Warm Audio WA-251 Tube Microphone
Front End Audio has a fantastic deal on this factory direct B-Stock microphone! This WA-251 arrived to us directly from Warm Audio quality control where they deemed it as "B-Stock" for whatever reason. We have fully inspected this microphone and you will be hard pressed to find a flaw! However, in the nature of being B-Stock, do expect a minor cosmetic issue but rest assured that it will have absolutely no impact on the functionality or performance of this microphone. Otherwise, this microphone is brand new and carries a full manufacturers warranty. This is your opportunity to grab a deal on a "just like new" WA-251 from Warm Audio!
The Warm Audio WA-251 Tube Microphone was created to offer a classic microphone design to a new generation of recording artists at an affordable price. The WA-251 is designed for pro studio, home studio, live, and broadcast applications. Warm Audio spent a great deal of time listening to different ‘251 microphones to determine what people liked about them and why, how various styles of components impact the tone, and how to give the WA-251 microphone a signature that pays homage to the vintage classic, but also stands out on its own. The WA-251 is an all vacuum tube, large diaphragm, transformer balanced, multi-pattern, large condenser microphone, based on the classic ‘251 that has been used on countless hit records for the last 50+ years. The WA-251 is designed for pro studio, home studio, live, and broadcast applications and sounds great on vocals, acoustic/electric guitars, acoustic/electric bass, drums, piano, strings, brass/woodwind instruments, and an array of other sources.
The classic ‘251 became extremely popular as a vocal microphone in the 1960’s and is now considered to be one of the greatest condenser microphones ever created. The classic ‘251 is still widely used today in professional recording studios but has become extremely rare and cost prohibitive to acquire. Designing the WA-251 to sound like the classic ‘251 was no easy task, especially since some of the vintage components are no longer manufactured or available. Warm Audio is pleased to release such a gorgeous sounding classic to the market at a price that’s reachable to more people than ever before.
All Brass Capsule
The WA-12-B-60V is an all-brass, edge-terminated capsule that captures all the smoothness, rich top end, and warm vintage sonics of the original CK12 capsule. The WA-12-B-60V uses a variant CEK-12 back plate as a basis, which overcomes manufacturing limitations of the original CK12 capsule. The o-ring and housing of the WA-12-B-60V are all made from brass (no teflon parts), and the diaphragm is 24k gold sputtered 6 micron, NOS PET film (mylar). The end result is a very consistent, reliable capsule which matches the frequency response and tonality of the classic 1970's classic capsule.
A Slovak Republic JJ 12AY7 vacuum tube is used in the WA-251. We auditioned 3 tube brands and fell in love with the JJ 12AY7. The frequency response of the JJ tube, and the way it contributes to the circuit is tonally smooth and vintage in nature.
The WA-251 utilizes an American made CineMag USA transformer. This transformer helps provide the present top end and the LARGE bottom end one would hope to get from a 251-style condenser microphone.
The WA-251 proudly uses polystyrene coupling capacitors, wima film capacitors throughout, and an imported Solen French capacitor on its output.
One component of a tube microphone that is often overlooked is the 7 pin cable that connects the microphone to its power supply. When auditioning the WA-251 and other tube microphones we learned quite a bit about 7 pin cables and how the shielding and wire gauge size can drastically change the sonics of a tube microphone. We have partnered with Gotham Audio in Switzerland to use their very carefully built high-end 7 pin “GAC-7 cable”. Using this cable increases top end presence and the overall size of the recorded image in the stereo field by reducing phase shift and the parasitic effect often experienced in poorly built cables. Gotham Cabling is very expensive and boutique in nature and shouldn’t be considered a small addition to the WA-251 package.
Warm Audio WA-251 Tube Microphone Features
- Custom WA-12-B-60V edge terminated, dual-backplate, all-brass vintage CK12-style capsule
- CineMag USA output transformer
- JJ Slovak 12AY7 vacuum tube
- Gotham 5 meter GAC-7, 7-pin tube microphone cable
- Wima, Solen French, and Polystyrene capacitors
Warm Audio WA-251 Tube Microphone Specifications
- Polar Patterns: 3 patterns - Cardioid, Omni, Figure-of-eight
- Frequency Range: 20 Hz~20 kHz
- Dynamic Range: 125dBA
- Output Impedance: 200 ohms
- Maximum SPL: 132dB (<0.5% THD)
- Rated Load Impedance: ≥2kOhms
- S/N Ratio: 80dBA
- Equivalent Noise: 12dBA (IEC651)
- Power: External IEC grounded PSU
- Total Weight (Mic, PSU, shockmount, cables): 12 lbs
- Mic Dimensions: 247mm x 46mm
Warm Audio WA-251 Tube Microphone Includes
- WA-251 Microphone
- Wood Box
- Gotham Cable
- Full Manufacturers Warranty
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