SKU: 5635310843

Warm Audio WA-251 Large-Diaphragm Tube Condenser Microphone

Sale price$598.05 Regular price$664.50
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Description

Warm Audio WA-251 Large-Diaphragm Tube Condenser MicrophoneTrue Recreation Of A Studio Classic Revered For Warm And Balanced Tones Balance & Character The WA 251 is a true recreation of a studio classic revered for its warm and balanced tones. The WA 251 delivers the same sound profile of the original mic, easily considered to be one of the greatest condenser microphones ever created. Known for its natural, rich sound reproduction so often used on vocals and acoustic instruments, the original was used by a

True Recreation Of A Studio Classic Revered For Warm And Balanced Tones

Balance & Character

The WA-251 is a true recreation of a studio classic revered for its warm and balanced tones. The WA-251 delivers the same sound profile of the original mic, easily considered to be one of the greatest condenser microphones ever created. Known for its natural, rich sound reproduction so often used on vocals and acoustic instruments, the original was used by a long list of legendary vocalists including Adele, Ariana Grande, John Legend, Neil Young, Stevie Wonder, and many more.

A Studio Favorite For Warmth & Depth

The WA-251 captures natural sound with controlled bass and smooth high-end - just like the vintage 251-style microphones. Looking at the frequency response, the WA-251 essentially has an “always-on” 50 Hz high pass filter. With most usable bass frequencies running from 60-250 Hz, the WA-251 is a great choice for capturing lows and mids that sound “tight” in the mix vs. muddy or boomy. The 5-10 kHz dip in cardioid mode smooths out the highs to deliver a smooth top end that never sounds harsh.

Like the original 251-style mic, the WA-251 includes all the features that deliver a complete and professional recording experience.

The WA-251 uses a true reproduction of the CK12-style capsule in the original 251 tube mic. Perfect for recordings where vintage vibe is a must.

Three polar patterns (cardioid, omni, and figure-8) give you a variety of options to choose how you want to capture sound and reject noise.

The WA-251 uses a premium 12AY7 vacuum tube to complement the CK12-style capsule for smooth tone and vintage warmth without harsh high end.

The custom USA-made CineMag transformer drives the bold sound captured by the capsule, delivering the tight lows, present mids, and smooth highs out of the WA-251 circuit.

Technical Specifications

Product Description & External Specs

  • Large-Diaphragm Tube Condenser Microphone

  • Polar Patterns: Cardioid, Figure-8, & Omnidirectional

  • Gotham 5 Meter Gac-7, 7-Pin Tube Microphone Cable

  • External IEC Grounded PSU

  • Total Weight (Mic, PSU, Shockmount, Cables) - 12 Lbs

  • Mic Dimensions: 247mm X 46mm

  • Includes: Microphone, Wood Box, PSU, Shock-Mount And Gotham Cable

  • 5-Year Warranty


Components & Internal Specs

  • Custom Edge-Terminated, Dual-Diaphragm, 34mm, All-Brass CK12-Style Capsule

  • Cinemag USA Output Transformer

  • JJ Slovak 12AY7 Vacuum Tube

  • Wima, Solen French, And Polystyrene Capacitors

Performance Specs

  • Frequency Range: 20 Hz~20 Khz

  • Output Impedance: 200 Ohms

  • Maximum SPL: 132dB (<0.5% THD)

  • Rated Load Impedance: ≥2k Ohms

  • S/N Ratio: 80 dBA

  • Equivalent Noise: 12 dBA (IEC651)

  • Dynamic Range: 125 dBA

Polar Patterns

Cardioid Frequency Chart

Figure 8 Frequency Chart

Omni-Directional Frequency Chart


Components

Premium Components - Elite Build Quality - Superior Sound

CK12-Style Capsule

The all-brass CK12-style capsule provides the performance of the vintage original, by smoothing out the top-end and delivering a pleasing, rich tone to the transformer. Unlike later nylon iterations of this capsule, the WA-251 faithfully replicates the clear open top end of the original all-brass CK12 capsule.

Cinemag USA-Made Output Transformer

The WA-251 utilizes an American made CineMag USA transformer. CineMag has a rich history of manufacturing some of the most sought-after American-made transformers. CineMag products date all the way back to World War II (as Reichenbach Engineering) and were pivotal in creating some of the most legendary audio products in the last 100 years. This transformer helps provide the present top end and the LARGE bottom end one would hope to get from a 251-style condenser microphone.

Premium Tube & Capacitors

The WA-251 uses a premium 12AY7 vacuum tube that adds warmth and depth to the microphone’s signal. The WA-251 proudly uses polystyrene coupling capacitors, WIMA film capacitors throughout, and an imported Solen French capacitor on its output.

Hand-Tested, Elite Build Quality

Every single WA-251 is meticulously hand-inspected at Warm HQ in Austin,TX by real musicians and engineers with a passion for superior sound.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5635310843

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sylvia
Lowell, US
★★★★★ 5
Good pillow case
Color: Dark Grey, Size: 1 Pack Body(20x54)-Regular
It’s a nice soft pillow case. Fits perfectly on my body pillow
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Reviewed in the United States on May 18, 2026
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MJ
Bozeman, US
★★★★★ 4
Cooling and comfortable against your skin
Color: Navy Blue, Size: 1 Pack Body(20x54)-Regular
Fits perfectly and feels nice against your skin. Just wish it had a zipper on the end. That would have made it perfect.
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Reviewed in the United States on June 8, 2026
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Verified Purchase
LegoDude
Cuba, US
★★★★★ 5
I am stunned
Color: Black, Size: Queen(20x30)
I had no idea what to expect from these. But for as cheap as they were I was willing to just write it off of they weren't that good. I had already picked up a new memory foam pillow to replace my previous memory foam pillow that didn't do well with dissipating heat. This new pillow was fine by itself, but when I put my pillowcase on it, the properties that made it cooling were negated. I'd get a bit of sweat on the side of my head or my neck where it was against the pillow all night. The pillow was supposed to be a cool one, but the pillowcase was not. So I grabbed this set. Smooth, no loose threads anywhere, stitching and seams are all spot on. And it's smooth to the touch. Got it on the pillow, and as soon as I laid my head down on it, I could tell immediately that this was going to be a different result that my other one. Not nearly as warm even after laying on it for a while. No heat buildup, no bits of moisture on the skin after being on it all night. This definitely works well, especially with my cool sleep pillow. Now I can have a far more comfortable nights sleep. For the price, it's a steal. I have no idea what longevity will be, but with two of them, I'm sure I'll get more than my money's worth.
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Reviewed in the United States on August 7, 2023
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Mary Hales
Dallas, US
★★★★★ 5
Soft and cooling
Color: Dark Grey, Size: 2 Pack Queen(20x30)-Regular
Soft, not too thick and wash very well. Feels great against my skin and doesn’t make my hair frizzy. Color was perfect.
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Reviewed in the United States on May 13, 2026
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Issyr
Charlottesville, US
★★★★★ 3
Not soft, not wrinkle free
Color: Light Grey, Size: 2 Pack King(20x36)-Regular, Color: Light Grey, Size: 2 Pack King(20x36)-Regular
Not as soft as expected. Major WRINKLED after washer/dryer. Always use max heat on dryer. Not as described. Money wasted.
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Reviewed in the United States on April 30, 2026

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