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There are currently no product reviews.
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Very good reproduction (copy) of original manual. Didn't have a parts list, but schematic was completely labeled with parts. Complete instructions on how to adjust mechanical functions of the 8-track deck. Well worth having and at a very reasonable cost.
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It's a full manual. All the parts are in there. I haven't found the problem yett, but I am working on it; hope I can rebuild the part myself. To make it more secure and unbreakable this time. Because the part has failed several times before and costs a lot to let it be repaired.
Thanks so much for this rich illustrated and parted manual.
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I downloaded the document. The manual was complete, well scanned and everything was legible. I could zoom in see what I needed to know. There's not much more that you can ask.
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It was complete service manual with all needed service informations. Thanks.
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El manual esta muy detallado, los numeros de partes y los esquemas de despiece son correctísimos y muy claros, tanto para los técnicos experimentados como para los novatos.
Reference 1230w 12" Woofer � Technical Data
CAR AUDIO
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS: 12" (304.8 MM) 90 dB 300 WRMS1200 WPEAK 23 ~ 400 HZ 4 OHMS 2.0" (50.0 MM)
SEALED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)
Reference 1230w
(side view)
mounting depth 6.125" (155.58 mm)
VBOX = 1.25 ft3 (35.40 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
cutout diameter 11.25" (286 mm) outer diameter 12.375" (315 mm)
SEALED FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 80 Hz 95
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: R
EVC
90 85
Out-Of-Car
(OHMS) . . . . . . 3.40 (MH) . . . . . . . 2.54
VOICE COIL INDUCTANCE @ 1 KHZ: L DRIVER RADIATING AREA: MOTOR FORCE FACTOR: COMPLIANCE VOLUME: SUSPENSION COMPLIANCE: MOVING MASS, AIR LOAD: MOVING MASS, DIAPHRAGM: FREE-AIR RESONANCE: MECHANICAL Q: ELECTRICAL Q: TOTAL Q: MAGNETIC-GAP HEIGHT: VOICE-COIL HEIGHT: MAXIMUM EXCURSION:
EVC
80 75 70
S D (IN 2) . . . . . . . . 82.48 S D (M2) . . . . . . . 532.00 BL (TM) . . . . . . . . 14.63 VAS (FT3) . . . . . . . . 2.78 VAS (LITERS) . . . . . 78.50 C MS (µM/N) . . . . 195.40 MMS (GRAMS). . . . 174.21 MMD (GRAMS) . . . 167.15 FS (HZ) . . . . . . . . 27.27 Q MS . . . . . . . . . . . 6.14 Q ES . . . . . . . . . . . . 0.47 Q TS . . . . . . . . . . . . 0.44 HAG (IN) . . . . . . . . 32.50 HAG (MM) . . . . . . . . 8.00 HVC (IN) . . . . . . . . . 1.27 HVC (MM) . . . . . . . 32.50 X MAX (IN) . . . . . . . . 0.49 X MAX (MM) . . . . . . 12.25
65
C
60 20 Frequency 50 100 Hz 200 500 1k
2k
SEALED EXCURSION/GROUP DELAY @ 300 W
20.0 Xd mM 17.5 15.0 T mSec 20 15 10
12.5
Group Delay
5
10.0
0
7.5
-5
5.0 2.5 0.0 20 Frequency 50 100 Hz 200 500 1k Transducer Excursion
C
-10 -15 -20
2k
Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.infinitysystems.com
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