Microphones / Studio ribbon microphone
R-121
In studios and on live stages around the world, the R-121 is the sound of electric guitars, and so much more.
The R-121 is Royer’s flagship microphone: the iconic, radically engineered ribbon mic that put modern ribbons on the map in the 1990s and changed the meaning of “natural sound” for engineers and musicians around the world. The undisputed #1 first-call ribbon microphone for electric guitars, R-121s are equally well suited for trumpets and all brass instruments, drum rooms, percussion, piano, and much more.

From the library
Hear the R-121
- Sonny Landreth, “Wind In Denver”Live electric guitar. The club mix, then the R-121 alone on a Dumble Overdrive Special. Engineer: Tony Daigle.
- Gordon Goodwin, “Backrow Politics”Big band. Full mix, the isolated trumpet solo on an R-121, and eight R-121s on the brass section. Engineer: Tommy Vicari.
The R-121 delivers a warm, extremely natural sound pickup in a compact, light-weight, high-output package that’s easy to position, and it handles massive SPLs famously (160dB @ 1kHz). R-121s are built to use on guitar amps from small combos to wide open high-wattage heads, trumpets from close-up muted to blow-your-hardest blaring, drums, and other high SPL applications. But its nuanced, natural sound pickup is also beautiful on quiet instruments like fingerpicked acoustic guitars, harp, flute, light percussion and others.
Patented offset ribbon technology: two mics in one
The R-121 has a patented offset-ribbon transducer that positions the ribbon element closer to the front (logo) side of the microphone. It’s an integral piece of the magic of all Royer R-series microphones. This arrangement does two things:
- The ribbon element has more room to flex rearward and remain in the prime magnetic field when being driven hard, allowing the R-121 to deliver full frequency response on high SPL recordings. This is critical to the R-121’s reputation for capturing outstanding electric guitars and brass.
- When you flip the R-121 around, the signal is actually brighter on the back side of the mic (from 30 inches and closer), giving you two different sound characteristics in one microphone. Try recording acoustic instruments and vocals on the back side of the R-121: it’s a sweeter sound pickup for softer, quieter applications. We also suggest flipping polarity on your pre or in your DAW when using the back side.
Hand crafted in the USA
Royer blends cutting-edge technology with old-school construction techniques: think super-precision fits and processes mixed with 100% hand-building care and attention to detail. Every R-121 leaves our Burbank factory ready for a lifetime of active daily use. Tens of thousands of R-121s are on stands every day around the world, in commercial studios, home studios, and on active live stages.
We build the R-121 solidly enough to give it a 10-year warranty. If it ever needs a re-ribbon, the first re-ribbon is free.
Available in matched pairs

The R-121 is available as a matched pair. Matched pairs of Royer mics are consecutively serial numbered and shipped together as a perfect match. Use a pair for stereo recording: drum rooms, acoustic piano, string sections, choirs and orchestras.

Features
- High SPL capabilities
- No internal active electronics to overload or produce distortion up to maximum SPL rating
- Extremely low residual noise
- Ribbon element is not affected by heat or humidity
- Absence of high frequency phase distortion
- Equal sensitivity from front or back of element
- Consistent frequency response regardless of distance
- Available in matched pairs
Applications
- Electric guitar amps
- Brass instruments and horn sections
- Drum rooms and kick drum
- Woodwinds
- Percussion instruments
- Acoustic piano
- Acoustic guitar
- String instruments and sections
- Choirs and orchestras
- Commercial broadcast
Technical specifications
| Acoustic operating principle | Electrodynamic pressure gradient |
|---|---|
| Polar pattern | Figure-8 |
| Generating element | 2.5-micron aluminum ribbon |
| Magnets | Rare Earth Neodymium |
| Frequency response | 30 - 15,000 Hz +/- 3dB |
| Sensitivity | -47 dBv Re. 1v/pa |
| Output impedance | 300 Ohms @ 1K (nominal) |
| Rated load impedance | >1500 Ohms @ 300 Ohms |
| Maximum SPL | >160dB @ 1kHz, >135dB @ 20Hz |
| Output connector | Male XLR 3 pin (Pin 2 Hot) |
| Dimensions | 155.7mm L, 25mm W (6.13" L, 1" W) |
| Weight | 244g (8.6 oz) |
| Finish | Dull Satin Nickel / Matte Black Chrome optional |
Polar pattern

Frequency response

Reviews
Home Recording: A Mic For All Seasons, by David Darlington
Vintage Guitar: R-121 Ribbon Microphone, by Steve Patt
Tape Op: R-121 Ribbon Microphone, by Steve Albini
Sound on Sound: Funky Ribbon, by Hugh Robjohns
Electronic Musician: Editors Choice Award, January 2000
Recording Magazine: What Went Around Has Come Around Again, by Dave Moulton
Pro Audio Review: Royer R-121 Ribbon Microphone, by Russ Long
Electronic Musician: A New Ribbon Mic Ups The Ante On A Classic Design, by Myles Boisen
Accessories and related products
- Sling-Shock shock mount
- dBooster in-line booster
- R-122 MKII active ribbon microphone