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  • UA-SP1

    Universal Audio SP-1 Pencil Microphone Pair with Hemisphere Modeling

    5 In Stock

    Universal Audio’s SP-1 is a small-diaphragm cardioid condenser mic pair for stereo instrument recording featuring Hemisphere mic modeling technology and included accessories.

    Capture the details with impossible precision. 

    Record instruments and live performances in stereo with pristine fidelity using Universal Audio’s SP-1 pair, a classic small-diaphragm condenser set featuring best-in-class Hemisphere mic modeling — giving you the authentic sound of famous studio microphones for stage or studio.

    Key Benefits

    • Capture stringed instruments, drums, and more with a matched condenser pair
    • Get the sounds of iconic small-diaphragm condensers from AKG and Neumann* 
    • Harness smooth top-end for clear, professional stereo recordings in any environment
    • Add retro, road-worthy small diaphragm condenser pack to your mic collection

    Record Through Five Famous Pencil Mics

    SP-1s are powered by the same mic modeling technology found in Universal Audio’s award-winning UA Sphere microphones. With the included Hemisphere Mic Collection, it’s the only stereo mic set that gives you the authentic sound of five iconic small-diaphragm condensers from AKG and Neumann.* 

    Modeling Mics That Work for You

    The SP-1 pair and included Hemisphere Mic Collection plug-in work with or without UA hardware, and go way beyond subtle EQ curves to give you precise control over filter, proximity, and axis — an industry first. Just set them up in front of your source and use the plug-in to find that “sweet spot” for an acoustic guitar or piano, or tame harsh frequencies on drum overheads and more.

    Capture Your Best Sounds, Anywhere

    SP-1s feature a classic cardioid design, high SPL tolerance, and smooth, clear top-end — delivering consistently clean capture of acoustic guitars, drum overheads, percussion, horns, and more in any environment.

    A Rugged, Dependable Pair

    Engineered to be your everyday choice for stereo recording, SP-1s feature a retro finish and road-worthy build. They’re equally at home on the stage or in the studio, and pack vintage elegance for days.

    Included Hemisphere Mic Models


    This classic small-diaphragm condenser features a thin nickel diaphragm, delivering clear mids and open top end. It is a go-to in pro studios and has been used to record such greats as Larry Carlton, Ry Cooder, Yo Yo Ma, Joe Pass, Kenny Burrel, and Eric Clapton.**


    A side-address condenser featuring a dual nickel diaphragm in cardioid mode, coupled with the legendary AC701 tube. Its silky top end and pillowy lows are useful on anything from guitars and grand piano to vocals.


    This modern cardioid condenser is prized for its detailed top end. It can be found in studios and stages around the globe, and has been used by artists such as Anderson Paak, Mac DeMarco, and Johnny Marr.**


    With its back-to-back KM84 type capsules in cardioid mode, this prized condenser delivers crisp top end and mellow midrange — a sound which you can hear on the countless Motown classics it was used on.


    This modular end-address condenser mic has become an industry mainstay for its forward, bright tone. Its 75 Hz and 150 Hz low-cut filters make it useful for a wide range of sources, from pianos to snare drum bottoms and overheads.

    Key Features

    • Small-diaphragm condenser modeling mics for studio and live use
    • Get the sounds of iconic pencil mics with Hemisphere mic modeling
    • Cardioid polar pattern rejects off-axis sounds and room noise
    • Perfectly matched pair for accurate stereo recordings
    • Includes mic clips, foam windscreens, stereo T-bar mount, and travel case
    • Quality UA craftsmanship and stylish, rugged build


    Microphone Type

    Small Diaphragm Condenser Pair

    Polar Pattern


    Frequency Range

    20 Hz – 20 kHz


    -38.0 (12.6 mV) ref 1V at 1 Pa, 1 kHz

    Output Impedance

    200 Ohms

    Recommended Load Impedance

    Greater than 2K Ohms

    Output Connector

    3-Pin XLRM

    Maximum SPL

    142 dB SPL, 1% THD

    Phantom Power Requirements

    48 VDC

    Included Accessories

    Two Mic Stand Mounts

    Stereo T-bar

    Two Foam Windscreens

    Two ⅝" to ⅜" Thread Adapters


    5" (128 mm) length

    0.93" (23.5 mm) diameter


    .28 lbs (125 g)

    *Hemisphere Mic Collection plug-in available upon product registration. All trademarks are property of their respective owners and used only to represent the microphones and sound treatment modeled as part of the Hemisphere software.

    **Use of artist names does not constitute an official endorsement of SP-1 Pencil Microphone Pair with Hemisphere Modeling.