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] .

Used on countless important recordings by the likes of Elvis Presley, Frank Sinatra, Johnny Cash, and a wealth of others, the RCA 77's unique switchable directionality and inviting tone have cemented its place in history as one of the classics and continues to rise in value.

Oct 26, 2020 · This session we will take a look at the RCA 77 series of ribbon mics starting with the very first model, the 77A. 77A on the right compared to the last in the series, the 77D and DX models. Dr. Harry Olson was RCA Labs expert audio designer.

Vintage RCA 77-DX, 77 DX, Ribbon Microphone. Mint. Just Restored. US Seller! View similar gear from other sellers on Reverb. Watch this gear and we'll notify you if it becomes available again. RCA 77 D Silver body / brown version in very nice condition.. just fully bench tested / serviced by Cole’s vintage...

Need help finding a different option? We can help. The RCA 77-DX is a classic ribbon microphone. Great on horns, guitars, vocals. Rich lows, silky smooth mids and highs. A must have for every mic locker - from RCA, the inventors of the ribbon mic.

The RCA 77 DX is a unique multipattern passive ribbon microphone, developed by RCA in the 1950’s. It was a successor to the 77D model, which itself followed several other 77 types. The microphone employs an acoustic labyrinth, with a mechanical shutter behind the ribbon.

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Sep 24, 2015 · The RCA 77-DX microphone was originally intended for television use, which is why its finish is low-gloss umber-gray enamel – for eliminating glare. HOW IT WAS USED Began for TV and became the “go-to” for most of the early “crooners.”

AEA’s R84 vs. the RCA 77: What’s the Difference? Hint: They are really nothing alike Because both microphones have the iconic pill shape, there is often the mistaken impression that AEA modeled its R84 after the classic RCA 77 model.