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About This Listing

The Warm Audio WA273-EQ is a dual-channel, Class-A microphone preamp and equalizer designed to provide up to 80 dB of gain and 3-band EQ for engineers, producers, musicians, and vocalists in mobile-recording rigs and home, project, and commercial studios. It features custom Carnhill transformers and is wired and assembled by hand to deliver the sound and functionality of classic British '73-style preamps.

Its inputs include balanced XLR and 1/4" TRS jacks and two front-panel 1/4" TS instrument inputs. Input impedance, polarity, ground lift, and phantom power are switchable. Connect an outboard compressor or equalizer via the 1/4" TS insert send and return jacks. Balanced XLR and 1/4" outputs are fed by output level controls and allow compatibility with most audio interfaces and mixing consoles. The selectable high-pass filter can be set to 50 Hz, 80 Hz, 160 Hz, or 300 Hz for management of unruly bass frequencies.
The inductor-based EQ boasts selectable frequencies and Blore Edwards dual-concentric potentiometers. The WA273-EQ is rack-mountable and occupies 2 RU.

Occupies 2 RU

Dual-channel, Class-A mic preamp and 3-band equalizer wired and assembled by hand

Created through years of R&D, careful reverse-engineering, and countless hours of auditioning

Designed to function and sound like a classic '73-style preamp

Fully discrete, transformer-balanced signal path

Custom Carnhill transformers saturate sweetly when pushed

Tantalum and polystyrene capacitors in the signal path and an output transistor choice that is smooth in high-gain settings

Stepped mic pre gain

Selectable low-frequency boost or cut at 35 Hz, 60 Hz, 110 Hz, or 220 Hz

Selectable mid-frequency boost or cut at 360 Hz, 700 Hz, 1.6 kHz, 3.2 kHz, 4.8 kHz, or 7.2 kHz

Selectable high-frequency boost or cut at 10 kHz, 12 kHz, or 16 kHz

Inductor-based EQ and high-pass filter

Blore Edwards dual-concentric EQ switching potentiometers

Balanced XLR and 1/4" inputs and outputs

Front-panel 1/4" TS instrument inputs

1/4" TS insert sends and returns

Output controls with 5-segment LED meters


Highlights


Mic, Line, and Instrument Inputs


Insert Sends and Returns


Balanced XLR and 1/4" Outputs


Up to 80 dB of Gain


Carnhill Transformers


Switchable Input Impedance


Selectable High-Pass Filter


Inductor-Based, 3-Band EQ


Phantom Power and Polarity Switches


Ground-Lift Switch


Condition
Brand
Model
  • WA273-EQ 2-Channel British Microphone Preamp / EQ
Finish
  • Raf Blue Gray
Categories
Year
  • 2010s

About the Seller

Red Beard Pro Audio

Walpole, MA, United States
(222)
Joined Reverb:2016
Items Sold:343

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