Union Audio TWO.VALVE Rotary Desktop Mixer
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- This item is covered for 3 years
What you need to know
What you need to know
- Tube warmth and musicality: a rich and powerful analog character, designed for expressive mixes in the club or studio.
- 2 ultra-flexible channels: phono and line inputs on each channel for effortlessly mixing vinyl and digital sources.
- Premium control: Precision Alps rotary faders + Innofader crossfader for smooth, precise transitions.
- Professional connectivity: balanced Master XLR, 1/4" Booth jack, Record RCA and effects send/return loop.
Manufacturer Information
Union Audio
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Essential Information About the Union Audio two.valve Analog Rotary Mixer
- Tube warmth and musicality: a rich and powerful analog character, designed for expressive mixes both in clubs and studios.
- 2 ultra-flexible channels: phono and line inputs per channel for easy mixing of vinyl and digital sources.
- High-end control: Precision Alps rotary faders + Innofader crossfader for smooth and precise transitions.
- Professional connectivity: symmetrical XLR Master, 6.35 mm jack Booth, RCA Record, and send/return effects loop.
A Premium Union Audio Rotary Mixer, Between Analog Tradition and Modern Demands
The Union Audio two.valve belongs to the realm of high-end analog rotary mixers, with a sound signature clearly oriented towards the "club" vibe: presence, depth, and a tactile feel. Its precisely tuned tube circuit aims to preserve that classic warmth while meeting modern requirements (high output level, fine control, stability during long sessions). The robust metal chassis completes the package for reliable use, from club booths to demanding studio setups.
Who Is the Union Audio two.valve For?
This rotary mixer is designed for DJs who prioritize touch and musicality: house, disco, minimal, groovy techno DJs, selectors and vinyl diggers, as well as hybrid DJs alternating between turntables and digital players. In clubs, it excels for long, careful transitions, with precise gain staging and an organic sound. In the studio, it becomes a true analog color tool for recording sets, finely controlling EQ, and integrating external effects via the auxiliary.
Technical specifications
| Type | Analog | Number of faders | 2 |
| USB stereo recording / playback | No | Rackable | No |
| Construction | metal | Maximum output level | +27 dBu |
| Country of manufacture | United Kingdom | Headphone amplifier | with Split Cue and Cue/Mix functions |
| Inputs per channel | two phono preamps and two line inputs (RCA) | Universal headphone connections | 6.35 mm jack and 3.5 mm jack |
| Equalizer | 3-band high-resolution | Frequency response | ±1 dB from 20 Hz to 50 kHz |
| Rotary faders | Precision Alps | RIAA accuracy | ±1 dB from 20 Hz to 20 kHz |
| Crossfader | Innofader | Fader attenuation (cut) | greater than -80 dB |
| Auxiliary control | per channel, for effects, send/return via 2 x 6.35 mm jacks | Channel crosstalk | less than -75 dB at 1 kHz |
| Level controls | separate for the Master, Booth and Aux Return outputs | Dynamic range | 116 dB |
| Flexible output options | balanced Master XLR, 6.35 mm Booth, stereo Record RCA | Power supply | external switch-mode, 18 V DC, 30–40 W |
Questions frequently asked
Does the Union Audio TWO.VALVE support two turntables?
Each of the two channels features both an RCA phono input and an RCA line input. Therefore, a setup with two turntables can be connected, while still allowing the use of players or samplers on the line inputs.
What kind of sound does the tube circuit provide?
The analog tube circuit is designed to add warmth and body to the signal. The frequency response is specified at ±1 dB from 20 Hz to 50 kHz, with a dynamic range of 116 dB.
Can external effects be connected to this turntable mixer?
An auxiliary send/return section allows the integration of external effects. The Master, Booth, and Aux Return levels each have separate controls.
What audio outputs are available?
The Master output is available on balanced XLR connectors, the Booth output on 6.35 mm jack, and the Record output on stereo RCA. The maximum output level reaches +27 dBu.
Can the headphones be pre-cued in split cue?
The headphone monitoring includes Split Cue and Cue/Mix functions for track alignment. Two formats are available: 6.35 mm jack and 3.5 mm mini-jack. Illuminated analog VU meters facilitate visual level monitoring.



