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Great item, high resolution, detailed, very easy to work with.
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fast delevery of the manual and very complete manual, now my Akai works again, will buy again, thanks.
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Beta EightXdvc 8" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 3.625" (92.08 mm)
IMPEDANCE CURVE
8" (203.2 MM) 90 dB 200 WRMS 20 ~ 600 HZ 4 OHMS (PER COIL) 1.5" (38.6 MM)
100.0 Ohms
30.0
10.0
3.0
1.0 20 Frequency 50 100 Hz 200 500 1k 2k
cutout diameter 7.28" (184.91 mm) outer diameter 8.78" (223.01 mm)
INFINITE BAFFLE FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 80 Hz 95
THIELE-SMALL PARAMETERS*
VOICE COIL DC RESISTANCE: REVC (OHMS) . . . . . . 2.90 VOICE COIL INDUCTANCE @ 1 KHZ: LEVC (MH) . . . . . . . 1.27 DRIVER RADIATING AREA: SD (IN 2) . . . . . . . . 33.33 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: SD (CM2). . . . . . . 216.00 BL (TM) . . . . . . . . . 9.07 VAS (FT3) . . . . . . . . 1.40 VAS (LITERS) . . . . . 33.03 CMS (µM/N) . . . . 498.56 MMS (GRAMS). . . . . 47.81 MMD (GRAMS) . . . . 45.98 FS (HZ) . . . . . . . . . 32.6 QMS. . . . . . . . . . . . 3.38 QES . . . . . . . . . . . . 0.35 QTS . . . . . . . . . . . . 0.31 HAG (IN) . . . . . . . . . 0.31 HAG (MM) . . . . . . . . 8.00 HVC (IN) . . . . . . . . . 1.06 HVC (MM) . . . . . . . 26.80 XMAX (IN) . . . . . . . . 0.37 XMAX (MM) . . . . . . . 9.40
90 85 80 Out-Of-Car
75
70
65
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
INFINITE BAFFLE EXCURSION/GROUP DELAY @ 50 W
20.0 Xd mM T mSec 10.0 17.5 7.5
15.0
5.0
12.5
Group Delay
2.5
10.0 7.5 5.0
0.0 -2.5 -5.0
2.5
Transducer Excursion
-7.5
0.0
*VOICE COILS CONNECTED IN PARALLEL
20
Frequency
50
100 Hz
200
500
1k
-10.0 2k
C
Ininfity Technical Data . . 8�35
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