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UNITED STUDIO TECHNOLOGIES  |  SKU: 25085

UT-Tube67

Tube Microphones

Vintage-inspired tube condenser mic with NOS EF86 tube, custom capsule, and transformer. Delivers silky, full-bodied tone for vocals, instruments, and studio use.

$1,799.00 CAD
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Description

The United UT Tube67 is a faithful homage to one of the most legendary studio microphones ever made, renowned for its velvety, full-bodied tone that has shaped countless classic recordings since the 1960s. Designed around a NOS EF86 pentode vacuum tube, a custom United K67 dual-diaphragm capsule, and a US-made UT-BV12 transformer, this microphone delivers the silky-smooth top end and warm, intimate character that engineers and artists prize for vocals and instruments alike.

With its switchable "Air" mod for subtle high-frequency lift, wide polar pattern selection (Cardioid, Omni, and Figure-8), and boutique-level construction, the UT Tube67 excels in capturing everything from vocals and acoustic instruments to full ensembles. Built with uncompromising attention to detail - including a custom Sommer 7-pin cable, regulated power supply, and precision assembly in the USA - the UT Tube67 is a versatile studio workhorse that combines vintage magic with modern reliability.

Features

Faithful reproduction of the classic 67-style German tube microphone

Uses NOS 1960s EF86 pentode vacuum tube for silky-smooth tone

Custom United K67 capsule, dual-diaphragm/backplate, 24k gold-sputtered, 6 µm Mylar

Capsule design based on a 1970s golden sample with enhanced low"midrange response

Custom-wound, US-made UT-BV12 transformer with high-nickel laminations and copper Faraday shield for reduced RFI

Switchable Air Mod for subtle high-end lift and smoother transients

Wide polar pattern selection: Cardioid, Omni, Figure-8

Frequency response: 20 Hz " 20 kHz

Handles SPL up to 137 dB @ 0.5% THD

Low self-noise (<11 dB) for clean recordings

Built-in 80 Hz high-pass filter and -10 dB pad

Output impedance: 38 Ω via gold-plated XLR (from power supply)

Solid brass body with nickel electroplate / black satin finish

Includes: high-performance power supply, custom Sommer Octave 7-pin cable (6 m), shockmount, and vintage-style pouch

Designed, assembled, and tested in the USA

Specifications

General Specifications

Microphone Type: Condenser microphone, Dual-diaphragm, dual-backplate K67 capsule, 6-micron 24k gold-sputtered Mylar diaphragm

Amplifier: NOS EF86 pentode vacuum tube

Polar Patterns: Cardioid, Omni, Figure-of-8

Frequency Response: 20 Hz to 20 kHz

Max SPL: 137 dB @ 0.5% THD

Self Noise: Less than 11 dB

Output

Custom-wound United UT Series transformer (USA-made)

Output impedance: 38 ohms

Connector: 3-pin XLR (24k gold-plated), pin 2 hot, pin 1 ground (from power supply)

Additional Features

High-Pass Filter: 80 Hz (12 dB/octave)

Pad: -10 dB

Switchable "Air" mod for subtle high-frequency lift and transient clarity

Includes regulated high-performance power supply

Custom Sommer Octave 7-conductor cable (6 m / 19.7 ft)

Suspension shockmount

Vintage-style storage pouch

Construction

Body: Solid milled brass

Finish: Nickel electroplated / black satin paint

Power Supply

Power Input: 110-120 VAC or 220-240 VAC (switch selectable)

Connector: IEC320 3-conductor receptacle

Power Supply Dimensions

Height (with feet): 67 mm

Height (w/o feet): 60 mm

Width: 143 mm

Depth: 171 mm

Microphone Dimensions

Height: 244 mm (9.6 in)

Diameter: 60 mm (2.375 in)

Shockmount depth: 119 mm to 183 mm (4.69 in to 7.2 in)

Recommended Applications

Vocals: Male, Female, Group

Instruments: Acoustic & Electric Guitar, Acoustic Bass, Brass, Woodwinds, Piano, Percussion, Cymbals

Environments: Room capture, Hall capture

Other: Podcasting, Narration, Broadcast, Sample capture

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