge Block (4) Screw (16) /8-16 x 2-1/2 HEX,CAP, BLK ZINC, MCA Nut (16) /8-16 Nylon Lock, BLK ZINC, MCAS, RT Washer (32) /8 x.08 FLTPL,EX DT, BLK ZINC,CS -SF 10-02

9 ARRAY FRAME ASSEMBLY -AF Screws (4) x 1/2 TRUSS,PH,BLK Pin, Ball Locking Assembly (4) Washer (32) /8 x.08 FLTPL, EX DT, BLK, ZINC, CS Nut (16) /8-16 Nylon Lock, BLK ZINC MCAS, RT JBL Label Frame Array /8-16 x 3 HEX, CAP, BLK ZINC, MCA Front Hinge Block (4) AF 10-02