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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
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Really good and well scanned. File is complete the full service manual for 5$
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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