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Summing Mixers

Summing mixers emerged as a solution to the poor in the box summing produced by early DAWs. Over the past couple of decades, many manufacturers have developed summing mixers, and while in the box summing has improved significantly, a summing mixer can still elevate a mix to a higher level of openness and clarity.

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Released in 2016

Dangerous 2-BUS+ Summing Mixer

The Dangerous 2-BUS+ is a 16-channel active analogue summing mixer offering three unique colour circuits for flexible tonal shaping, outstanding depth, and powerful headroom, with seamless integration of outboard gear and precise recallable control.
Dangerous 2-BUS+
Released in 2016

Thermionic Culture Fat Bustard II Valve Mixer

The Thermionic Culture Fat Bustard II is an all-valve passive input summing mixer with 14 inputs with 4 stereo inputs, 4 mono pan-able inputs and 2 ‘Aux’ inputs with a pan switch.
Thermionic Culture Fat Bustard II
Released in 2017

A-Designs MIX FACTORY Summing Mixer

The A-Designs MIX FACTORY is a 16-channel analogue summing mixer designed to enhance hybrid workflows with detailed imaging, analogue warmth, and flexible routing. Created by Tony Shepperd and Paul Wolff, it features gain, pan and mute controls per channel, transformer or transformerless output modes, insert points, linkability for expanded channel counts, and a robust external power supply.
A-Designs Mix Factory
Released in 2018

Tube-Tech SSA 2B Summing Mixer

The Tube-Tech SSA 2B is a 10 stereo input valve summing amplifier that brings warmth, depth, and clarity to digital mixes, featuring all-transformer balanced inputs and outputs, full valve amplification, and precise stepped output control.
Tube-Tech SSA 2B
Released in 2018

Radial Engineering Space Heater Summing Mixer

The Radial Engineering Space Heater is an 8-channel tube overdrive and summing mixer, designed to add analog warmth and saturation to recordings and mixes. Featuring adjustable voltage starve controls, dry/wet blend per channel, individual outputs, and a stereo summing bus, it delivers flexible tube-driven sound shaping and summing in a rugged 19″ rackmount format.
Radial Engineering Space Heater
Released in 2018

Thermionic Culture Purple Bustard Summing Mixer

The Thermionic Culture Purple Bustard is a 16-channel all-valve summing mixer featuring Attitude harmonic enhancement, high-end Air control, mono switching options, and a classic valve sound without solid-state harshness.
Thermionic Culture Purple Bustard
Released in 2019

Dangerous D-BOX+ Studio Controller

The Dangerous D-BOX+ is a high-quality studio monitor controller and analogue summing mixer in a compact 1U rack unit. It features an upgraded 8-channel summing mixer, five analogue and digital inputs, Bluetooth streaming, and app-based remote control. With three speaker outputs, dual headphone amps, and an integrated talkback mic, it offers versatile routing and precise monitoring. Built to audiophile standards in the USA, the D-BOX+ is designed for modern professional studios.
Dangerous D-BOX+
Released in 2020

Kahayan Epsilon 32-500 Summing Mixer

The Kahayan Epsilon 32-500 is a 32-channel 500 series summing mixer with dual mix buses, integrated 500 series slots, and advanced routing options designed for modern hybrid studios.
Kahayan Epsilon 32-500
Released in 2020

Kahayan Epsilon Limited Summing Mixer

The Kahayan Epsilon Limited is a 16-channel analogue summing mixer with a Class A output stage and stereo insert, offering a transparent yet harmonically rich sound for hybrid mixing.
Kahayan Epsilon Limited
Released in 2021

Rupert Neve 5057 Orbit Summing Mixer

The Rupert Neve 5057 Orbit is a 16 x 2 summing mixer that delivers the classic tone, depth, and clarity of a Rupert Neve console in a compact 1U format. Featuring custom transformers, Silk Red & Blue modes with Texture control, and precise channel matching, it enhances in-the-box mixes with analog warmth and dimension.
Rupert Neve 5057 Orbit
Released in 2022

Dangerous 2-Bus XT Summing Mixer

The Dangerous 2-BUS-XT is a 16-channel active analogue summing mixer featuring two assignable colour circuits for harmonic enhancement and expanded sonic depth. Built for wide imaging, massive headroom, and effortless integration, it is hand-built in a compact 1U rack.
Dangerous 2-Bus XT
Released in 2023

Phoenix Audio Nicerizer 16 Mk2 Summing Mixer

The Phoenix Audio Nicerizer 16 Mk2 is a 16-channel Class A analogue summing mixer with transformerless inputs, transformer-balanced outputs, individual pan controls, stereo width adjustment, and extensive monitoring options, all housed in a 2U rackmount format for high-end hybrid workflows.
Phoenix Audio Nicerizer 16 Mk2
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