TAIDEN HCS-4891RC/80/2M Chairman Unit

Features

• Elegant and ergonomic design
• Exquisite and delicate tabletop design for ease of use and transport
• Cable coming out of the base for tidier wiring
• Priority button
• Rectangular columnar microphone with adjustable pitching angle (-35° to +50°)
• Built-in isolated main and backup microphones
• Sleek 4.3" touch screen for displaying meeting proceedings
• Supports custom boot screen and background picture
• "Closed Loop - Daisy Chain" connection topology
• Supports 48 kHz audio sampling rate
• Water resistant and noise-free buttons with long service life
• Excellent immunity to RF interference from mobile phones
• Separate adjustment of gain and EQ (5 band) for each microphone
• Supports "PnP" (plug and play)

The stylish and ergonomically designed chairman unit facilitates conference chairing. It offers excellent immunity to RF interference from mobile phones. Similar in appearance to the HCS-4891RD/80/2M Delegate Unit, the HCS-4891RC/80/2M Chairman Unit includes a microphone priority button. Pressing this button temporarily or permanently switches off all currently active delegate microphones, allowing the chairman to take control of the meeting. A 4.3" touch screen can display the speaking list, operation menu, etc.

Functions

• Compliant to ISO 22259
• "Closed Loop - Daisy Chain" connection topology for high operational system reliability; breakdown or replacement of a congress unit and cable connection failure will not influence other congress units
• Based on TAIDEN MCA-STREAM 2.0 digital audio processing and transmitting technologies
• Proprietary MCA-STREAM 2.0 technology transmits fully digital audio between congress units and between units and main unit(s)

System Capabilities

• Audio signals processed by high-performance DSP for CD-quality sound
• Hypercardioid uni-directional electret condenser microphone with bi-color illuminated ring
• Adjustable pitching angle for the rectangular columnar microphone
• Built-in main and backup microphones with hypercardioid polar patterns for uninterrupted meeting flow
• Adjustable gain and EQ (5 band) for each microphone for optimal speech pickup
• Supports 48 kHz audio sampling rate
• Integrated high-pass filter (low-cut switch) to reduce low-frequency audio elements
• Automatic system recovery and "PnP" (plug and play)
• Excellent immunity to RF interference from mobile phones and similar devices
• Microphone On/Off button
• Hand up button (discussion mode)
• Manual or default ID assignment for each conference unit for convenient maintenance
• Independent operation facilities:
  • Set the number of simultaneous speakers
  • Speak modes: Open, Override, Voice, Request, PTT
  • "Open" mode: Microphone On/Off button with request-to-speak registration (AUTO)
  • "Override" mode: Microphone On/Off button overrides active microphones (FIFO)
  • "Voice" mode: Acoustic active sensitivity and automatic switch-off, with "flash-on" technology for immediate microphone activation
  • "Request" mode: Delegate requests to speak via the microphone On/Off button and speaks when approved by the operator or chairman
  • "PTT" mode: Press microphone On/Off button to talk
• Automatic video tracking implementation when cooperating with cameras & video switcher units; preset positions on PC
• Priority button to switch off or mute delegate units (except VIP units) according to preset
• Approves/denies delegates' speaking requests
• System supports up to 100 chairman units, with configurable control facilities via software or main unit

Controls and Indicators

• 4.3" touch screen for displaying:
  • Speaking list, timing information, delegate information
  • Screen brightness, system language, and unit information
• Hypercardioid uni-directional electret condenser microphone with bi-color illuminated ring
• Headphones volume control
• Microphone On/Off button with indicator priority button

Interconnections

• 2 x Ø 3.5 mm stereo headphone jacks
• 1.5 m cable with 8P-DIN plug
• 0.6 m cable with 8P-DIN socket

Ordering Information

HCS-4891RC_S/80/2M: Fully Digital Congress System Chairman Unit (tabletop, discussion, 4.3" touch screen, rectangular columnar metal microphone Ø14mm gold-plated large-diaphragm high-performance electret condenser microphone, main microphone + backup microphone, champagne microphone + black base)

Technical Specifications

Electrical

• Max. consumption: 2.7 W

LCD

• Dimension: 4.3"
• Resolution: 800×480
• Contrast: 800:1

Headphone connection

• Frequency response: 20 Hz to 20 kHz
• Earphone load impedance: ≥16 Ohm
• Earphone output: 10 mW

Main microphone type

• Transducer: Ø14mm gold-plated electret-condenser
• Polar pattern: Hypercardioid uni-directional
• Sensitivity: -37dB (0dB=1 V/Pa)
• Frequency response: 20 Hz to 20 kHz
• Directivity 0°/135°: ≥20 dB (@1 kHz)
• Directivity 0°/180°: ≥15 dB (@1 kHz)
• Equivalent noise: 20 dBA
• SNR: 74 dBA
• Maximum sound pressure level: 139 dB@1kHz, THD<3%

Backup microphone type

• Transducer: Ø14mm gold-plated electret-condenser
• Polar pattern: Hypercardioid uni-directional
• Phantom power: 11~52 VDC, 2 mA
• Sensitivity: -37dB (0dB=1 V/Pa)
• Frequency response: 20 Hz to 20 kHz
• Output impedance: 280 Ohm
• Directivity 0°/135°: ≥20 dB (@1 kHz)
• Directivity 0°/180°: ≥15 dB (@1 kHz)
• Equivalent noise: 20 dBA
• SNR: 74 dBA
• Maximum sound pressure level: 139 dB@1kHz, THD<3%

Connection

• Interface data: XLRM-type connector
• Connector: 2×Ø 3.5 mm stereo jacks for headphones

Mechanical

• Mounting: Tabletop
• Dimensions (h×w×d): 68 x 99 x 145 mm (base); 37 x 37 x 249 mm (microphone)
• Weight (incl. microphone): 1.5 kg
• Color: Champagne (PANTONE 401 C) microphone + Black (PANTONE 419 C) base