Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated .

Average Price: $4,705

High-end/Boutique

$100

$501+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "Thermionic Culture Fat Bustard MKII". Prices shown reflect NEW condition. Tracking began Jun 2, 2026.

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Description

The Thermionic Culture Fat Bustard MKII is a versatile summation mixer designed for the discerning studio professional seeking unparalleled analog warmth and character. Nestled within the realm of boutique audio gear, this British-made unit distinguishes itself with its unique ability to enhance audio mixes through its all-valve design. The Fat Bustard MKII thrives in delivering a robust and harmonically rich sound, ideal for those who value the depth and texture that only high-quality tube equipment can provide.

This 16-channel summing mixer offers precise control over each channel with independent stereo width and bass to treble EQ controls. Its intuitive layout allows for seamless integration into any studio setup, making it a favorite among engineers and producers looking to elevate their audio projects. The Fat Bustard MKII also comes equipped with a "Spreader" control that further enhances the stereo image, creating a more immersive listening experience.

Engineered with audiophiles in mind, the Fat Bustard MKII embodies the essence of analog sound, delivering a sonic palette that is both warm and dynamic. Whether you're aiming to add subtle coloration or achieve a full-bodied mix, this unit offers the flexibility and tonal depth that professionals demand.

Key Features:

  • 16-channel all-valve summing mixer
  • Independent stereo width and EQ controls per channel
  • "Spreader" control for enhancing stereo image
  • Designed and hand-crafted in the UK
  • High-quality tube-driven circuitry for rich analog sound
  • Seamless integration into various studio environments

Product specs

Brand Thermionic Culture
Model Fat Bustard MkII Tube Summing Mixer
Finish Black
Year 2010s
Categories Audio Mixers, Consoles and Summing Boxes, Summing

FAQs

What is the primary function of the Thermionic Culture Fat Bustard MKII?

The Thermionic Culture Fat Bustard MKII is a tube summing mixer designed to combine multiple audio signals into a stereo output, enhancing warmth and character through its all-valve design.

How does the Fat Bustard MKII enhance audio quality?

The Fat Bustard MKII uses high-quality valve technology to add warmth and harmonic richness to audio, providing a classic analog sound that can enhance the depth and presence of your mixes.

Can the Fat Bustard MKII be used for mastering purposes?

Yes, the Fat Bustard MKII is suitable for mastering, offering precise control over stereo imaging and tonal balance, making it a versatile choice for finalizing mixes with an analog touch.

What connectivity options does the Fat Bustard MKII offer?

The Fat Bustard MKII features multiple input channels and stereo outputs, allowing seamless integration into professional studio setups for mixing and mastering tasks.

Does the Fat Bustard MKII provide any built-in EQ or effects?

The Fat Bustard MKII includes a bass lift and mid-cut EQ, allowing users to shape the tonal balance directly within the unit, adding flexibility to the summing process.

ThermionicCULTURE

ThermionicCULTURE

Thermionic Culture Fat Bustard Audio Demonstration

Video thumbnail for Thermionic Culture Fat Bustard Audio Demonstration by ThermionicCULTURE

Thermionic Culture Fat Bustard Audio Demonstration

ThermionicCULTURE

ThermionicCULTURE

Video thumbnail for Mixing vocals: Thermionic Culture Fat Bustard by Doctor Mix

Mixing vocals: Thermionic Culture Fat Bustard

Doctor Mix

Doctor Mix

Video thumbnail for Mixing Drums With The Thermionic Culture Fat Bustard by Doctor Mix

Mixing Drums With The Thermionic Culture Fat Bustard

Doctor Mix

Doctor Mix

Video thumbnail for Mixing Bass: Thermionic Culture Fat Bustard by Doctor Mix

Mixing Bass: Thermionic Culture Fat Bustard

Doctor Mix

Doctor Mix

Video thumbnail for FAT BUSTARD Thermionic Culture - Vocal EQ and STEREO IMAGE by Matteo Nolli

FAT BUSTARD Thermionic Culture - Vocal EQ and STEREO IMAGE

Matteo Nolli

Matteo Nolli

Video thumbnail for Frankfurt Musikmesse 2008: Thermionic Culture - Fat Bustard by Sound On Sound magazine

Frankfurt Musikmesse 2008: Thermionic Culture - Fat Bustard

Sound On Sound magazine

Sound On Sound magazine

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Thermionic Culture Fat Bustard MKII.

Features and functionality

  • The Thermionic Culture Fat Bustard MKII is appreciated for its tubes, which can be driven for saturation and include an 'air' EQ that adds character, though it may introduce some noise.

    Source
  • It’s noted that using summing mixers requires additional investment in necessary I/O interfaces and cabling to integrate into existing studio setups for real-time bouncing.

    Source

Comparisons

  • While Dangerous summing mixers are often seen as less effective, the Thermionic Culture Purple Bustard is noted for its tube-driven sound and unique EQ capabilities.

    Source

Use cases and applications

  • Analog summing mixers, including the Fat Bustard, are best used in workflows where users prefer analog saturation and character, particularly when mixing with external hardware components.

    Source

User experience

  • Owners caution that summing mixers, including the Fat Bustard, provide marginal improvements and should only be considered if you have a robust setup and expendable budget.

    Source

Value and pricing

  • The tangible benefits of analog summing boxes like the Fat Bustard are often debated, with many owners suggesting the expense might not correlate with the perceived improvements in sound quality.

    Source

5.0 out of 5

Based on 0 Reviews and 1 Rating

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Artist usage

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See how Noisia uses Thermionic Culture Fat Bustard MKII

Noisia

Music Producer

Noisia & Pacific

...
Verified via Photo

In an Instagram post, Noisia is seen using the Thermionic Culture Fat Bustard MKII, expressing excitement about testing the gear.

See how James Blake uses Thermionic Culture Fat Bustard MKII

James Blake

Singer, Keyboardist

...
Verified via Photo

In this podcast called Tape Notes - "TN:122 James Blake", James Blake mentions running the song "Life Around Here" though the "Thermionic Culture Fat Bustard MKII" at 00:14:10

Worth mentioning is that the correct version of this gear is a green limited edition version called Thermionic Culture Fat Bustard II LE.

See how Liam Howlett uses Thermionic Culture Fat Bustard MKII

Liam Howlett

Music Producer

The Prodigy

...
Verified via Theprodigy

listed in Liam Howlett's gear list

See how Lorn uses Thermionic Culture Fat Bustard MKII

Lorn

Music Producer

...
Verified via Photo

In this Instagram story, Lorn can be seen using the "Thermionic Culture Fat Bustard MKII" when showing off a new track he's working on.

See how Gareth Jones (producer) uses Thermionic Culture Fat Bustard MKII

Gareth Jones (producer)

Music Producer

Depeche Mode

...
Verified via Gareth Jones

"In my mix room at Strongroom I come out of Reference Quality Metric Halo Interfaces and Analogue Sum through the wonderful Thermionic Culture “Fat Bustard”. Tubes!"

See how D.Ramirez uses Thermionic Culture Fat Bustard MKII

D.Ramirez

Music Producer

...
Verified via YouTube

This item can be seen at 43:19 into this video.

See how Tensnake uses Thermionic Culture Fat Bustard MKII

Tensnake

Music Producer

...
Verified via Photo

moneyshot rack of death set up & ready for recording the next song !

See how Adrian Quesada uses Thermionic Culture Fat Bustard MKII

Adrian Quesada

Guitarist, Music Producer

Black Pumas

...
Verified via Photo

In this photo, which got posted on Quesada's Insatagram profile, one of the items that can be seen is the Thermionic Fat Bustard.

Album Usage

The Thermionic Culture Fat Bustard MKII has been featured on the following albums:

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Thermionic Culture Fat Bustard MKII, it is most commonly used with the following gear.

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