Warm Audio WA-251 – Large-Diaphragm Tube Condenser Microphone

The Warm Audio WA-251 is a modern recreation of the iconic 251-style tube microphone, known for its smooth high end, detailed midrange and warm, musical tone. Designed for premium vocal capture, acoustic instruments and high-end studio recording, it brings vintage character and versatility to today’s production setups—available at Soundium.

Key Features

• CK12-style large-diaphragm capsule: Brass, gold-sputtered design delivers airy highs, full mids and balanced low end.
• Three polar patterns: Cardioid, omnidirectional and figure-8 allow flexible placement, stereo techniques and room recording.
• 12AY7 tube and CineMag USA transformer: Provide smooth saturation, harmonic richness and classic tube warmth.
• High SPL capability: Handles up to approx. 132 dB SPL for both vocals and louder instruments.
• Complete studio kit: Comes with shock mount, external power supply, 7-pin tube cable and wooden storage box.

Customer Benefits

The WA-251 captures the vintage tone associated with legendary studios while offering reliability and ease of use for modern recording. Its selectable polar patterns make it versatile for vocals, acoustic guitar, piano, strings and overheads. With high-quality components and included accessories, it integrates seamlessly into professional or project studios—available at Soundium.

Quick Specs

• Polar patterns: Cardioid, Omnidirectional, Figure-8
• Frequency response: 20 Hz–20 kHz
• Maximum SPL: approx. 132 dB
• Output impedance: 200 Ω
• Self-noise: approx. 12 dB(A)

What’s in the Box

• Warm Audio WA-251 microphone
• External power supply
• Shock mount
• 7-pin tube microphone cable
• Wooden storage box

Use Cases / Ideal For

Great for vocals, acoustic guitar, piano, strings, drum overheads, room ambience and stereo configurations such as Blumlein or mid-side.

Compatibility

Operates via the included external power supply. Connects through the supplied 7-pin cable to the mic body and outputs via standard XLR to any microphone preamp or interface.

Pros & Cons

✅ Pros:

• Classic 251-inspired tone with modern reliability
• Three polar patterns increase flexibility
• Includes full accessory kit for immediate use

⚠️ Cons:

• Tube design requires warm-up time
• Single-channel mic; stereo requires an additional unit

The Warm Audio WA-251 delivers expressive, vintage-inspired sound with modern engineering and a complete studio accessory set. A strong option for high-quality vocal and instrument recording—available at Soundium.