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Good manual. It is complete and of high quality, both text and graphics. The schematics are with the original big size, so it can be viewed or printed without any loss of resulution and sharpness.
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We needed a manual quickly...online it was available immediately, at a very low price. We loved the convenience!
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One address for rare manuals.Very good copy. Thank you.
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Klaus Husse
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All ok. I pay 5 $ and now i have 92 pages of good scaned service manual for my oooooold akai. Now i will try to repair it.
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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Parse Time: 0.169 - Number of Queries: 127 - Query Time: 0.043
