United Studio Technologies Ut Fet47
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Information
Information
Manufacturer Information
United Studio Technologies
https://www.unitedstudiotech.com
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Safety manager:
Hyperactive Audiotechnik GmbH
Email: info@hyperactive.de
Address:
A Modern Heir to a Studio Legend
The UT FET 47 respectfully revisits the DNA of a classic while meeting today's demands for consistency and reliability. Assembled in the USA with custom parts and carefully chosen "old-stock" components, it delivers the expected musical character-full, dense, and focused-in a format ready to integrate into modern signal chains.
Who Is It For and In What Contexts?
Sound engineers, producers, and discerning creators will find the UT FET 47 both robust and inspiring. Its typical FET circuit fast response, high SPL handling, and cardioid directivity make it a reliable choice for lead vocals, kick drum, toms, bass, amps, and brass sections, with a solid low end that immediately sits well in the mix.
What Makes the Difference in Your Recordings
Heiserman HZ Series K47-Style Capsule
The 34 mm brass capsule, equipped with matched rear plates, ensures exemplary consistency from mic to mic. Its dual 24-carat gold-sputtered Mylar diaphragm (6-micron PET film) guarantees stability and definition, delivering clear vocals and instruments without harshness.
Custom Cinemag Transformer
Wound to historical specifications with a nickel/steel core and "humbucker" architecture, it provides a powerful and silent balanced output, tight lows, and a present midrange that cuts through the mix without harshness.
Selected and Discreet FET Stage
Sorted vintage FETs paired with polystyrene capacitors optimize linearity, reduce distortion, and open up dynamics. The result: very low self-noise and a wide frequency response from 20 Hz to 20 kHz, perfect for high-end preamps and converters.
Integrated Recording Tools
The -10 dB pad extends headroom up to 145 dB SPL, while the 75 Hz high-pass filter controls proximity effect and vibrations without diminishing the source's body.
Technical specifications
| Frequency response | 20 Hz - 20 kHz |
| Category | studio microphone |
| Directivity | cardioid |
| Capsule | Large Diaphragm |
| Connection | XLR |
| Color | Grey |
| Type | Condenser microphone |
| Diaphragm | Dual 24-carat gold-sputtered Mylar (PET film) 6 microns |
| Polar Pattern | Cardioid |
| Amplifier Type | Field-effect transistor (FET) |
| SPL | 136 dB (145 dB with pad) at < 0.5% THD |
| Self-noise | < 10 dB (no pad, no HPF) |
| Output Impedance | 200 ohms |
| Output | Balanced Cinemag USA transformer, hot on pin 2 |
| Power Supply | +48 V phantom power (via XLR) |
| Ground | XLR pin 1 (mandatory) |
| High-pass filter | 75 Hz (12 dB/octave roll-off) |
| Attenuation | -10 dB pad |
| Body | Electroplated nickel, solid machined brass |
| Connector | 24-carat gold-plated XLR |
| Mounting | Swivel mounting bracket |
| Dimensions (L x W) | 165 mm x 60 mm |
| Weight | 0.75 kg |
Questions frequently asked
Is the UT FET 47 suitable for vocal recording?
Its cardioid pattern and 34 mm double-diaphragm Heiserman HZ capsule of K47 style are suitable for lead vocal pickup. The frequency response ranges from 20 Hz to 20 kHz.
What maximum sound pressure level does this FET microphone handle?
The maximum level reaches 136 dB SPL at under 0.5% total harmonic distortion. With the -10 dB pad engaged, the capability increases to 145 dB SPL, suitable for kick drums, amplifiers, and brass instruments.
Is a low-cut filter integrated?
A 75 Hz high-pass filter with a -12 dB/octave slope is integrated. It helps control vibrations and proximity effect.
What connectivity is used with this studio microphone?
The balanced output uses an XLR connector with pin 2 hot. The Cinemag USA transformer has an output impedance of 200 ohms.
What is the weight and what mounting accessory comes with the UT FET 47?
The milled solid brass body with nickel plating weighs 0.75 kg. A swivel mount is provided for installation. The microphone measures 165 mm in length and 60 mm in diameter.
