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Warm Audio WA273-EQ Dual-Channel 1073 Style Microphone Preamplifier and Equalizer

SKU: WA273EQ MFR: WA273EQ
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Key Features

  • Achieve pristine sound with this dual-channel microphone preamplifier and EQ unit.
  • Dial in the perfect tone using versatile EQ, ideal for vocals and instruments.
  • Experience low noise and high gain, capturing every nuance of your performance.
  • Shape your sound with selectable frequencies for precise audio sculpting control.
  • Enjoy robust build quality, ensuring reliability for studio and live applications.
  • Easily integrate into any setup with flexible connectivity options for your studio.
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Special Order?Estimated to Ship: 08/19/2025
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Warm Audio WA273-EQ Specifications

  • Number of Channels

    2

  • Frequency Response

    20Hz - 20kHz +/-.5 dB

  • Phantom power

    48V

  • Low Band Boost/Cut

    35, 60, 110, 220 Hz

  • Mid Band Boost/Cut

    360, 700, 1600, 3200, 4800, 7200 Hz

  • High Band Boost/Cut

    10, 12, 16 kHz

  • Polarity switch

    Yes

  • Power

    Internal IEC 115v/230v power inlet

  • LED level indication

    Yes

  • Width

    19" (48.26cm)

  • UPC Code

    713541493148

About Warm Audio WA273-EQ

Be at the forefront of audio excellence with the WA273-EQ Dual-Channel 1073 Style Microphone Preamplifier and Equalizer, a testament to Warm Audio's commitment to quality and innovation. Revered by professional engineers and audio enthusiasts alike, this dual-channel preamp captures the quintessential tone that has been the backbone of pop and rock records for decades. The WA273-EQ is not just a piece of equipment; it's a piece of history, meticulously crafted to honor the legendary British audio heritage.

The WA273-EQ stands out as a versatile and professional-grade tool, perfect for a wide array of recording and live sound applications. Whether you're capturing vocals, miking up acoustic or electric guitars, laying down bass lines, recording drums, or accentuating the nuances of orchestral instruments, this preamp and equalizer handles it all with finesse. Its compatibility with various microphone types, including condenser, dynamic, and ribbon, makes it a go-to choice for any sound source.

With an impressive 80dB of gain and a fully discrete signal path balanced by Carnhill Transformers, the WA273-EQ ensures that your recordings are imbued with the warm, sweet character that only a vintage '73-style mic preamp can provide. The hand-wired and hand-assembled construction echoes the meticulous processes of the past, contributing to the authentic British tone that audio gurus seek.

Warm Audio's collaboration with Carnhill Transformers of Cambridgeshire, UK, has resulted in the recreation of the most coveted early version transformers, known for their fluid and forgiving saturation. These custom transformers are a key element in achieving the sublime sonic quality that can bring a mix to life.

Attention to detail extends to the capacitors and signal path, with the inclusion of tantalum and polystyrene capacitors and a carefully selected output transistor that ensures smooth performance, even at high gain settings. The UK-made Blore Edwards switch-potentiometers in the EQ sections underscore the reliability and precision engineering of the WA273-EQ, offering military-spec durability and performance.

The WA273-EQ Dual-Channel 1073 Style Microphone Preamplifier and Equalizer is not just a boutique preamp; it's a robust studio and live sound workhorse, ready to elevate your audio to professional heights. Experience the unparalleled audio fidelity and versatility that Warm Audio is renowned for with the WA273-EQ, a modern classic in the making.

Warm Audio WA273-EQ Features

  • Dual Channel, Class A, '73-style British Microphone Preamp with EQ
  • UK made Carnhill Transformers
  • UK made - Blore Edwards EQ dual-concentric switch potentiometers
  • Hand Wired, hand assembled
  • 80dB of gain - resistor stepped gain switch
  • Fully discrete
  • TONE button - Changes input transformer impedance for varying tone
  • Polarity switch
  • 48v phantom power
  • Inductor based 3 band EQ
  • Low Band Boost/Cut - 35, 60, 110, 220 Hz
  • Mid Band Boost/Cut - 360, 700, 1600, 3200, 4800, 7200 Hz
  • High Band Boost/Cut - 10, 12, 16 kHz
  • Additional high band frequency EQ points added (compared to vintage 1073)
  • 4 position inductor based hipass filter - 50, 80, 160, 300 Hz
  • XLR mic inputs (front & back)
  • Line level TRS input
  • TS Send/Receive insert jacks
  • XLR & TRS line level outputs
  • Direct In, instrument input
  • Output control
  • LED level indication
  • Freq response 20Hz - 20kHz +/-.5 dB
  • 19" rackable
  • Internal IEC 115v/230v power inlet

Product Documents

User Manual

Key Features

  • Achieve pristine sound with this dual-channel microphone preamplifier and EQ unit.
  • Dial in the perfect tone using versatile EQ, ideal for vocals and instruments.
  • Experience low noise and high gain, capturing every nuance of your performance.
  • Shape your sound with selectable frequencies for precise audio sculpting control.
  • Enjoy robust build quality, ensuring reliability for studio and live applications.
  • Easily integrate into any setup with flexible connectivity options for your studio.