Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated .

Sweetwater
4.5 (6)
$449.00 $349.00 $100.00 · All time low
Guitar Center
5.0 (1)
$449.00
Reverb
5.0 (4)
$349.00 New
$275.00 Used
Musician's Friend
$549.00 $349.00 $200.00 · All time low
zZounds
5.0 (3)
$449.00
B&H
4.0 (1)
$449.00 $349.00 $100.00 · All time low
Thomann
4.7 (9)
$431.00
Gear4Music
£398.00
Vintage King
$449.00 $349.00 $100.00 · All time low

Average Price: $370

Budget/Beginner

$599

$2000+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Warm Audio WA12 MKII". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unlock vibrant, studio-quality sound with the Warm Audio WA12 MKII preamp, a must-have for musicians and recording enthusiasts seeking to elevate their audio game. Engineered to infuse your signals with warmth and depth, this preamp transforms ordinary vocals and instruments into rich, dynamic performances that pop in any mix. At the heart of the WA12 MKII lies the X731 discrete op-amp, inspired by the vintage Melcor 1731, delivering both clarity and a touch of classic saturation. Whether you're after a clean signal or a bit of character, this preamp adapts to your needs, offering a flexible sonic palette.

The WA12 MKII doesn’t just stop at providing high gain and low noise; it’s built with premium-grade USA CineMag transformers, ensuring pristine audio output. Its Tone button is your secret weapon for sonic versatility, effortlessly switching input impedance to tailor your sound without resorting to EQ. From delicate acoustics to powerful ribbon mics, the WA12 MKII has the headroom and adaptability to handle it all, making it a versatile addition to any studio setup.

Key Features:

  • Fully discrete design with 71dB of gain
  • X731 op-amp based on Melcor 1731 for warm and clean tones
  • Tone button for switching input impedance between 600 and 150 ohms
  • Premium USA CineMag input and output transformers
  • Supports XLR and 1/4" connections for versatility
  • Hi-Z input for instruments, including guitars and keyboards
  • Output attenuation for driving preamp and transformers into saturation
  • LED gain indicator for easy level monitoring

Owner's manual

Warm Audio WA12 MKII User Manual

Product specs

Preamp Type Solid State Mic/Instrument Preamp
Number of Channels 1
Phantom Power Yes
Pads -20dB
Polarity Switch Yes
EQ Tone impedance switch
Analog Inputs 1 x XLR (mic), 1 x 1/4" (Hi-Z)
Analog Outputs 1 x 1/4" TRS, 1 x XLR
Power Source Standard IEC AC cable
Height 1.75"
Depth 8.5"
Width 10.5"
Weight 0.99 lbs.

FAQs

What type of inputs and outputs does the Warm Audio WA12 MKII have?

The Warm Audio WA12 MKII features one XLR input for microphones, one 1/4" Hi-Z input for instruments, and offers both 1/4" TRS and XLR outputs, making it versatile for various studio setups.

Does the Warm Audio WA12 MKII provide phantom power for condenser microphones?

Yes, the Warm Audio WA12 MKII includes phantom power, allowing you to use condenser microphones that require an external power source.

How does the Tone impedance switch on the Warm Audio WA12 MKII affect sound?

The Tone impedance switch on the WA12 MKII allows you to alter the impedance, which can change the tonal characteristics of the connected microphone or instrument, providing more sonic versatility.

Is the Warm Audio WA12 MKII suitable for both microphones and instruments?

Yes, the WA12 MKII is designed to handle both microphones and instruments, featuring a dedicated Hi-Z input for direct instrument connection.

What is the purpose of the -20dB pad on the Warm Audio WA12 MKII?

The -20dB pad on the WA12 MKII is used to reduce the input signal level, preventing distortion when recording loud sources.

Sweetwater

Sweetwater

Warm Audio WA12 MKII Overview and Demo

Video thumbnail for Warm Audio WA12 MKII Overview and Demo by Sweetwater

Warm Audio WA12 MKII Overview and Demo

Sweetwater

Sweetwater

Video thumbnail for Warm Audio // WA12 - Tour and Demo by Warm Audio

Warm Audio // WA12 - Tour and Demo

Warm Audio

Warm Audio

Video thumbnail for Warm Audio // Introducing The WA12 MKII Black - Discrete Mic Pre by Warm Audio

Warm Audio // Introducing The WA12 MKII Black - Discrete Mic Pre

Warm Audio

Warm Audio

Video thumbnail for Warm Audio // WA12 - Hear how the Tone Switch Affects the Sound by Warm Audio

Warm Audio // WA12 - Hear how the Tone Switch Affects the Sound

Warm Audio

Warm Audio

Video thumbnail for Warm Audio WA12 MKII/WA-87 Bundle Overview | Full Compass by Full Compass

Warm Audio WA12 MKII/WA-87 Bundle Overview | Full Compass

Full Compass

Full Compass

Video thumbnail for I found the KEY to home studio recording!! | Unboxing the Warm Audio WA12 MKII by Wreck

I found the KEY to home studio recording!! | Unboxing the Warm Audio WA12 MKII

Wreck

Wreck

Reviews

PROS

  • Clean preamp with sweet saturation when input gain is pushed

  • Imparts warm, rich tone to vocals, enhancing depth and character

  • Versatile, handles wide range of vocal styles and instruments

  • Excellent signal-to-noise ratio ensures clean recordings

  • Solid build quality promises long-lasting durability

  • Front panel LINE IN is convenient for quick connections

  • TONE feature adds flexibility and character to recordings

  • Transformer-coupled design allows for creative sound shaping

  • Affordable price for professional-quality sound

  • Attractive design with standout color options

CONS

  • May not be the best choice for those seeking ultimate clean sound

5.0 out of 5

Based on 0 Reviews and 1 Rating

5 star
4 star
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1 star

Artist usage

Add artist
See how Andy Larocque uses Warm Audio WA12 MKII

Andy Larocque

Guitarist, Music Producer

Death (Metal Band)

...
Verified via Warm Audio

Quoted on the official product page.

“I've tried it on drums and guitar and I think the sound is awesome! I understand now when you say "Vintage API". Really good!”

See how Temu uses Warm Audio WA12 MKII

Temu

Singer, Music Producer

...
Verified via YouTube

Featured in this January 9, 2021 studio tour video at 3:10.

Genre Usage

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