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slightly larger model
Microphone was introduced in 1939 and was Shure's first single-element
unidirectional microphone. The classic "small Unidyne" version (model
55S) was introduced in 1951 with excellent performance qualities and distinctive
styling ultimately make it “the most recognized microphone in the world.”
The 55 microphone has a cardioid (unidirectional) polar pickup pattern that minimizes sound pickup from the rear of the microphone. This allows the Model 55 to be used in close proximity to loudspeakers without creating feedback problems, and it can perform under adverse acoustic conditions where omnidirectional microphones cannot.
The 55 series has a three position output impedance switch (30-50 Ohm / 150-250 Ohm / High) and balanced output designed for low interference. The microphone features a sprung cartridge shock mount to reduce stand noise and an attached, self-tensioning, 5/8"-27 thread swivel mount. This mic does not have an On/Off slide switch.
This microphone is ideal for public address or theatre-stage sound systems, as well as for broadcasting, recording, and other sound applications where a stand-mounted microphone with a classic look is desirable.
Other versions of the 55 series include:
Source: "Unidyne Story" Shure,1996
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