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Average Price: $1,800

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$499

$1500+

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Description

Introducing the RCA 77-DX, a true icon in the world of musical instruments. Rich in history and renowned for its unique tone, this ribbon microphone has been the secret behind some of the most influential voices in music, from Elvis Presley to Frank Sinatra. Its switchable directionality feature and inviting tone are the signature characteristics that set the RCA 77-DX apart. This is not merely a microphone, but a time-honored piece of music history that continues to hold its value and charm.

Key Features:

  • Ribbon microphone category
  • Known for its unique tone and character
  • Switchable directionality feature
  • Recognized as a classic in the music recording industry
  • Used by iconic musicians such as Elvis Presley and Frank Sinatra
  • Continues to hold its value over time

Product specs

Brand RCA
Model 77-DX Ribbon Microphone
Finish Silver / Red Badge, Umber Gray
Year 1960s
Made In United States
Categories Microphones
Microphone Type Ribbon
Wired/Wireless Wired

FAQs

What is the primary application of the RCA 77-DX ribbon microphone?

The RCA 77-DX is widely used for recording vocals and brass instruments, known for its rich lows and silky smooth mids and highs, making it a staple in professional studios.

How does the RCA 77-DX differ from other ribbon microphones?

The RCA 77-DX features an improved magnet and transformer, offering higher output compared to earlier models, and includes a switch for attenuating low frequencies, enhancing its versatility in different recording scenarios.

Can the RCA 77-DX be used for live performances?

While the RCA 77-DX is primarily designed for studio use due to its delicate ribbon construction, it can be used in controlled live environments where its vintage sound character is desired.

What is the polar pattern of the RCA 77-DX microphone?

The RCA 77-DX features a variable polar pattern, allowing the user to switch between cardioid, bidirectional, and omnidirectional settings for versatile recording applications.

How would you describe the sound signature of the RCA 77-DX?

The RCA 77-DX is renowned for its warm, smooth sound, with a natural low-end response and detailed midrange, making it ideal for capturing vintage tones in vocal and instrumental recordings.

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gearwire

RCA 77DX Ribbon Microphone And Its Adjustably Saggy Warmth

Video thumbnail for RCA 77DX Ribbon Microphone And Its Adjustably Saggy Warmth by gearwire

RCA 77DX Ribbon Microphone And Its Adjustably Saggy Warmth

gearwire

gearwire

Video thumbnail for RCA Ribbon Microphone Shootout - RCA 44-BX, RCA 77-DX, RCA 74-B by Cole Picks Vintage

RCA Ribbon Microphone Shootout - RCA 44-BX, RCA 77-DX, RCA 74-B

Cole Picks Vintage

Cole Picks Vintage

Video thumbnail for An Alternative to the RCA 77-DX Ribbon Microphone? by Cole Picks Vintage

An Alternative to the RCA 77-DX Ribbon Microphone?

Cole Picks Vintage

Cole Picks Vintage

Video thumbnail for Exploring my legendary RCA Type 77-DX Ribbon Microphone by Geek Therapy Radio Podcast

Exploring my legendary RCA Type 77-DX Ribbon Microphone

Geek Therapy Radio Podcast

Geek Therapy Radio Podcast

Video thumbnail for The RCA Varacoustic Vs. RCA 77-DX by Cole Picks Vintage

The RCA Varacoustic Vs. RCA 77-DX

Cole Picks Vintage

Cole Picks Vintage

Video thumbnail for RCA 77DX Microphone Test And Check For Ebay Sale by Vintage Audio Workshop

RCA 77DX Microphone Test And Check For Ebay Sale

Vintage Audio Workshop

Vintage Audio Workshop

Reviews

PROS

  • Natural, "live in your face" sound quality

  • Versatile across a variety of instruments and genres

  • Durable design, all parts can be repaired

  • Aesthetically pleasing, considered the most beautiful mic by some

  • Retains or increases in value over time

  • Tames harsh cymbal sounds effectively

  • Ideal for both baritone and tenor voices

CONS

  • Requires a high-gain preamp for optimal use

  • Performance may degrade without regular service

  • Some built-in interface preamps may introduce noise at high gain levels

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCA 77-DX.

Features and functionality

  • RCA 77-DX and U87i are both multi-pattern mics costing around $2k, suitable for various recording scenarios.

    Source

Value and pricing

  • The price gap between high-end and budget ribbon mics is smaller than that for condensers, influencing studio choices.

    Source

Use cases and applications

  • Ribbon mics excel in specialized applications; for example, Beyer M160 is praised for drum rooms and guitar cabs.

    Source

Setup and maintenance

  • Ribbon mics require preamps with significant gain; cheaper interfaces may cause noise issues due to insufficient gain.

    Source
  • Cigarette pack foil was historically used for on-the-spot ribbon replacements during broadcasts when original ribbons tore.

    Source
  • Ribbon tensioning should eliminate sag without removing corrugation, ensuring the ribbon remains centered and doesn't touch the magnets.

    Source
  • Avoid connecting or disconnecting ribbon mics with phantom power on to prevent damage; ensure cables are undamaged to prevent costly errors.

    Source

Build quality

  • Transformer quality and foil thickness are critical in ribbon mics; thicker foil can sound muddy, while thinner foil is harder to manage.

    Source

Mods and upgrades

  • Removing wind screens from ribbon mic housing can improve sound quality; upgrading the transformer is often beneficial for better performance.

    Source

User experience

  • Ribbons can tear easily from physical impact or strong air pressure; a 20-year-old ribbon might produce static if torn.

    Source

5.0 out of 5

Based on 0 Reviews and 3 Ratings

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Artist usage

Add artist
See how Ethan Johns uses RCA 77-DX

Ethan Johns

Guitarist, Bassist

...
Verified via Soundonsound

The performances on Spirit In The Room were captured entirely live, involving a small team of Jones, Johns and keyboard player Richard Causon, the singer performing into a gold RCA 77DX ribbon microphone.

See how Billy Higgins uses RCA 77-DX

Billy Higgins

Drummer

...
Verified via Soundonsound

Used for Higgins' hi-hat and snare on Ornette Coleman's The Shape of Jazz to Come and Change of the Century, as recounted by sound engineer "Bones" Howe in this February 2004 Sound on Sound interview (the DX is specified later in the article when Tom Waits is discussed).

"I set them up in a square, one in each corner of an imaginary room in the studio, close together, all facing the centre of the square. I had set up the microphones before they got there: I had an RCA 77 on Ornette's alto sax — the white plastic one he was notorious for playing — and a 77 on Don Cherry's pocket trumpet, a Telefunken U47 on Charlie's bass, and the drums were miked with a U47 as an overhead and a 77 over the hat and snare. We were recording live to mono and two-track at the same time. I liked this setup so much that I made sure I wrote it down, and I still have that setup sheet to this day. I would use it to record a lot of albums."

See how Martín Perna uses RCA 77-DX

Martín Perna

Composer

Ocote Soul Sounds

...
Verified via Dubspot Blog

Used to record the horns on Antibalas, as mentioned in this May 15, 2012 Dubspot blog post.

For recording horns, particularly baritone sax and lower brass, I use a Beyerdynamic TG88 or Sennheiser 421. I don’t own these and usually borrow them from friends, or rent them from a local gear rental place. Renting can be a great way to have access to mics that cost hundreds or thousands of dollars. Usually, gear rental places will give you daily, weekend, weekly, and monthly rates. This is a great way to try out and experiment with high end microphones before you invest in something that may not be right for you. Scour garage sales, thrift shops, and junk shops for old mics and experiment with them as well. If they don’t work out, you can resell them or trade them or save them for a rainy day. The last record I made was with Antibalas at Daptone, a tape only studio. We had all four horns recording onto what I remember was a RCA DX77, an old ribbon mic. They have an assortment of incredible vintage gear and microphones, as well as a surprising variety of Radio Shack and other lo-fi microphones used for specific applications.

See how Hoagy Carmichael uses RCA 77-DX

Hoagy Carmichael

Singer, Keyboardist

Hoagy Carmichael and His Pals

...
Verified via Photo

Visible in this photo of Carmichael.

See how Raven-Symoné uses RCA 77-DX

Raven-Symoné

Singer

The Cheetah Girls

...
Verified via YouTube

Raven is seen using the RCA 77-DX in this studio recording snippet

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use RCA 77-DX, it is most commonly used with the following gear.

Shure SM57
Shure SM57 Dynamic Microphones
6
Telefunken ELA M 251
Telefunken ELA M 251 Condenser Microphones
4
Neumann U67
Neumann U67 Condenser Microphones
4
Sennheiser MD 421-II
Sennheiser MD 421-II Dynamic Microphones
3
Beyerdynamic M88
Beyerdynamic M88 Dynamic Microphones
2
Avid Pro Tools
Avid Pro Tools DAW Software
2
Yamaha NS10 Studio Monitor
Yamaha NS10 Studio Monitor Active & Passive Monitors
2
Telefunken U47
Telefunken U47 Condenser Microphones
2
AMS Neve 1073
AMS Neve 1073 Preamps & Channel Strips
2
Universal Audio 1176LN
Universal Audio 1176LN Effects Processors
2

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