Flea 251

Introducing the FLEA 251, a stunning replica of the original 251, widely celebrated as one of the greatest microphones ever created.

Crafting this clone wasn’t just a project; it was a labor of love and dedication, requiring immense patience and deep passion due to the complexity and intricacy of its design.

Despite the challenges faced in its creation, the FLEA 251 stands as a testament to our commitment to excellence. Every aspect of this microphone has been refined, even improving upon the original in certain areas.

Key Innovations:

  • Gold-Plated Components: All crucial connecting parts, pins, and terminals are gold-plated for enhanced conductivity and reliability.

  • Advanced Wiring: Following Andreas Grosser’s latest design improvements, the microphone boasts reduced noise, enhancing its already exceptional sound quality.


It comes equipped with:


  • Tim Campbell CT12 Capsule: A precise emulation of the CK12 capsule, known for its exacting sound reproduction.


  • T14/1 Transformer Clone: An identical replica of the original, ensuring the microphone retains the iconic sound of its predecessor.


  • Standard: 6072A Tube, carefully chosen for its contribution to the microphone’s tonal character.

Polar Patterns

  • Versatile with cardioid, figure-eight and omnidirectional options, accommodating a diverse range of recording scenarios.


A True Masterpiece:

The FLEA 251 isn’t just a microphone; it’s a masterpiece that encapsulates the spirit of its legendary ancestor. Experience the unparalleled clarity and warmth that this microphone brings to every recording.

Complete Set:

This exquisite microphone comes in a full set, including a flight case, a wooden box for safe storage, a power supply unit, a high-quality cable, and a yokemount for optimal positioning.


Directional Pattern

Cardioid, Omni, Figure 8

Frequency Range

20 Hz - 20 kHz

Sensitivity at 1kHz

18 mV/Pa

Rated Impedance

200/50 Ohms

THD at 1kHz at 1Pa


Maximum SPL

132 dB

Self Noise

10 dBa


Flea T14/1


CT12 (Tim Campbell)

Standard Tube


Optional Tube

GE6072A (+300€) or TAD6072 (+50€)

What's included in the microphone set

  • Microphone in wooden box
  • Power Supply
  • Mic – PSU Cable with swivel mount connector
  • Power Cord
  • Microphone Dust Cover
  • Printed Manual
  • All is packed in heavy duty flight case with foam insert

What Our Flea 251 Owners Say...

FLEA ELA M 251, Rene Laflamme, Canada


“Just did a recording.It was a very real and beautiful sound with your mic’s.”

FLEA ELA M 251, Rene Laflamme, Canada


“I plug the 251’s this morning, oh man !! The sound in omni is mind

FLEA ELA M 251, Petteri Sariola, Finland


“Check the video featuring the FLEA ELA M 251”