ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8
Ω
• Max Amp Power
250 watts*
• Frequency Response
35Hz – 20kHz (±3dB)
30Hz – 40kHz (–6dB)
• Sensitivity
91dB (2.83V @ 1 meter)
• Crossover Frequencies
600Hz, 3.3kHz; 18dB/Octave
woofer; 12dB/octave mid/twt
SYSTEM COMPONENTS:
• Cabinet
Beta 50 (Not for Sale)
• Grille Black (for BLK)
351605-003
Grille Gray (for BE & CH)
351605-004
• Low-Frequency Transducer
Dual 8" (200mm) CMMD,™
magnetically shielded
351509-001
DC Resistance
7.9 ohms ±10%
• Mid-Frequency Transducer
5" (130mm) CMMD,™
magnetically shielded
338568-001
DC Resistance
4.4 ohms ±10%
• High-Frequency Transducer
1" (25mm) CMMD,™
magnetically shielded
351572-001
DC Resistance
3.5 ohms ±10%
• Crossover Network
351604-001
AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test
6.0V Input 30Hz to 20kHz
• L.F. Aural Sweep Test
5.0V Input 30Hz to 1kHz
• M.F. Aural Sweep Test
4.0V Input 500Hz to 4kHz
• H.F. Aural Sweep Test
2.83V Input 3kHz to 20kHz
PHYSICAL SPECIFICATIONS:
• Dimensions
41-5/16" x 10-7/16" x 14-11/16"
(H x W x D)
(1050mm x 265mm x 372mm)
• Weight
62.5 lb (28.4kg) Each
WARRANTY:
• Refer to Warranty Statement packed with each product.
* The maximum recommended amplifier power rating will ensure
proper system headroom to allow for occasional peaks. We do not
recommend sustained operation at these maximum power levels.
Beta 50
Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797
Rev 1 8/04
23
25
22
22
6
21
24
Legend on Page 2
LF
INPUT
L.F.
C1
68uf
100V
L1
2.7mH
L2
0.5mH
+
—
RED
BLK
+
—
CROSSOVER
NETWORK
351604-001
HIGH-FREQUENCY
TRANSDUCER
351572-001
.250
.205
18.5" GRN
.250
18.5" GRN
.205
18.5" GRN/BLK
18.5" GRN/BLK
RED
BLK
+
—
GRN/BLK
GRN
—
+
GRN/BLK
GRN
—
+
—
—
+
WHT/BLK
WHT
YEL/BLK
YEL
+
LOW-FREQUENCY
TRANSDUCERS
351509-001
MF/HF
INPUT
L5
0.1mH
L4
0.72mH
H.F.
M.F.
C3
18.5uf
100V
L3
.68mH
.110
.205
+
—
.205
.250
27.5" WHT/BLK
27.5" WHT
29.5" YEL/BLK
29.5" YEL
C4
4.3uf
100V
C2
30uf
100V
MID-FREQUENCY
TRANSDUCER
338568-001
PACKAGING
BETA 50 WIRING DIAGRAM
BETA 50 SCHEMATIC
Technical Manual
Beta 50
