Warm Audio WA73 Single-Channel Microphone Preamp

BH #WA73 • MFR #WA73
Warm Audio
Warm Audio WA73 Single-Channel Microphone Preamp
Key Features
  • Mic, Line, and Instrument Inputs
  • Insert Send and Return
  • Up to 80 dB of Gain
  • Output Level Control
The Warm Audio WA73 is a single-channel, Class-A microphone preamp designed to provide up to 80 dB of gain 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.
In Stock
$599.00

Warm Audio WA73 Single-Channel Microphone Preamp

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Warm Audio WA73 Overview

The Warm Audio WA73 is a single-channel, Class-A microphone preamp designed to provide up to 80 dB of gain 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 one front-panel 1/4" TS instrument input. 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 an output level control 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 WA73 is rack-mountable and occupies 1 RU.

Occupies 1 RU
Single-channel, Class-A mic preamp 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
Inductor-based selectable high-pass filter
Balanced XLR and 1/4" inputs and outputs
Front-panel 1/4" TS instrument input
1/4" TS insert send and return
Output control with 5-segment LED meter
UPC: 713541493155

Warm Audio WA73 Specs

Rack Height1 RU
Number of Channels1
Inputs1 x XLR 3-pin (balanced)
1 x 1/4" TRS (balanced)
1 x 1/4" TS (unbalanced)
Outputs1 x XLR 3-pin (balanced)
1 x 1/4" TRS (balanced)
Phantom Power48 V
High-Pass FilterOff, 50 Hz, 80 Hz, 160 Hz, or 300 Hz
Gain RangeUp to 80 dB
Frequency Response20 Hz to 20 kHz (±0.5 dB)
Equivalent Input Noise-111 dBu (unweighted)
Power Requirement115/230 V, 50/60 Hz
Dimensions (W x D x H)19.0 x 1.8 x 6.0" / 48.3 x 4.4 x 15.2 cm
Weight9 lb / 4.1 kg
Specialties1 x 1/4" TS insert send
1 x 1/4" TS insert return
1 x 5-segment LED meter
Switches for phantom power, polarity, impedance, input source, insert, power, and ground lift
Packaging Info
Package Weight10.15 lb
Box Dimensions (LxWxH)24.2 x 11.8 x 4"
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