Sennheiser offers wireless systems at 1800MHz
In response to the decision to close UHF frequencies from 790 to 862MHz for wireless microphones in Europe, Sennheiser has launched nine wireless microphone systems that transmit on 1,800MHz. The systems of the evolution wireless ew 100 G3‑1G8 series are moving to the higher frequency band.
‘With our new 1,800MHz systems, we are relieving the burden on the UHF range and also presenting extremely user-friendly solutions,’ explained Martin Fischer, product manager professional wireless microphones at Sennheiser. ‘The frequency band from 1,785MHz to 1,800MHz is reserved exclusively for audio transmission, which means that users no longer have to plan their systems around primary users or painstakingly search for gaps between TV channels.’
The ew 100 G3-1G8 series enables up to 12 channels to be operated simultaneously. Twelve compatible frequency presets are stored in each of the 20 channel banks, with the addition of a further user bank that is freely programmable in 10kHz steps. The new systems have an RF transmission power of 10mW; their range corresponds approximately to that of UHF systems with the same RF transmission power.
The transmitters can be synchronised with the receivers via an infrared interface, and the systems have an integrated equaliser and a soundcheck mode that continuously checks the RF and audio levels. Both the bodypack transmitter and the handheld transmitter can be powered by Sennheiser accupacks instead of standard batteries; the battery’s state of charge is reliably displayed in four steps.
Another new mic from the manufacturer comes from its 'Concept Tahoe' project. Effects such as reverberation, ech, harmony, looping and distortion can be controlled directly via controls on the weireless vocal microphone, which has been developed in its research laboratory in Palo Alto, California
User controls for carrying out various vocal effects are integrated in the wireless microphone as buttons and sliders. The Concept Tahoe microphone transmits the control data to a receiver, which can control any number of effects units and plug-ins in real time via Midi signals.
A special extra feature allows the microphone to be transformed into a tambourine or a shaker at the press of a button; using an accelerometer and a rotation sensor, it measures how quickly it is moving and at what angle in space it is currently located.
‘Many people who love music work at Sennheiser’s research laboratories around the world,’ commented Achim Gleissner, manager for innovative strategies at Sennheiser. ‘The idea to give singers the option of controlling effects directly from the microphone was first floated some time ago. Now we have patented it and are using the Tahoe concept in order to test market acceptance and allow the integration of further improvements.’
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