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Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone

Hand-made small-diaphragm tube condenser microphone with wood case, power supply and cable, XLR cable and microphone clip

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Soyuz Microphones
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  • Free Tech Support
  • Free Extended Warranty
Our Price: $1,199.99

12-month financing with the Vintage King credit card

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Thanks to our relationship with Soyuz Microphones, this item should ship within 5-10 business days. Order now and it will be shipped via one of our three centrally located shipping hubs on the same day it’s received from the manufacturer. Email, chat or call 888.653.1184 for estimated ship date.

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Product Description
Additional Information
  • Product Description

    Boasting the same hand-crafted workmanship as its larger sibling, the Soyuz SU-011 Small-diaphragm Tube Condenser Microphone features an original "dead stock" sub-miniature tube, manufactured in the Soviet Union in 1986. The included cardioid capsule can be swapped for hyper-cardioid or omnidirectional models.

    Seeking more adventurous sonic possibilities? The SU-011 can accommodate the capsules the SU-017, giving you both large and small diaphragm options in a small body format.


    • Operating Temperature Range: O°C - +70°C
    • Storage Temperature Range: -20°C - +70°C
    • Humidity Range: 0%...90% at +20°C and 0% - 85% at +60°C
    • Directional Pattern: Cardioid with optional capsules in omni and hypercardioid (sold separately)
    • Frequency Range: 20Hz - 20kHz
    • Sensitivity: cardioid 12 mv/Pa; omni 10 mv/Pa; hypercardioid 14 mv/Pa
    • Impedance: 150 Ohm
    • SPL: -120 dB Equivalent Noise: less than 18 dB (a-weighted)
    • Tube Type: 6S6B
    • Power: Dedicated power supply- BP-011
    • Size: 26x123mm
    • Weight: 30 grams


    • SU-011 tube condenser mic
    • Wooden storage case
    • BP-011 power supply with power cable
    • XLR microphone cable (5 meters)
    • SU-011 microphone clip

    Want to hear it? Check out the Soyuz Small-Diaphragm Microphone Test 2016 on SoundCloud

  • Additional Information

    Condition New
    Package Contents PSU, PSU connection cable, mic-PSU cable, microphone box
    Length 4.85 in
    Diameter 1 in
    Unit Weight 0.65 lb
    Transducer Type Condenser
    Polar Pattern Cardioid
    Number of Microphones Single Microphone
    Impedance 150 Ohms
    Frequency Range 20 Hz - 20 kHz
    Sensitivity -38.4 dBV/Pa (12 mV)
    Max. SPL 120 dB equivalent noise: <18 dB (A-weighted)
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