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Conference Microphones Tech Showcase

Oct 31, 2011 1:00 PM, by Bennett Liles


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Bosch Communications CCS 900 Ultro discussion system

Bosch Communications CCS 900 Ultro discussion system

The CCS 900 Ultro discussion system from Bosch Communications can handle conferences with up to 50 microphone stations, one or more of which can be chairman units. The control unit supplies power to the mic stations, coordinates microphone unit operation, provides audio inputs and outputs to the system, and includes an MP3 recorder to record discussions and play them back to the delegates. The recording is done on a removable SD card and when the card is almost full, the CCS-CU control unit provides an audible beep and flashing LED to indicate it is card change time. Each delegate unit includes a microphone and integral speaker and the wiring loops through these stations from the control unit. Each chairman unit additionally has a priority button, a possible-to-speak indication, and programmable chime tone activation.

CAD Audio/Astatic 2800VP

CAD Audio/Astatic 2800VP

The 2800VP from CAD Audio/Astatic is the podium version of the continuously variable pattern condenser microphone system using remote polar control through a digital signal platform. This capability eliminates the need for changing microphone capsules. A dual conductor shielded cable is connected between the microphone and the DSP unit to enable the remote pattern control, which is done through a PC application connected to the DSP unit via Ethernet. Included is the MB-18, an 18in. matte black flexible gooseneck mic with TA3F and XLRM-type audio connectors along with a 24in. XLRF-to-Phoenix cable. The VP systems have been engineered to resist interference from cell phones, two-way radio devices, and lighting controllers. The mic has a frequency response of 40Hz to 20kHz with a sensitivity figure of -29dBV.

Clockaudio C31E-RF Halo

Clockaudio C31E-RF Halo

Clockaudio designed the C31E-RF Halo microphones in a choice of shaft lengths for conference systems, broadcast, house of worship, and paging system applications. This line of microphones shares immunity to RF artifacts, an LED ring to indicate the microphone is on in conferencing, and a flexible gooseneck shaft. The condenser microphone provides a cardioid pattern and operates on 9V-48V phantom power. Current draw is 30mA, and the mic is rated for 125dB SPL. The microphone comes with a 5-pin XLR connector as standard, but it is also available with a 3-pin XLR. The normal finish is satin black, but other colors are available.

Electro-Voice PolarChoice Satellite

Electro-Voice PolarChoice Satellite

The PolarChoice Satellite free-standing, multi-pattern microphone from Electro-Voice can fit Telex and Electro-Voice bodypack transmitters inside its base to make it a wireless desk conferencing mic. The base includes a mute switch that can be programmed for latching on/off or momentary push-to-mute. A blue LED on the top of the base is an indicator for the active mic status. Four selectable polar patterns suit any acoustic environment, and the gooseneck is available in 5in., 12in., or 18in. length. The polar pattern and mute operation switches are located on the bottom of the mic base along with a switchable high-pass filter to reduce noise from mechanical vibration.

JTS Professional ST-850

JTS Professional ST-850

For dealing with any last-minute changes in the wired or wireless plan, JTS Professional offers the ST-850 microphone, which can work in either mode. Compatible with transmitters such as the PT-900B, PT-850B, PT-920B (G), PT-950B, and PT-990B, the mic can also connect to a wired system directly on the base through a 3-pin XLR. The mute switch on the base works in either wired or wireless mode, and the gooseneck is slightly more than 1ft. long with a flexible bottom half. The back electret condenser mic provides a hypercardioid pattern with a frequency response from 50Hz to 18kHz.

Milab VM-44

Milab VM-44

The VM-44 gooseneck condenser microphone from Milab has an integral cable over 9ft. long with a preamp built into the XLR connector assembly. It provides a cardioid pattern with interchangeable omnidirectional and supercardioid capsules along with a switchable -12dB pre-attenuation feature. The microphone operates on 12V-52V phantom power and has a 20Hz-20kHz frequency response with a maximum SPL of 148dB. The flexible gooseneck is 4.7in. long. The unit comes in a black finish. Accessories include windscreen, base, and separate phantom power supply.

Peavey PM 18S

Peavey PM 18S

For permanent mounting scenarios, Peavey offers the PM 18S condenser gooseneck with dual flex tubing in either a black or white finish. The microphone has a cardioid pickup pattern for best gain before feedback and includes a collet-type mounting flange with mechanical isolation system. It also has an LED power indicator and operates on a 9V-52V phantom power source.





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