United Studio Technologies FET47 condenser microphone

Availability: Backorder


UT FET47 is the culmination of multiple years of R&D to capture the sonic qualities of vintage U47s in a microphone fit for the trials of the modern professional studio.

Our price £949.00 £790.83
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United Studio Technologies FET47 condenser microphone

Reimagining A Classic

United Studio Technologies’ flagship UT FET47 is built on a unique partnership of custom and new-old stock components. A custom Cinemag featuring double striped humbucking cores handles transformer duties, while a unique HZ-Series capsule has been designed and employed by United in partnership with Eric Heiserman to offer unbelievable openness, clarity and articulation. In addition to these custom pieces, the puzzle is completed by NOS or ’new-old stock’ FETs to achieve an even more faithful Vintage 47 sonic experience.


The New Studio Workhorse

Every component of United Studio Technologies' flagship microphone has been meticulously researched and tested to ensure optimum ease of operation along with its awesome sound. Each UT FET47 unit is built in the USA and manufactured in small batches to ensure all microphones leaves the warehouse consistently in full working order.


Key Features:

  • Solid-state FET condenser microphone
  • Cardioid polar pattern
  • Custom Cinemag double-stripe transformer
  • Heiserman designed HZ-Series capsule
  • Vintage polystyrene capacitors
  • NOS (new old stock) FETs
  • Self-contained stand swivel mount adapter
  • 75Hz high pass filter
  • Switchable -10dB pad
  • Requires 48v phantom power
More Information


Amplifier: Field Effect Transistor

Supply: +48v Phantom Power (via XLR)

Ground: Pin 1 XLR (required)

Output: Cinemag USA transformer balanced, pin 2 hot



Capsule: HZ Series 34mm all-brass, dual-backplate K47

Diaphragm: Dual-diaphragm, 6 micron, 24k gold sputtered Mylar (PET film)

Polar Pattern: Cardioid



Frequency Response: 20 Hz - 20 kHz

SPL: 136 dB (145 dB w/ Pad) @ <.5% THD

Output Impedance: 200 Ohm

Self Noise: <10 dB (no pad, no HPF)

Filter: 75 Hz (-12dB down point)

Pad: -10dB


Physical Properties

Body: Nickel electroplated, solid milled brass

Dimensions: 210 x 69 x 63mm (HxWxD)



Output: 24k gold plated XLR