Warm Audio WA273-EQ Dual-Channel British Mic Preamplifier + EQ
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WA273-EQ — Dual-Channel Class A Microphone Preamp With EQ
Iconic British Console Sound With Stereo Flexibility
The WA273-EQ is a professional dual-channel Class A microphone preamp that recreates the legendary sound of 73-style British console channel strips. Known for delivering rich analog warmth, punchy mids, and smooth top-end clarity, this sound has been the foundation of countless iconic recordings.
This classic tone can be heard on records by The Beatles, Led Zeppelin, U2, Kendrick Lamar, and many more. The WA273-EQ brings that legacy into a modern, reliable format.
The Perfect Balance Of Analog Character & Clarity
The WA273-EQ delivers unmistakable analog tone combined with clarity and control. With up to 80 dB of gain, a fully discrete signal path, and Carnhill transformers, it provides rich harmonic depth and musical detail.
The onboard 3-band EQ allows precise tone shaping directly during recording.
What You Need To Know
The WA273-EQ includes all essential features for professional recording:
- High-pass filter (50 / 80 / 160 / 300 Hz) for removing unwanted low-end
- Insert send/return for integrating external processors
- 48V phantom power
- Instrument (DI) and line inputs
- XLR and TRS connectivity
- Polarity inversion
- Output level control
- Tone button for transformer impedance variation
With two independent channels and dedicated EQ per channel, the WA273-EQ allows:
- recording multiple sources simultaneously
- stereo microphone setups
- independent tone shaping per source
Console-Grade EQ
Each channel features a 3-band inductor-based EQ:
- Low band: 35 / 60 / 110 / 220 Hz
- Mid band: 360 / 700 / 1600 / 3200 / 4800 / 7200 Hz
- High band: 10 / 12 / 16 kHz
UK-made Blore-Edwards dual-concentric potentiometers ensure precision and durability.
Technical Specifications
Type: Dual-channel Class A microphone preamp with EQ
Gain: up to 80 dB (stepped control)
Frequency Response: 20 Hz – 20 kHz ±0.5 dB
High-Pass Filter: 50 / 80 / 160 / 300 Hz
Inputs:
- XLR (mic)
- TRS (line)
- instrument DI
Outputs: XLR and TRS
Insert: TS send/return
Phantom Power: 48V
Polarity Switch: yes
LED Metering: yes
Ground Lift: yes
Power: IEC 115/230V
Chassis Depth: 11”
Form Factor: 19” rackmount
Components & Build Quality
- UK-made Carnhill input and output transformers
- Fully discrete Class A circuitry
- Hand-wired and hand-assembled
- Inductor-based EQ
- Premium-grade components
Carnhill transformers provide authentic analog saturation and classic British console tone.
Applications
- Stereo recording (vocals, instruments)
- Drum and guitar tracking
- Dual microphone setups
- Real-time tone shaping during tracking
- External processing via insert
Sound Character
The WA273-EQ delivers:
- 3D, detailed vocals
- powerful and punchy drums
- rich stereo guitars
- resonant string sections
- cohesive, “glued” mixes
Build Quality
Each WA273-EQ is meticulously hand-tested to ensure consistent, professional-grade performance.
Legendary Heritage
Original 73-style preamps have been used on recordings by Bob Dylan, The Rolling Stones, Foo Fighters, Green Day, Kendrick Lamar, and many more. The WA273-EQ continues this legacy with modern reliability and expanded functionality.
Review of Warm Audio WA273-EQ Dual-Channel British Mic Preamplifier + EQ
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