Warm Audio WA-251 Large-Diaphragm Tube Condenser Microphone

Warm Audio WA-251 Large-Diaphragm Tube Condenser Microphone

Warm Audio WA-251 Large-Diaphragm Tube Condenser Microphone

B&H # WA251 MFR # WA-251
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Product Highlights

  • Three Selectable Polar Patterns
  • Cardioid, Omnidirectional & Figure-8
  • Custom Brass CK12-Style Capsule
  • JJ 12AY7 Vacuum Tube
  • CineMag USA Output Transformer
  • Low Noise & Reduced Phase Shift
  • High Maximum SPL of 132 dB
  • 20 Hz to 20 kHz Frequency Range
  • Includes Premium Gotham 7-Pin Cable
  • Includes Wood Box, Shockmount & PSU
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Warm Audio WA-251 Overview

  • 1Description

The Warm Audio WA-251 is a large-diaphragm tube condenser microphone designed to provide the tonal characteristics of classic 251 microphones for vocalists, musicians, and recording engineers in home, project, and commercial recording studios. Thanks to three polar patterns—cardioid, omnidirectional, and figure-8—selectable from the included external power supply, its versatility allows it to excel on anything from close-up vocals to distant room sounds. It handles SPLs up to 132 dB with low distortion and noise, and produces a frequency response of 20 Hz to 20 kHz.

The custom CK12-style capsule features brass construction and a gold-sputtered, 6-micron Mylar diaphragm with a single backplate. Tone-enhancing components, including a JJ 12AY7 vacuum tube, an American-made CineMag output transformer, and WIMA, Solen, and polystyrene capacitors, have been carefully selected to impart vintage-flavored tone characterized by a present high end and prominent low frequencies. Even the 7-pin cable, manufactured by Gotham Audio in Switzerland, rises to meet the demands of high-resolution audio production. It ensures the integrity of high frequencies and minimizes phase shift between the microphone and the power supply.

The WA-251 is supplied with a wood box and a shockmount, which reduces rumble and decouples it from problematic vibrations.

Vintage-Style Microphone
Engineered to pay homage to the classic 251 microphone of the 1960s while standing out on its own; ideal for vocals, drums, piano, strings, guitar, bass, brass/woodwind instruments, and more
Custom Capsule
Custom, all-brass, edge-terminated WA-12-B-60V capsule with a 24kt gold–sputtered, 6-micron NOS PET film (Mylar) diaphragm offers the tonality of the classic CK12 capsule with the reliability of modern components
JJ 12AY7 Vacuum Tube
Slovak Republic JJ 12AY7 vacuum tube imparts a characterful frequency response and contributes smoothness to the circuit
CineMag Transformer
American-made CineMag transformer helps provide the present top end and the large bottom end typically desired from a 251-style condenser mic
Carefully Selected Capacitors
Carefully selected capacitors include polystrene coupling capacitors, WIMA film capacitors, and an imported Solen capacitor on the output
Premium Tube Mic Cable
Includes a premium Gotham Audio GAC-7 tube microphone cable, which enhances top-end presence and reduces phase shift
UPC: 860191002128
In the Box
Warm Audio WA-251 Large-Diaphragm Tube Condenser Microphone
  • Power Supply Unit
  • Shockmount
  • Gotham 7-Pin Tube Microphone Cable
  • Wood Box
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Warm Audio WA-251 Specs

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    Sound Field Mono
    Operating Principle Pressure Gradient
    Pressure Operated
    Transducer Condenser
    Tube Yes

    JJ Slovak 12AY7 Vacuum Tube

    Polar Pattern Cardioid, Figure-8, Omnidirectional
    Pattern Selection Switched
    Frequency Range 20 Hz to 20 kHz
    Signal to Noise Ratio 80 dB A-Weighted
    Equivalent Noise Level 12 dB A-Weighted
    Maximum SPL 132 dB SPL
    Pad None
    Impedance 200 Ohms
    Load Impedance 2 kOhms
    Low-Cut Filter None
    Dynamic Range 125 dB A-Weighted
    Output Connectors 1 x 7-Pin XLR
    1 x 3-Pin XLR

    Microphone: 7-Pin XLR
    Power Supply: 3-Pin XLR

    Cable Length 16.40' / 5 m
    AC Input Power 115 to 230 VAC, 50 / 60 Hz
    Length 9.72" / 247 mm
    Diameter 1.81" / 46 mm
    Packaging Info
    Package Weight 10.615 lb
    Box Dimensions (LxWxH) 19.2 x 14.1 x 5.7"

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