Technical Manual
Beta 50
ACOUSTIC & ELECTRICAL SPECIFICATIONS:AURAL SWEEP TEST SPECIFICATIONS:
? Nominal Impedance8?? System Aural Sweep Test6.0V Input 30Hz to 20kHz
? Max Amp Power250 watts*? L.F. Aural Sweep Test5.0V Input 30Hz to 1kHz
? Frequency Response35Hz 20kHz (3dB)? M.F. Aural Sweep Test4.0V Input 500Hz to 4kHz
30Hz 40kHz (6dB)? H.F. Aural Sweep Test2.83V Input 3kHz to 20kHz
? Sensitivity91dB (2.83V @ 1 meter)
? Crossover Frequencies600Hz, 3.3kHz; 18dB/OctavePHYSICAL SPECIFICATIONS:
woofer; 12dB/octave mid/twt? Dimensions 41-5/16" x 10-7/16" x 14-11/16"
(H x W x D)(1050mm x 265mm x 372mm)
SYSTEM COMPONENTS:? Weight62.5 lb (28.4kg) Each
? CabinetBeta 50 (Not for Sale)
? Grille Black (for BLK)351605-003 WARRANTY:
Grille Gray (for BE & CH)351605-004? Refer to Warranty Statement packed with each product.
? Low-Frequency Transducer Dual 8" (200mm) CMMD,?
magnetically shielded* The maximum recommended amplifier power rating will ensure
351509-001proper system headroom to allow for occasional peaks. We do not
DC Resistance7.9 ohms 10%recommend sustained operation at these maximum power levels.
? Mid-Frequency Transducer5" (130mm) CMMD,?
magnetically shielded
338568-001
DC Resistance4.4 ohms 10%
? High-Frequency Transducer 1" (25mm) CMMD,?
magnetically shielded
351572-001
DC Resistance3.5 ohms 10%
? Crossover Network351604-001
BETA 50 WIRING DIAGRAM
PACKAGINGMID-FREQUENCY
TRANSDUCER
HIGH-FREQUENCY338568-001
23 24 25TRANSDUCER
351572-001
+??
22
YEL+
LOW-FREQUENCY
TRANSDUCERS
YEL/BLKWHT/BLKWHT351509-001
GRN+
?BLK?
GRN/BLK
+RED
?BLK
+REDGRN+
6?
GRN/BLK
CROSSOVER
NETWORK
351604-001
BETA 50 SCHEMATIC
+.250
L1L218.5" GRN
2.7mH0.5mH
.250
C118.5" GRN
22LF
68uf
L.F.
INPUT100V18.5" GRN/BLK
.205
18.5" GRN/BLK
?.205
+.205
27.5" WHT/BLK
21L3
.68mH C3
MF/HFC218.5ufL4
INPUT30uf100V0.72mHM.F.
100V
?.250
27.5" WHT
.110
29.5" YEL/BLK
C4L5
4.3uf0.1mHH.F.
100V
Legend on Page 2
.205
29.5" YEL
Beta 50
Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797
Rev 1 8/04 |