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United Studio Technologies unveils UT Twin48 twin mode tube-driven large diaphragm condenser microphone

United Studio Technologies’ new UT Twin48 studio microphone delivers two classic tube microphone designs of the late 1940s and 1950s in a single enclosure. Classic 47 and 48-style mics each derived their cardioid operation in very different ways - producing subtle tone differences as well as a slightly different polar pattern. For the first time ever, the UT Twin48 delivers both options in a single microphone.

47 Mode offers both 47 Cardioid and Omni patterns, while 48 Mode offers 48 Cardioid and Figure-of-8. Each cardioid mode delivers a different tonal flavor and performance: 47 Cardioid de-couples the rear diaphragm in a process known as True Cardioid, for a louder sound with improved sensitivity with more background and top-end detail; 48 Cardioid polarizes the rear diaphragm with the same voltage as the backplate - AKA Active Cardioid - for a more tightly closed-in, warmer, intimate tone that is a bit lower in sensitivity.

At the heart of the UT Twin48 lies a select NOS EF86 pentode glass vacuum tube, the last living descendent of the originals’ tube. It delivers a bold, rich sound, due to the pentode’s harmonic profile being different than modern dual-triode tubes.

The UT Twin48 features the custom United UT K48 capsule, crafted to match the single backplate/dual diaphragm design with historical accuracy. Skinned in a laboratory clean-room environment and 24k gold-sputtered on 6-micron Mylar, this capsule aims to ensure a smooth, resonance-free sound that’s free of excessive brightness or sibilance. Complementing the capsule is the US-made UT-BV8 transformer, wound to original Braunbuch specifications with high-nickel alloy laminations and a copper Faraday shield, aiming to ensure optimal signal integrity and noise rejection.

The UT Twin48’s power unit features US-made components, discrete Zener diode regulation, and robust EMI/RFI filters. This power supply ensures maintenance-free operation. The included Sommer Octave 7 conductor cable has been optimized for the Twin48.

The UT Twin48’s components include audiophile grade polystyrene, tantalum, and film capacitors, plus audiophile grade, US-made PRP thin-film resistors. Also included is a vintage-inspired briefcase - custom-fit to house the UT Twin48 and all included accessories.

The United Studio Technologies UT Twin48 will be available for pre-order beginning January 16, 2025, and is expected to ship in Q1 2025.

(Photo: United Studio Technologies)

www.unitedstudiotech.com

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