Description

The Universal Audio Bock 251 Tube Condenser Microphone is New Delivered to all areas of the UK using our roadie delivery service.

The UA Bock 251 is a world-class large-diaphragm tube condenser microphone, meticulously handcrafted at Universal Audio’s Custom Shop in Santa Cruz, California. Designed by the legendary David Bock, this flagship microphone captures the smooth, open and harmonically rich sound of the revered ELAM 251, often regarded as the finest vocal microphone ever created. Each unit embodies decades of engineering expertise, combining authentic vintage warmth with modern reliability and precision. With its German-made CK12 capsule, Cinemag transformer and NOS ECC85 tube, the UA Bock 251 delivers extraordinary detail, depth and clarity across an extended frequency range. Its switchable polar patterns offer remarkable flexibility for vocals, instruments and ensembles alike. Built entirely by hand using premium components, this microphone ensures lasting performance for professional studios seeking timeless tone and craftsmanship. Complete with a dedicated linear power supply, robust shock mount and vintage-style case, the UA Bock 251 is made to inspire generations of pristine recordings.

Key Features

• Handcrafted in California:
  Every UA Bock 251 is built by hand at Universal Audio’s Custom Shop in Santa Cruz, ensuring exceptional build quality, precision and reliability in every detail.
• Classic Sound with Modern Enhancements:
  Designed by David Bock, this microphone recreates the “golden unit” character of vintage 251s with improved low-frequency response and higher sound pressure handling.
• Versatile Polar Patterns:
  Switch between omnidirectional, cardioid and figure-8 settings, offering complete control over room ambience, proximity and tonal capture for any recording scenario.

Inspired Craftsmanship:

The UA Bock 251 represents a true labour of love, built by expert hands in California to the exacting standards of David Bock. Drawing from his years as chief technical engineer in world-famous studios, Bock’s design honours the finest vintage microphones while incorporating modern improvements for consistency and performance. Each component is selected and assembled with meticulous care, creating a microphone that delivers both sonic beauty and enduring reliability for professional recording environments.

Rich, Refined Tube Character:

At the heart of the UA Bock 251 lies a NOS ECC85 tube and a German-made CK12 capsule, delivering a warm, natural tone with stunning presence. The Cinemag transformer enhances harmonic depth and low-end response, achieving a smooth balance across the entire frequency spectrum. This unique combination provides engineers and artists with the unmistakable richness and dimension that define truly great vocal and instrument recordings.

Designed for a Lifetime of Sound:

Built with premium, hand-wired components and tested to rigorous specifications, the UA Bock 251 is made to last. Each microphone comes with a custom power supply for stable performance, a robust shock mount for secure placement and a vintage-style suitcase for safe transport. Whether in a world-class facility or a personal studio, the UA Bock 251 offers a lifetime investment in sonic excellence and craftsmanship.

Specifications

• Large-diaphragm tube condenser microphone
• Handmade in Santa Cruz, California, USA
• German-made CK12 capsule
• Cinemag output transformer
• Frequency response: 10 Hz – 18 kHz, ± 2 dB
• Maximum SPL: 118 dB SPL, 1% THD
• Valve type: NOS ECC85 tube
• Switchable polar patterns: omnidirectional, cardioid and figure-8
• Requires UA Bock 251 PSU true linear power supply (included)
• Includes vintage-style suitcase, shock mount and accessories