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AEA 44-CX 25LE Limited Edition Ribbon Microphone  From AEA

Museum-quality homage to the RCA 44BX ribbon microphone with three-position filter toggle switch, custom 1:32 transformer, and a full and rich sound

AEA

$5,499.00

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What We Think

It’s not near as common to see a ribbon microphone on vocals than a condenser microphone, but when the vibe of the song calls for an impeccably rich, impressively smooth, and vintage-leaning vocal timbre, the AEA R44CX delivers in an incredibly powerful way. As an accurate replica of one of the most classic microphones ever made (RCA 44), the R44CX boasts a velvety smoothness and unique tone that’s near identical to its origination. The CX model adds additional flexibility with a hotter output, which allows the microphone to be used with such a wide variety of preamps (not just those specifically designed to work optimally with ribbon microphones). This in turn provides the engineer with limitless creative freedom regarding preamp choice and also causes it to perform more consistently on dynamic vocalists by picking up more of the quieter sections.

Manufacturer's Description from AEA

In 1998, AEA released its first museum-quality reproduction of the iconic RCA 44. AEA honor this legacy with the limited edition homage to the RCA 44BX: the AEA 44-CX 25LE. Complete with a three-position inductor high-pass filter switch and original color-matched transformer case, this unique product recalls the vintage sound of the 44BX with the added benefit of modern components and materials.

VINTAGE AESTHETIC, VINTAGE SOUND

Much like the original 44BX, the 44-CX 25LE features an umber gray case and brushed satin plated finish, custom "meatball" logo badge in original RCA font, and brown cabling. Look closely, and you might even spot a color difference in the grille silk, which is slightly more muted to emulate an aged mic. The most exciting feature of the 25LE is the three-position circuit jumper switch at its base. Historically, many broadcasters and musicians alike modded their BXs with similar switches, eliminating the need to open the case for adjustments. Inspired by old RCA schematics of the 44BX’s "reactor" (now commonly referred to as an inductor), our team collaborated closely with Cinemag Transformers to develop the best-sounding inductor- transformer combination. The 25LE model features a 1:32 transformer (rather than our standard 1:28), paired with an inductor that is connected to the secondary of the transformer in various configurations. By switching the toggle on the bottom of the 25LE, you can choose between:

  • "M" (or "music," which bypasses the inductor)
  • "V1" (a slight high-pass filter, best for taming more distant or mid range vocals)
  • "V2" (a more aggressive high-pass filter, for close miking, deeper vocals, or just sound coloration)

FEATURES:

  • Museum-quality homage to the RCA 44BX
  • Bronze investment-cast yoke, finished in satin nickel
  • Three-position toggle switch selects between “Music” (no filter/classic 44 sound), “V1” (HPF), and “V2” (more aggressive HPF)
  • Custom 1:32 transformer (original AEA R44CX is 1:28)
  • Full and rich sound; smooth highs and warm lows, with additional signal coloring options
  • Vintage-inspired look with classic brown XLR cable and non-reflective, umber transformer case
AEA

About Manufacturer

Wes Dooley's longtime passion for audio has infused his company, Audio Engineering Associates (AEA), with a well balanced blend of creativity and technical expertise for forty years. At the core of AEA is a genuine interest in the art and science of audio. From areas as diverse as forensic audio and microphone design, Wes' passion for audio has led him all over the world, from recording experiences in Europe, Africa, and New Zealand, to the courtrooms of Los Angeles as a forensic audio and video expert witness. Such experiences have led Wes to design products which help resolve problems commonly encountered by recording engineers. His portable recording tools including, multi-channel microphone arrays, MS stereo processors, stereo phase displays and very tall microphone stands, have all made on-site recording far more feasible. Despite his contributions to on-location recording, Wes is best known for his pursuit of excellence in ribbon microphone technology. After two decades of representing and servicing the BBC 4038 in the United States, he began to experiment with his own ribbon microphones. During the last decade Wes became aware of the increasing scarcity of R44's and other ribbon microphones. In 1998, responding to this need, Wes re-introduced the 44 much to the thrill of many in the recording industry. Les Paul told Wes that AEA's R44 is his favorite microphone and engineer/producers such as Bruce Swedien, Kevin Bacon, and Shawn Murphy routinely use AEA's R44. Even without such critical acclaim the numbers speak for themselves. Over half of the movies scored in Los Angeles have a 44 somewhere on the scoring stage. Building off of his successful reintroduction of the R44, in 2002 Wes designed and began producing an original ribbon mic, the AEA R84. His groundbreaking work with ribbon microphones helped him to secure the Audio Engineering Society (AES) Silver Medal Award in the fall of 2003. This award, established by the AES in 1971, in honor of audio pioneers Alexander Graham Bell, Emile Berliner, and Thomas A. Edison, is given in recognition of outstanding development or achievement in the field of audio engineering. Wes has also co-authored two AES Journal articles about stereo microphone techniques, chaired workshops on mic techniques and mixing strategies for compatible multiple releases for cinema, broadcast and home video, and has presented section meetings on stereo techniques and forensic audio. He is involved with AES standards work and currently serves on the SC-03-12 Working Group on Forensic Audio and SC-04-04 Working Group on Microphone Measurement and Characterization.

Specifications


*Operating Principle: Velocity microphone

*Frequency Response: Below 30 Hz to above 20 kHz

*Maximum SPL: 140 + dB SPL above 200Hz for 1% third harmonic

*Output Sensitivity: 2.25 mV / Pa into unloaded circuit

* Output Impedance: 270 ohms broadband

*Recommended Load: 1.2 K ohm or greater

*Powering: Not required or recommended

*Polarity: Pin 2 high for positive pressure on the front of the microphone

*Connector: XLR-3M wired to a 2 meter captive cable

*Polar Pattern: Native bi-directional pattern

*Horizontal: Level changes with angle, frequency response is consistent, -90 dB null at 90 / 270 degrees

*Vertical: Level changes with angle, reduced HF response above and below 0 / 180 degree axis, null at 90 / 270 degrees

*Transducer element: *Ribbon Thickness: 1.8 microns ( .0000018 meter ) of pure aluminum

* Ribbon Width: 4.7 mm

* Ribbon Length: 59.7 mm

*Accessories: *Included: Custom storage / shipping case, stand adapter, manual and attached two-meter microphone cable

*Limited Warranty: Three years parts and labor, shipping not included