HARMAN KARDON BETAEIGHTX
Manual de Servicio

Beta EightX 8" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 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 W
RMS
100.0 Ohms

30.0

20 ~ 600 HZ 4 OHMS 1.5" (38.6 MM)

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 @ 70 Hz 95 90 85 80 75 70 Out-Of-Car

THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 2.90 VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH). . . . . . . . 3.70 DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 33.33 S (CM2). . . . . . . 216.00
D

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:

BL (TM) . . . . . . . . . 9.09 V (FT3). . . . . . . . . 1.43
AS

65

VAS (LITERS). . . . . . 33.72 C MS (µM/N) . . . . 509.00 MMS (GRAMS) . . . . . 49.68 MMD (GRAMS). . . . . 47.85 FS (HZ) . . . . . . . . 31.65 Q MS . . . . . . . . . . . . 6.80 Q ES . . . . . . . . . . . . 0.35 Q TS . . . . . . . . . . . . 0.33 H (IN) . . . . . . . . . 0.31
AG

60

C

20 Frequency

50

100 Hz

200

500

1k

2k

INFINITE BAFFLE EXCURSION/GROUP DELAY @ 100 W
20.0 Xd mM 17.5 15.0 T mSec 10.0 7.5 5.0

12.5 Group Delay 10.0

2.5

HAG (MM) . . . . . . . . 8.00 H (IN) . . . . . . . . . 1.06
VC

0.0

7.5

-2.5

HVC (MM) . . . . . . . 27.00 X MAX (IN) . . . . . . . . 0.37 X MAX (MM). . . . . . . . 9.50

5.0 2.5 0.0 20 Frequency 50 100 Hz 200 500 1k Transducer Excursion
C

-5.0 -7.5 -10.0 2k

8�32 . . Infinity Technical Data