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I really like this manual and it's reliable.I found and bought easly.thank you.
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PDF Contains
Technical Data, Mechanical data, Detailed Circuit diagram with components value, PCB layout. Actual PCBs Print. Component List, Spare parts code list and Input output detail. It cover LBB1211, LBB1212, LBB1213, LBB1216, LBB1217.
It is the actual Service Manual for SQ10
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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