TAIDEN HCS-4857C/82 Chairman Unit

Part of the HCS-4800 Series New Premium Digital Congress System

Features

Stylish and ergonomic design
Light aluminum alloy material with good heat dissipation
Microphone stem can be lifted or lowered independently for perfect storage
Based on TAIDEN MCA-STREAM 2.0 (Multi_Channel_Audio STREAM) digital processing and transmitting technologies
Full digital audio technology, built-in high performance CPU, faster processing speed, better sound quality
Supporting 48 kHz audio sampling rate
Supporting "PnP" (plug and play)

Product Description

The TAIDEN HCS-4857C Chairman Unit is designed to meet the basic demands of conferences, providing essential facilities for speaking. It offers excellent immunity to RF interference from mobile phones. A key feature is the microphone priority button. When pressed, this button temporarily or permanently mutes all currently active delegate microphones, allowing the chairman to take control of the meeting.

The unit supports various speaking modes including Open, Override, Voice, Request, and PTT. It also includes features like automatic video tracking when integrated with cameras and video switchers, and priority controls for managing delegate requests.

Controls and Indicators

Hypercardioid uni-directional electret condenser microphone with bi-color illuminated ring
Microphone On/Off button with indicator
Priority button with indicator

Functions

Compliant to ISO 22259
"Closed Loop - Daisy Chain" connection topology for high operational system reliability. Cable connection failures do not affect other units.
Based on TAIDEN MCA-STREAM 2.0 digital audio processing and transmitting technology.
Proprietary MCA-STREAM 2.0 technology transmits fully digital audio between congress units and the main unit(s).
Adjustable gain and EQ (5 band) for each microphone to optimize speech pickup.
Integrated high-pass filter (low-cut switch) to reduce low-frequency audio elements.
Automatic recovery facility, supporting "PnP" (plug and play).

Interconnections

One DC slot for connecting to a +12V power adapter.
Two RJ45 sockets for daisy chain connection (requires network cable with ESD drain wire and RJ45 plug with metal shell).
RS485 interface for connecting to the central control system.

Technical Specifications

Electrical

Power supply: 12V, 3A
Microphone Transducer: Ø16mm gold-plated electret-condenser
Polar pattern: Hypercardioid uni-directional
Sensitivity: -37dB (0dB=1 V/Pa)
Frequency response: 20 Hz to 20 kHz
Directivity 0°/180°: ≥ 28 dB (@1 kHz), >28 dB (@2 kHz), ≥26 dB (@4 kHz)
Equivalent noise: 20 dBA
Maximum sound pressure level: 132dB@1kHz, THD≤0.5%

Mechanical

Mounting: Flush-mounting
Dimensions (h x w x d): 695×58 × 175mm
Microphone length: 41cm
Weight: 3.1kg
Color: Black (PANTONE 419 C)

Ordering Information

HCS-4857C/82: Fully Digital Congress System Chairman Unit (flush-mounting, discussion, retractable microphone, Ø16mm gold-plated large-diaphragm high performance electret condenser microphone, microphone and adapter are included, black)

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