Royer Labs R-122V Tube Ribbon Microphone

Royer Labs R-122V Tube Ribbon Microphone

Product code: royr122v

The Royer Labs R-122V Tube Ribbon Microphone is the worlds first vacuum tube ribbon microphone.


  • Royer Labs R-122V Tube Ribbon Microphone

    The Royer Labs R-122V Tube Ribbon Microphone is the worlds first vacuum tube ribbon microphone.

    Main Features

    • Vacuum tube electronics provide high output capability, optimal impedance to the ribbon element and low output impedance
    • Extremely low self-noise and very low magnetic leakage
    • Operates from a dedicated power supply
    • High SPL capabilities for electric guitar and percussion instruments
    • Consistent frequency response regardless of distance and an absence of high-frequency peaks, 'ringing' and phase shifts
    • Ribbon element unaffected by impedance/load, heat or humidity
    • Equal sensitivity from front or back of element, the rear side of mic records slightly brighter when three feet or closer to sound source
    Read More

    The R-122V was originally developed in 2001 as a benchmark to test our R-122 designs against. Over four years of additional development, the unique R-122V has evolved into a world class ribbon microphone with unparalleled richness, depth and detail, especially in the midrange frequencies. R-122V recorded tracks reveal a lush-ness that must be heard to be truly appreciated. The R-122V vacuum tube ribbon microphone offers the ultimate in ribbon microphone performance for those who insist on the very best.

    The R-122V takes the Royer-pioneered concept of active ribbon microphone technology to an unprecedented level by incorporating vacuum tube electronics into the same proven transducer system used in the venerable R-121 and R-122 ribbon microphones. The high operating voltage of the vacuum tube provides a headroom capability far beyond that capable from a standard phantom power supply. In real-world use, this translates into unmatched clarity, detail and airiness.

    The Electronics
    The R-122V's head amplifier consists of a low-noise, triode-connected military grade 5840 vacuum tube. Designed for a wide range of applications, the R-122V offers superb transient response and the drive capabilities only a vacuum tube head amplifier can provide. The circuit is devoid of typical vacuum tube coloration.

    The R-122V's triode-configured cathode follower circuitry enables the microphone to drive long cable runs without sonic degradation or high-frequency loss. This capability is further enhanced by the R-122V's dedicated power supply that provides ample current to the vacuum tube electronics. Induced noise is virtually eliminated by the microphone's fully balanced output that is electrically isolated with a special purpose Jensen output transformer.

    Like our phantom powered R-122, the R-122V has far more level than non-powered ribbon microphones and its impedance matching circuitry places a perfect load on the ribbon element at all times. This allows the use of a wide variety of mic preamps without concern for gain and impedance matches, two critical issues with ribbon microphones. All of the R122V's increased output comes from its large, specially designed toroidal transformer, so there is no additional noise associated with the microphone's higher output.

    Like all Royer products, the R-122V comes with a lifetime warranty to the original owner (the tube warranty is 10 years).


    Recommended Applications: Close and distant miking, Strings - solo & sections, Acoustic piano, harp, etc., Electric and acoustic guitar, Vocals, commercial broadcast, voice over, Brass, horn sections, Drum overheads, room miking, Percussion instruments, Live events-recording and sound reinforcement


    Technical specifications:

    Acoustic Operating Principle: Electrodynamic pressure gradient with vacuum tube electronics
    Vacuum Tube: JAN mil-spec 5840W pentode wired in triode configuration
    Polar Pattern: Figure-8
    Generating Element: 2.5-micron aluminium ribbon
    Magnets: Rare Earth Neodymium
    Frequency Response: 30 -15,000 Hz +/- 3dB
    Sensitivity: -36 dB (re. 1v/pa +/- 1 dB)
    Self-Noise: < 18 dB
    Output Impedance: 200 Ohms, balanced
    Rated Load Impedance: 1 K-Ohm
    Maximum SPL: >135dB SPL @ 20 Hz
    Power Requirements: Plate supply: 135 VDC @2ma, Filament supply: 6 VDC@ 150ma from dedicated power supply
    Dimensions (LxW): 206 x 25mm (8 1/8 x 1 inches)
    Weight: 300g (10.9 oz)

  • This product will be ordered in from our suppliers as required. Please contact us for availability.

    This item is normally sent to Mainland UK addresses by DPD who generally provide a one-hour window of delivery on the morning of delivery by email or text message. If you need this item faster, please upgrade to a Before 12 service at checkout.

    FREE delivery within mainland UK

    UK Non-Mainland: £ 12

    Rep. of Ireland and Mainland Europe: from £ 15 (calculated at checkout) International orders over £250 are delivered FREE except for large or heavy items. Please see our international delivery page or contact us for details.

  • Additional Information

    Brand Royer
    Condition New

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