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Rotary DJ mixers / Switzerland

Varia Instruments

Varia Instruments makes professional DJ equipment, including the RDM40 four-channel rotary mixer installed at Taberna Martha.

Design & approach

The RDM40 is a four-channel rotary mixer with three phono/line inputs and a fourth line/microphone channel. New Fidelity credits it at the centre of Taberna Martha’s DJ booth.

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Venue equipment records, including their original model uncertainties. Shared-system entries retain the full recorded context.

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Hear it in the rooms.

Equipment, commissions and collaborations.

Madrid / Spain

Taberna Martha ↗

Equipment in use

A Varia Instruments RDM40 rotary mixer is installed in Taberna Martha’s listening-room DJ booth.

  • Rotary mixer: RDM40

Inside the system

New Fidelity designed the distributed system, with Vunktion responsible for installation. Two Reference 12 three-way monitors serve the listening room, supported by a custom 10-inch subwoofer and six Ref 6 satellites. A Varia Instruments RDM40 rotary mixer forms the centre of the vinyl booth. The main pair establishes the dedicated listening area, while satellites extend coverage through the tavern. Acoustic ceiling treatment and decoupled speaker mounts connect the installation with the architecture of the bar and private dining room.

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Cali / Colombia

Macanudo ↗

Equipment listed

Varia Instruments equipment is recorded in this venue’s system. This does not imply that the manufacturer designed or installed the system.

  • Mixers: RDM40

Inside the system

Klipschorn AK6 loudspeakers form the main system, with a pair of Topping B200 monoblocks driving their midrange and treble. Bag End IPD12 subwoofers handle low-frequency support; LEA Connect 702 and Connect 354 amplifiers also form part of the installation. Klipsch Heresy IV speakers serve the upper level. Technics SL-1200MK7 turntables with Ortofon Concorde Club MKII cartridges feed a Swiss-built Varia Instruments RDM40 mixer. The design prioritises the dynamics of vinyl and stable stereo placement. Mogami Neglex W2534 signal cable, W3082 speaker cable and Neutrik connectors complete the wiring. Acoustic treatment is integrated into the listening space. The monitor designation is retained as “KL172 SMA RAW”; its precise revision remains unconfirmed.

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Paris / France

Yoyaku Record Store ↗

Equipment listed

Varia Instruments equipment is recorded in this venue’s system. This does not imply that the manufacturer designed or installed the system.

  • Mixers: RDM20

Inside the system

Yoyaku pairs a custom Martion loudspeaker setup with room acoustics by CNTRL Acoustics. Einhorn horn speakers and matching subwoofers form the playback system, tuned by Basil Martion, while a Varia Instruments RDM20 rotary mixer sits at the DJ end of the chain. Custom acoustic panels and room treatment complete the installation.

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Taipei / Taiwan

Quest ↗

Equipment listed

Varia Instruments equipment is recorded in this venue’s system. This does not imply that the manufacturer designed or installed the system.

  • Mixers: RDM40

Inside the system

JBL Everest DD55000 loudspeakers are paired with a Spectral DMC-12 preamplifier and Bryston 4B NRB amplification. The source equipment includes two Technics SL-1200MK5 turntables, a Varia Instruments RDM40 rotary mixer and a Revox B77 reel-to-reel deck, bringing records and tape into the room’s analogue programme.

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Minneapolis / United States

Small Hours ↗

Equipment listed

Varia Instruments equipment is recorded in this venue’s system. This does not imply that the manufacturer designed or installed the system.

  • Mixers: RDM20

Inside the system

Klipsch La Scala loudspeakers work with a Cary Audio SLI-80HS integrated valve amplifier. The source equipment includes Luxman PD-441 turntables and a HiFi Rose RS250A network streamer, with a Varia Instruments RDM20 rotary mixer.

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Ghent / Belgium

Gold Listening Bar ↗

Equipment listed

Varia Instruments equipment is recorded in this venue’s system. This does not imply that the manufacturer designed or installed the system.

  • Mixers: RDM20

Inside the system

Klipsch Cornwall III speakers are paired with Pass Labs amplification. The main record-playing setup includes a Linn Sondek LP12, Ittok LV2 arm, Ortofon MC Nr. 2 cartridge, Leben RS30EQ and McIntosh C45. The DJ booth has Technics decks, a Varia RDM20 and Graham Audio Chartwell LS3/5 monitors.

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Further reading