Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone

MFR# SU011
Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone
Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone Soyuz SU-011 Small-Diaphragm Tube Condenser Microphone 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
Ships directly from Soyuz Microphones This item ships directly to you from the manufacturer. To ensure that the manufacturer currently has stock, please chat, call or email for the latest availability status.
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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.


  • 100% handmade in Russia
  • 25 mm gold sputtered diaphragm capsule
  • In-house wound transformer
  • 6S6B military grade triode tube
  • Optional capsules: omni, hypercardioid
  • -10 dB Pad and clip included
  • Comes in a velvet-lined, hand-crafted Russian hardwood box
  • 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
  • Tube Type: 6S6B
  • Power: Dedicated power supply BP-011


  • 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

Technical Specifications

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 Cardioid: -38.4 dBV/Pa (12 mV) / Omni: -40 dBV/Pa (10 mV) / Hypercardioid: -37.1 dBV/Pa dBV/Pa (12 mV)
Max. SPL 120 dB equivalent noise: <18 dB (A-weighted)

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