History of Microphones

Jack Brown interviews Humphrey Bogart and Lauren Bacall for broadcast to troops overseas during World War II.

BM-800 condenser Microphone professional recording microphone music create broadcast and studio microphone

In 1916, E.C. Wente of Western Electric developed the next breakthrough with the first condenser microphone. In 1923, the first practical moving coil microphone was built. “The Marconi Skykes” or “magnetophon”, developed by Captain H. J. Round, was the standard for BBC studios in London. This was improved in 1930 by Alan Blumlein and Herbert Holman who released the HB1A and was the best standard of the day.

Also in 1923, the ribbon microphone was introduced, another electromagnetic type, believed to have been developed by Harry F. Olson, who essentially reverse-engineered a ribbon speaker. Over the years these microphones were developed by several companies, most notably RCA that made large advancements in pattern control, to give the microphone directionality. With television and film technology booming there was demand for high fidelity microphones and greater directionality. Electro-Voice responded with their Academy Award-winning shotgun microphone in 1963.

During the second half of 20th century development advanced quickly with the Shure Brothers bringing out the SM58 and SM57. The latest research developments include the use of fibre optics, lasers and interferometer.

ISK BM-800 is a professional condenser microphone, which utilizes a 34mm diameter gold plated diaphragm capsule.
The microphone consisting of a good cardioids polar pickup pattern, high output and, low self-noise, and the accurate reproduction of even the most subtle sound makes the BM-800 ideal for studios, recording studios, broadcasting stations, stage performances and for home. It will absolutely fulfill the requirement for high quality broadcasting and recording.
Styled in a grey metallic body and a capsule grille, the iSK BM-800 Applications range from vocals to pianos and acoustic instruments in the recording studio and broadcast vocals.

Specifications:

Application :recording special
Radio head :capacitance
Pointing:characteristics of single point
The sensitivity :34dB + 2dB
Frequency range:Hz-kHz
Channel stereo
The signal to noise ratio: 78dB
Maximum sound pressure:132dB
Body Dimension: 46x150mm
Net Weight: 346g

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