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  | CS BU 1  | 
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  | CS BU 1  | ||||
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1
2
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25
26  | 51  | 76  | 
-  | -  | -  | 
50  | 75  | 100  | 
Specifications:
CS BU 1 Base Unit:
Frequency response:  | |
> 70 dB  | |
Audio Inputs  | 
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Discussion (Summed):  | +16 dB  | 
Line:  | |
Tape:  | |
Audio Outputs  | 
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User station loudspeakers:  | 0 db  | 
Record output:  | 
Connectors
User station/extension socket: 4 x 
Audio Inputs:  | XLR   | 
Audio Outputs:  | XLR   | 
Tape output:  | RCA jacks  | 
General  | 
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Power Requirement:  | |
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  | 
1
2
3
25
26  | 51  | 
-  | -  | 
50  | 75  | 
CS EU 1
  | 100 Additional user stations  | 
  | (for a total of 175)  | 
CS CU/CS DU User Stations: | |
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Frequency Response:  | |
THD: | < 0.1%  | 
> 106 dB  | |
Microphone (CK 31)  | 
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Sensitivity:  | 20 mV/Pa 34 dBV  | 
Polar Pattern:  | cardioid  | 
Frequency Response:  | |
> 97 dB  | |
Current Consumption  | 
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Standby:  | 30 mA  | 
Operating:  | 70 mA  | 
Power Requirement:  | 22 to 36 V DC  | 
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