United Studio Technologies UT Fet47

United Studio Technologies UT Fet47

United Studio Technologies UT Fet47


The UT FET47 is a large-diaphragm FET condenser microphone meticulously designed to capture the essence of classic solid-state condenser microphones. Ideal for modern recordists, it offers realism and thickness at an affordable price.

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The UT FET47: Where Classic Meets Contemporary

A Brief Overview: The Journey to Recreate a Classic

The UT FET47 is not just a product; it's the culmination of years of research and development aimed at recreating one of the most iconic microphones in recording history. The team at United Studio Technologies embarked on this journey to offer modern recordists an authentic experience that captures the essence of classic solid-state condensers. The goal was to make this legendary sound accessible without compromising on quality, hence the affordable price point.

Custom Heiserman Designed HZ-Series Capsule: The Heart of the Microphone

The capsule is often considered the "heart" of any microphone, and the UT FET47 is no exception. United Studio Technologies collaborated with Eric Heiserman, a renowned capsule designer, to develop the HZ-Series capsule from scratch. This capsule is not just a replica; it's a modern interpretation that maintains the open, articulate, and three-dimensional sound characteristics of the original. The meticulous design process involved everything from sourcing the right Mylar to the thread types of screws, ensuring an unmatched level of accuracy and consistency in sound capture.

Vintage Components and Custom Cinemag Transformers: The Soul of Authenticity

The UT FET47 goes beyond mere imitation by incorporating vintage polystyrene capacitors and New Old Stock (NOS) FETs. These components are not just for show; they are integral to achieving the authentic sound quality of the original microphones. Additionally, the custom Cinemag transformer was chosen after auditioning many recreations of the original German transformer. This particular transformer, made from a 'striped core' of interleaved sets of high nickel and steel laminations, was the only one that met the team's stringent criteria for clean, quiet operation.

Built for the Modern Recordist: A Classic Reimagined

With over half a century of combined industry experience, the team behind the UT FET47 understands the evolving needs of today's recordists. This microphone is built in the USA by actual recording engineers who have firsthand experience with the challenges and requirements of modern recording environments. The UT FET47 is not just a tribute to a classic; it's a reliable, high-quality tool designed to meet the demands of contemporary recording, from podcasting to high-end studio production.

More Information
Polar Pattern Cardioid
Frequency Response 20 Hz - 20 kHz
Output Connector XLR
Dimensions Height: 210mm / 8.2 in. Width: 69mm / 2.7 in. Diameter: 63mm / 2.4 in.
  • Large-diaphragm FET condenser microphone
  • Custom Heiserman designed HZ-Series capsule
  • Vintage polystyrene capacitors and NOS FETs
  • Custom Cinemag transformer
  • Built in the USA
  • Frequency Response: 20 Hz - 20 kHz
  • SPL: 136 dB (145 dB w/ Pad)
Feature Specification
Type Condenser Microphone
Capsule HZ Series 34mm all-brass, dual-backplate K47
Power Supply +48v Phantom Power (via XLR)
Frequency Response 20 Hz - 20 kHz
SPL 136 dB (145 dB w/ Pad)
Output Impedance 150 Ω (in circuit)

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