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A ribbon microphone, also known as a ribbon velocity microphone, is a type of microphone that uses a thin aluminum, duraluminum or nanofilm of electrically conductive ribbon placed between the poles of a magnet to produce a voltage by electromagnetic induction. Ribbon microphones are typically bidirectional, meaning that they pick up sounds ...
Lip-ribbon microphones use baffles to create an acoustic labyrinth within the body of the microphone. The microphone's bi-directional polar pattern controls interference; sound from the commentator reaches one side of the ribbon more than the other, whereas sounds from other sources contact both sides of the ribbon (at a difference in phase of 180°) and cancel out.
The RCA Type 77-DX microphone is a poly-directional ribbon microphone, or pressure-gradient microphone, introduced by the RCA Corporation in 1954. It was preceded by the Type 77-D introduced in 1948. [1] Its popularity and classic design has resulted in the 77-DX becoming an iconic microphone, used by broadcasters and media personalities such ...
Coles 4038. Two Coles 4038 microphones on display at the Beatles Story. The Coles 4038 is a ribbon microphone produced by Coles Electroacoustics. The microphone was designed and patented by the BBC in the 1950s [1] and was originally known as the STC 4038. [2] The sound of the microphone has been described as "British" with a "BBC politeness ...
In the early 1930s, the BBC became aware of RCA's model 44 ribbon microphone that was used in Hollywood. Each pair of microphone and amplifier would have cost the BBC £130 (approximately £6,500 in 2009. because of inflation)). As this was not within the BBC's budget, they designed their own microphone, the Type A, alongside Marconi.
Royer Labs. Royer Labs is an American microphone company known for its ribbon microphones. David Royer designed his first ribbon microphone in 1997 and started the company that bears his name one year later. The R-121 Ribbon microphone contained two innovations that delivered the performance levels necessary for professional studio use.
Ribbon microphones use a thin, usually corrugated metal ribbon suspended in a magnetic field. The ribbon is electrically connected to the microphone's output, and its vibration within the magnetic field generates the electrical signal. Ribbon microphones are similar to moving coil microphones in the sense that both produce sound by means of ...
RCA Type 77-A microphone. RCA Type 77-DX microphone. Category: Dynamic microphones.
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