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Specifications:
CS BU 1 Base Unit:
Frequency response: 20–20,000 Hz
Signal-to-noise ratio: > 70 dB
Audio Inputs
Discussion (Summed): +16 dB
Line: -10 to +6 dB
Tape: -20 to +6 dB
Audio Outputs
User station loudspeakers: 0 db
Record output: -20 to +6 dB
Connectors
User station/extension socket: 4 x 12-pin male
Audio Inputs: XLR 3-pin female
Audio Outputs: XLR 3-pin male
Tape output: RCA jacks
General
Power Requirement: 115–230 V/50–60 Hz
Power Consumption: 250 VA
Width: 17.7 in. (450 mm)
Depth: 9.8 in. (250 mm)
Height: 1.7 in. (44 mm)
Weight: approx. 11 lbs. (5 kg)
CS1 Components:
CS BU 1 Base unit for up to 100 microphone stations
CS EU 1 Extension unit for additional 100 microphones
CS CU 31 Chairman user station with CK 31
CS DU 31 Delegate user station with CK 31
CS CU Chairman user station without microphone
CS DU Delegate user station without microphone
Optional Accessories:
CS RMU 1 Rack ears for CS BU 1
CK 31 Cardioid microphone capsule
CK 32 Omnidirectional microphone capsule
CK 33 Hypercardioid microphone capsule
CK 47 Studio quality hypercardioid microphone capsule
CK 80 Hypercardioid microphone capsule with speech
optimized frequency response
W 30 Windscreen for CK 31, CK 32, and CK 33
W 70 Windscreen for CK 47
W 80 Windscreen for CK 80
CS CU/CS DU User Stations:
Pre-Amplifier
Frequency Response: 20–15,000 Hz
THD: < 0.1%
Signal-to-noise ratio: > 106 dB
Microphone (CK 31)
Sensitivity: 20 mV/Pa 34 dBV
Polar Pattern: cardioid
Frequency Response: 100–18,000 Hz
Signal-to-noise ratio: > 97 dB
Current Consumption
Standby: 30 mA
Operating: 70 mA
Power Requirement: 22 to 36 V DC
Figure 1 Figure 2
1
2
3
25
26
-
50
51
-
75
76
-
100
CS BU 1
1
2
3
25
26
-
50
51
-
75
CS BU 1
CS EU 1
100 Additional user stations
(for a total of 175)