Flea ELA M 251 - Tube Microphone Set

Valve microphone

• Faithful replica of the legendary M 251 tube microphone
• FLEA CK12 capsule built to original AKG CK12 specifications
• Hand-selected EH6072A valve for natural and musical sound response
• Custom FLEA T14/1 transformer with authentic vintage character
• Low-noise optimized internal wiring developed with Andreas Grosser
• Gold-plated components for maximum reliability and signal transparency
• Ideal for vocals, acoustic instruments, orchestral environments, and professional productions

The FLEA Ela M 251 Tube Microphone represents one of the most accurate and refined reproductions of the famous M 251 tube microphone, an absolute reference in the history of professional recording. Built entirely by hand with contemporary manufacturing standards and selected components, this microphone offers extraordinary sound quality designed for recording studios, high-end vocal productions and orchestral filming.

Authentic vintage sound with FLEA CK12 capsule

At the heart of the FLEA M 251 is the FLEA CK12 capsule, an extremely faithful replica of the historic AKG CK12. This capsule is prized for its open, detailed and natural character, capable of returning rich harmonics and a unique three-dimensionality. The sound response is airy and defined, always maintaining great musicality even in the most complex recordings.

Professional tube microphone for vocals and instruments

The hand-selected EH6072A tube works in perfect synergy with the custom FLEA T14/1 transformer, delivering a warm, controlled and dynamically balanced sound. This combination ensures excellent performance on lead vocals, acoustic instruments, guitars, and orchestral environments while maintaining extreme accuracy in reproducing sonic nuances.

Hand-made construction and premium components

Every detail of the FLEA Ela M 251 Tube Microphone is designed to ensure high performance and long-term reliability. Internal connections use gold-plated components to optimize signal conductivity, while the circuit layout developed with input from Andreas Grosser minimizes noise floor and maximizes sonic transparency.

High performance for professional recording studios

With its extended frequency response and ability to capture every detail of the sound source, the FLEA M 251 remains an ideal choice for professional productions that require a tube microphone with authentic vintage character but modern reliability.

Technical Specifications.

• Polar pattern: Cardioid, Omnidirectional, Figure of 8
• Capsule: FLEA CK12
• Valve: EH6072A
• Transformer: FLEA T14/1
• Frequency Response: 20 Hz - 20 kHz
• Sensitivity: 18 mV/Pa
• Output impedance: 200/50 Ohm
• Maximum SPL: 132 dB
• THD: 0.15% at 1kHz, 1Pa
• Equivalent noise: 10 dBA

Package contents.

• FLEA M 251 Vintage microphone in wooden box
• Dedicated power supply with swivel connector
• Microphone-power supply cable
• Power supply cable
• Dust cover
• Printed user manual