Sennheiser CONFERENCE AND INFORMATION SYSTEMS SDC 3000 Manual, Technical Data

SDC 3000
Conference and Information Systems | SDC 3000
System Features
 Decentralised, clear sound reproduction
  Modular design to build systems of various size from a couple of 
delegate units on one central unit until up to 600 delegate units 
operated by four interconnected central units
 Excellent speech intelligibility due to 16-bit audio transmission
 Delegate units are extremely easy to operate
  Various options for assigning or withdrawing the “speaking right” to/from 
any conference participant
 Chairman‘s unit offers flexible functions for controlling a conference
 Voting function enables fast and accurate vote counting and evaluation
 Optional PC software allows sophisticated operation and control
General Description
The SDC 3000 D and SDC 3000 DC delegate units are extremely easy-to-use communi-
cation terminals for conference participants. They feature a built-in loudspeaker and 
electret microphone, ensuring excellent sound reproduction throughout the entire 
conference room. The units are controlled via the MIC key. By pressing this key, for 
example, the participant can activate the microphone or “apply” to take the floor. 
A red LED ring on the microphone indicates who is allowed to take the floor or who 
has requested to talk. Both units have an integral 3.5 mm jack socket suitable for 
connecting, for example, headphones or a neck induction loop for the hearing impaired.
The SDC 3000 DC additionally features a switchable interpreter channel. The lan-
guage is chosen with the SELECT key, the headphone volume can be individually 
adjusted with the VOLUME key. An LC display indicates the selected interpretation 
channel or volume. The conference channel plus 11 interpreter channels are avail-
able at the headphone output and can be listened to via mono headphones. The 
conference participants can participate in voting sessions from the delegate units. 
A simple change in configuration at the SDC CU central unit is all that is needed to 
turn a delegate unit into a chairman‘s unit. 
Technical Data
AF frequency response............................ 150 – 14,000 Hz
Microphone pick-up pattern ..................................cardioid
Headphone connection.......... 3.5 mm jack socket, mono
Headphone impedance.............................................. ≥ 32 Ω
Power supply..................................................... 20 – 33 V DC
Max. power consumption................................ approx. 3 W
Temperature range......................................... +5 to + 50 °C
Dimensions........................... approx. 192 x 470 x 174 mm
Weight .............................................................. approx. 600 g 
Recommended Accessories 
  HD 410-D open headphones   Cat. No. 002146
  HD 1029 open headphones  Cat. No. 003985
Product Variants
  SDC 3000 D: Delegate unit   Cat. No. 004866
  SDC 3000 DC: Delegate unit with switchable 
interpretation channel  Cat. No. 004867

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