Microphones

 

 

RCA 77-A

RCA 77-A

This is the RCA Type 77-A, forerunner of the 77-DX. Grand-daddy of the ribbon microphone, the 77-A is among the rarest of the RCA ribbon mics. Designed by Dr. Harry F. Olson, RCA’s lifelong resident audio genius during the late...

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RCA 77-B

RCA 77-B

This microphone’s elegant and dramatic black-and-chrome art deco design was the first of the iconic pill-shaped designs that followed the artillery-shell-shaped monster that was the original Type 77-A. The Type 77-B and its descendants (the 77-B1, 77-C, 77-C1, 77-D and...

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RCA 77-B1

RCA 77-B1

The Type 77-B1 Unidirectional Microphone can be used to excellent advantage in practically any type of studio installation. For example, in an auditorium this Unidirectional microphone call be used to pick up the entire action on the stage because of...

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RCA 77-C

RCA 77-C

DescriptionThe All-Purpose Microphone consists of two ribbon type microphones operating in a common air gap. One of the units is responsive to the pressure gradient of the sound wave and is commonly called a velocity microphone. The other unit responds...

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RCA 77-C1

RCA 77-C1

The Type 77-C1 microphone, which is slightly more expensive than the Type 77-B1, provides the station owner with the equivalent of three microphones in a single unit. The general construction is similar to that of the 77-B1. It can be...

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RCA 77-D

RCA 77-D

DescriptionThe RCA Type 77-D Polydirectional Microphone is a high-fidelity microphone of the ribbon type. It is possible, as indicated by the name, to obtain easily a variety of directional patterns.Instead of being open on both sides as in the conventional...

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RCA 77-DX

RCA 77-DX

DescriptionThe RCA Type 77-DX Poly-directional Microphones MI-4045-F and MI-11006-C are high-fidelity micro­phones of the ribbon type which may easily be adjusted to obtain a variety of directional patterns. Since the MI-4045-F micro­phone is primarily intended for broadcast use, it is...

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RCA 88-A

RCA 88-A

DescriptionThe Type 88-A Microphone is of the pressure-actuated type. The moving system consists of a thin molded diaphragm to which an annular coil assembly is attached. Coupled to the diaphragm is an acoustic circuit so proportioned that the diaphragm velocity...

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RCA BK-10A

RCA BK-10A

The RCA Type BK-10A Ultradirectional Microphone (MI-11018) is designed to provide quality audio pickup under adverse conditions during television broadcast, radio broadcast, recording and public address. This is accomplished by a highly sensitive second order gradient directional characteristic which may...

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RCA BK-11A

RCA BK-11A

DescriptionThe RCA Type BK-11A Velocity micro­phone, as shown above, is a dependable, bi-directional micro­phone, specially designed for AM, FM, and TV studio use where a micro­phone of highest quality reproduction is desired. The BK-11A is constructed to withstand mechanical shocks...

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RCA BK-12A

RCA BK-12A

“A tidbit: When my dad invented the Type BK-12, it was the first-ever moving coil dynamic mic to have enough windings on the coil to allow elimination of a transformer in the mic, hence the tiny size and light weight....

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RCA BK-1A

RCA BK-1A

DescriptionThe Type BK-1A pressure Microphone is a high-fidelity instrument of the pressure-actuated type, especially designed for announcing and remote pickup. Its smooth response and frequency range (60 to 10,000 cycles) make it suitable for reproducing both music and speech. It...

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RCA BK-4A Starmaker

RCA BK-4A Starmaker

DescriptionThe Type BK-4A Starmaker Microphone is a high fidelity ribbon type pressure microphone especially designed for television work. Its small size and slender construction afford easy concealment or an unobstructed view of its user in close work. Its high sensitivity...

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RCA BK-5A and BK-5B

RCA BK-5A and BK-5B

DescriptionThe RCA Type BK-5A Uniaxial Microphone is a dependable, high- quality ribbon instrument possessing an improved unidirectional characteristic, and is designed for broadcast use in AM, FM, and TV stations. The microphone has a frequency response that is essentially uniform...

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RCA BK-6B

RCA BK-6B

DescriptionThe BK-6B dynamic pressure microphone is a high-quality instrument of the pressure-actuated type. It is especially designed for correct speech balance when used informally in television broadcasting and public address applications.The human voice has pronounced directional characteristics. The high-pitched nasal...

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RCA KB-2A, B, and C

RCA KB-2A, B, and C

DescriptionThe “Bantam” Velocity Microphones, Types KB-2A, KB-2B, and KB-2C are miniature Velocity Microphones whose principle of operation is no different from that of the 44-BX. The small size (without sacrifice in output level) is obtained through the use of highly...

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RCA KU-2A

RCA KU-2A

DescriptionThe MI-3043-B (and -C) Uni-Directional micro­phone consists of two ribbon type micro­phone units suspended in a common air gap. One of the units is open to sound waves both in front and back and operates on the pressure gradient principle....

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RCA KU-3A

RCA KU-3A

DescriptionThe Type KU-3A Unidirectional Microphones were designed to meet the exacting require­ments for sound-film recording at motion-picture studios. These microphones provide uniform and smooth reproduction over a wide audio range (suitable for dialog and music), and have the unidirectional pattern...

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