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LD Systems U506 CS 4
4-Channel Wireless Conference System
- True diversity UHF wireless conference system
- Automatic channel scan
- Automatic frequency search
- Infrared frequency synchronizing of receiver and microphone unit
- Pilot tone
- Priority switching
- Automatic and manual gate modes
- Security lock
- RS-232 interface for external control
We have developed the U500® in Germany to meet all of your requirements of a wireless conference system. It offers a professionally equipped solution for effective communication and interaction with advanced technology, excellent speech intelligibility and an elegant appearance. The user-friendly True Diversity UHF system with 60 channels in 6 groups facilitates easier installations and turns conferences, meetings and round tables into successful events.
The U500® terminals feature a gooseneck condenser microphone with hyper-cardioid characteristic and a light ring to display status. The heavy table stand features an XLR microphone input, 28 V phantom power, an on-off-mute switch, as well as a gain control and a selectable 130 Hz high-pass filter to effectively reduce proximity effect and structure-borne sound. A high-contrast OLED display shows radio frequency, battery status, terminal number, group and channel. The audio transmission range is 60 Hz - 16 kHz.
For simple, fast configuration, the 4-channel U500® conference system receiver features automatic frequency and channel scanning, infrared synchronisation, a digital encoder and 4 buttons to directly access the individual channels. The high-contrast OLED display provides a comprehensive overview of all functions and settings such as audio and radio signal strength, and priority and battery status of the terminals. The number of simultaneously-live microphones can be configured in order to eliminate crosstalk, feedback and comb filter effects. Selectable automatic or manual gate settings and a pilot tone ensure that the U500® conference system delivers superb sound quality with excellent noise immunity. In addition to its individual channel outputs, the receiver also has a master output, an access lock to prevent unauthorised adjustment of settings, and the RS-232 interface to facilitate integration into external control systems.
For system expansion, up to five U500® receivers can be cascaded and used in master-slave mode, making a maximum of 20 terminals possible. The U500® conference system is available in three versions which work in the following frequency areas: 554 - 586 MHz, 662 - 694 MHz or 823 - 832 MHz + 863 - 865 MHz
Product type
Conference Systems
Transmission frequency range
662 - 694 MHz
Frequency response
60 - 16000 Hz
Signal-to-noise ratio
> 100 dB
Controls
digital encoder , Power On/Off , RX 1 - 4 quick access buttons
Audio output, balanced
4 x XLR
Audio mix output, balanced
XLR
Max. output level
+12 dBu
Operating voltage
1,000 mA , 12 V DC
LDU506CST - LD Systems U506 CST Sprechstellensockel für Konferenzsystem 662 - 694 MHz
Product type
Microphone Accessories
Rated HF output power
10 mW
Operating voltage
2 x AA battery
Operating time
up to 8 hrs., battery-dependent
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- Quick setup and takedown even of large systems
- No operator training required
- Superior audio quality
- Voice activation or manual PTT control
- Ease of use, high reliability
The CS 2 is the ideal solution for venues where no sound engineer is available permanently such as meeting rooms, town halls, etc. The central Base Unit controls microphone channels and a priority button allows one or more chairpersons to call the meeting to order. Two types of Microphone Units are available, the Chair Unit with a priority button (any number of Chair Units can be used in a system) and the Delegate Unit. Providing two loudspeakers, two headphone outputs, and a "Voice Zoom” function, each version can be used by two persons.
For permanent flush mounting e.g. in a tabletop an optional mounting frame CS 5 MF is available.
The CS 2 uses AKG's famous Modular Series capsules that connect to the Microphone Units via a GN 30 CS (approx. 12 in./30 cm) or GN 50 CS (approx. 20 in./50 cm) gooseneck. A rugged, threaded TRS mini jack with gold plated contacts ensures a firm, wobble-free mechanical joint and excellent electrical contact. Five different ready-to-use cables in standard lengths between 4 ft. (1.25 m) and 66 ft. (20 m) are available for connecting the individual Microphone Units together. This does not only save time but increases the reliability of the system. A range of optional accessories will solve any installation problem. With its wide variety of options, the CS 2 is more flexible than many "fully digital” systems. Plus, the AKG brand name stands for excellent sound and high reliability.
Bottom panel dip switches and pots on each Microphone Unit allow many functions to be adjusted individually.
- Voice Activation threshold
- Voice Activation hold time
- Microphone automute after user stops talking
- Enable/disable NOM limitation
- Voice Activation ON/OFF
- Priority level
- “Voice Zoom” ON/OFF
- Loudspeaker/headphones level reset or last setting
- Adjustable compression
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Rugged infrared receiver for up to seven selectable channels, for use with headphones, e.g., AKG K 77. Operates for more than 12 hours per battery charge.
The CS 5 IRR7 shall reproduce the floor channel and 6 translated languages. It shall have a 3,5mm stereo jack to connect any stereo headphone, a volume potentiometer and an easy selector switch. It shall have a built in NiMh rechargeable battery to supply the unit for up to 13 hours operation time. The unit shall switch off automatically when loosing the signal to save power. It shall be rechargeable with charging contacts on the housing.
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- Base Station for up to 200 Microphone Stations
- Intuitive controls
- Superior audio quality
- Voice activation and NOM limitation
- Standard ins and outs for external equipment
The CS 2 Base Station controls up to 200 Microphone Stations and provides automatic NOM (Number of Open Microphones) attenuation. System gain will decrease by approx. 3 dB every time the number of open microphone doubles. The result is a substantially lower risk of feedback even if the number of open microphones varies constantly.
A selectable Voice Activation function turns the microphones on automatically as soon as they are talked into.
The NOM Limitation function allows the number of simultaneously open microphones to be limited to one, two, three, four, or five. This function can be locally disabled on each Microphone Station so a specific microphone, e.g., one mounted on a lectern, will come on every time, no matter how many mics may be open already. |
Infrared radiators providing wireless transmission of up to seven language channels for persons (e.g., observers) listing to a conference without asking for the floor.
The infrared radiators shall connected to the CS 5 BU through 2 BNC connectors and 50 Ohm coaxial cabling and serial concatenation. It shall transmit a PPM system modulated time-multiplex outputs of the central unit shall drive an arbitrary number of radiators. The CS 5 IRT1 shall have a radiation angle of +/- 22° and a working distance of 300 meters (with 50% down). The CS 5 IRT2 shall have a radiation angle of +/- 22° and a working distance of 500 meters (with 50% down).
As accessories of the infrared radiators the holding frame needed for mounting it to the side wall or the ceiling shall be included. The transmitter shall have a built in switchable power supply with IEC connector.
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Infrared radiators providing wireless transmission of up to seven language channels for persons (e.g., observers) listing to a conference without asking for the floor.
The infrared radiators shall connected to the CS 5 BU through 2 BNC connectors and 50 Ohm coaxial cabling and serial concatenation. It shall transmit a PPM system modulated time-multiplex outputs of the central unit shall drive an arbitrary number of radiators. The CS 5 IRT1 shall have a radiation angle of +/- 22° and a working distance of 300 meters (with 50% down). The CS 5 IRT2 shall have a radiation angle of +/- 22° and a working distance of 500 meters (with 50% down).
As accessories of the infrared radiators the holding frame needed for mounting it to the side wall or the ceiling shall be included. The transmitter shall have a built in switchable power supply with IEC connector.
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User’s manual
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