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

Technical Manual

VTX A12

SPECIFICATIONS ACOUSTIC & ELECTRICAL SPECIFICATIONS: • Frequency Range (–10 dB): 46 Hz – 19 kHz (Preset: VTXA12)

• Maximum SPL Output: 146 dB (Preset: VTXA12) • System Impedance: LF: 2 x 8 ohms; MF: 8 ohms;

HF: 8 ohms • System Input Power Rating: LF: 2 X 800 W Continuous

(IEC/100 hour)

MF: 400 W Continuous (IEC/100 hour) HF: 150 W Continuous (IEC/100 hour)

SYSTEM COMPONENTS: • Cabinet: Enclosure (Not For Sale) • Grille: 5075135

Low Frequency Driver: 2264H x 2, 12 in woofer; Dual 3 in diameter voice coil, Neodymium Differential Drive

• D.C.Resistance: 5.1 ohms +/- 10%

• Mid Frequency Driver:

2165H x 4, 5.5 in; Dual 2 in diameter voice coil, Neodymium Drive

• D.C.Resistance: 5.3 ohms +/- 10%

SYSTEM COMPONENTS: (CONT’D) • High Frequency Driver: 2423K x 3, 2 in diameter annular diaphragm; 2

in diameter voice coil, Neodymium Magnet Diaphragm. • D.C.Resistance: 20.50 ohm +/- 0.2 ohm AURAL SWEEP TEST SPECIFICATIONS: A. System.Aural Sweep Test: 7 V Input, 40 Hz to 21 kHz B. L.F.Aural Sweep Test: 10 V Input, 50 Hz to 1,700 Hz C. M.F.Aural Sweep Test: 7 V Input, 60 Hz to 4 kHz D. H.F.Aural Sweep Test: 2 V Input, 300 Hz to 20.6 kHz PHYSICAL SPECIFICATIONS: • Enclosure Dimensions: 330.2mmX1,118mX495.3mm

(H x W x D): (13” X 44” X 19.5”) • Net Weight: 134 lb (60.8 kg)

WARRANTY INFORMATION: • Refer to Warranty Statement packed with each product.

PACKAGING: WIRING DIAGRAM:

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COMPONENT PARTS LIST:

Item Part Number Description Qty.

1 364835-001 GASKET, ENCLOSURE 7

2 445327-001 GASKET, HANDLE VTX 2

3 446372-001 HANDLE ASSY, VTX 4

4 446375-001 LOGO 2

5 5026065 #8-32 CHEESE HD, TORX, W/PATCH 32

6 5045942 SCR,PT,M5X26mm,PANHD,TORX,BLK,MAGNI577 32

7 5054362 SCR,PT,M5x16MM,PAN HEAD,TORX,BLK 16

8 5069905X M/I, 2264H 2

9 5072915X M/I, 2423K 3

10 5073648 SPACER, SHOULDERED 16

11 5074111X M/I, 2165 4

12 5075135 FRONT GRILL 1

13 5077562 HORN,FRONT 2

14 5077563 RBI 4

15 5077564 WAVEGUIDE,OUTER SHELL 6

16 5077565 WAVEGUIDE,INNER SHELL 6

17 5077566 HORN,REAR 2

18 5077567 HF PLATE 1

19 5078244 GASKET,SIDE PANEL 2

20 5078366 GASKET,WAVEGUIDE 1

21 5078367 GASKET,HORN 2

22 5079118 INPUT PLATE ASSEMBLY 1

23 5080754 SCR,M6X50,SKT,HEX,BLACK,ALLOY,PATCH 16

24 5080759 GASKET,RBI 4

25 5080761 GASKET,SIDE,WAVEGUIDE 6

26 5080762 SCR,10-32 X 2 1/2,SOC CAP,BLK,ALLOY,PATCH 4

27 5080811 FOAM,WAVEGUIDE 3

28 803-12011-12 SCR,8-32 X 3/4,FLT,TORX,BLK ZC, LCS 10

29 803-42011-12 SCR,8-32 X 3/4,PAN,TORX,BLK ZINC,LCS_ 12

30 804-42111-16 SCR,10-32X1,PAN,TORX,BLK 38

31 818-11710-25 SCR,M10 X 25MM,FLT,PH,BLK ZINC,LCS 8

32 834-36010-00 NUT, 1/4-20, NYLOC, BLACK 3

33 872-33004-16 SCR,6-32X1,SKT,CLEAR,ALLOY 6

34 875-33011-20 SCR,1/4-20 X 11/2,SCKT,HEX,BLK ZINC,MCS 3

35 882-41110-10 SCR, 6 X 5/8,PAN,PH,PB,BLK ZINC,LCS 8

39 5072816 BALL LOCK PIN, 3/8" X 16MM, LONG BUTTON 6

40 5080758 GASKET,FRAME COVER 2

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WIRING DIAGRAM

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SUSPENSION FRAME ASSEMBLY

Item Part Number Description Qty.

1 5041961 EXTERNAL RETAINING RING-CIRCLIPS 3/8" SHAFT

1

2 5073506 ARM,SUSPENSION FRAME 1

3 5073543 LEVER, RELEASE 1

4 5073544 EASYLATCH 1

5 5073545 PIN,LATCH 5

6 5073642 SPRING, TENSION,LATCHMECH

2

7 5073646 PIN,PIVOT,ARM,SUSPENSION FRAME

1

8 5073649 SPACER, SUSPENSION FRAME 8

9 5073983 LABEL,ANGLE,RIGHT 1

11 5078469 PIN,SPRING,RETAINING 2

12 5078593 PLATE,TOP,SUSPENSION FRAME

1

13 5078594 PLATE,BOTTOM,SUSPENSION FRAME

1

14 5079774 PIN, LATCHMECH RETAINING 2

15 5080753 NUT,10-32,THIN,NYLON LOCK,ZINC

8

10 5084778 UNIORING,LATCHPIN,VTX-A12

2

16 804-42111-12 SCR,10-32 X 3/4,PAN,TORX,BLK ZINC,LCS

8

17 5073982 LABEL,ANGLE,LEFT 1

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