Description
The United Studio Technologies UT Tube67 is a United’s faithful homage to one of the most in-demand mic designs of all time. The original classics have shaped the sound of countless classic recordings since their debut 1960; renowned for velvety, creamy, full-bodied tone. The UT Tube67’s smooth top-end make it an outstanding choice for vocals, imparting a warm, intimate quality that only can be delivered by it’s 1960’s NOS EF86 vacuum tube. Linear response across polar patterns ensures versatility, excelling in capturing strings, woodwinds, brass, piano, drums, and both acoustic and electric guitars.
United has taken this classic-specification design to the next level with component-level attention to detail, as well as including a switchable Air Modification preferred by many classic recordists.
United Studio Technologies UT Tube67 Features:
- Condenser Microphone
- Capsule UT Series, 34 mm brass, dual backplate K67
- Diaphragm 6 micron, 24k gold sputtered Mylar (PET film)
- Capsule Sensitivity -38dB @60v polarization
- Frequency Response 20 Hz – 20 kHz
- Polar Pattern Cardioid, Omni, Figure-of-8
- SPL 137dB @ 0.5% THD
- Output Impedance 38 Ω
- Amplifier Type Vacuum tube
- Tube NOS selected EF86 pentode vacuum tube
- Self Noise <11 dB
- Output Custom-wound UT Series transformer, made in USA
- High Pass Filter 80 Hz (-12dB down point)
- Pad -10dB
- Dimensions Microphone: 241 mm / 9.48″ x 60 mm / 2.375″
- Shockmount Depth: 119 mm / 4.7″ – 184 mm / 7.2″
- Dimensions – Power Supply (WxDxH): 67 mm / 2.63″ x 171 mm / 6.75″ x 143mm / 5.6″
- Manual here








