
Handcrafted analog rotary DJ mixers and turntable weights from our own workshop in Bern
Varia Instruments GmbH
Ziegelackerstrasse 10, CH-3027 BernNew on Amplifa
About Varia Instruments
Varia Instruments GmbH is a small Swiss company from Bern, run by two technicians and music lovers. In the company's own workshop, fully analog rotary DJ mixers (RDM20, RDM40) as well as turntable weights (TTW10, TTW10H) are handcrafted to order, fully assembled and tested. The housings are made of powder-coated metal with sub-anodized printed aluminum front panels; the turntable weights are made of anodized aluminum or high-grade stainless steel with a solid brass core. The products are aimed at DJs, clubs and music equipment retailers. Production and quality control take place in Bern; shipping is worldwide (DAP) including customs clearance. Lead times of up to 12 weeks are possible.
- Site
- Bern
- Processes
- Handcrafted manufacturing/assembly of electronic devices (DJ mixer production from scratch in own, Powder coating of housings (industrial powder coated housing), Sub-anodized printing of aluminum front panels, Anodizing of aluminum (TTW10 aluminium body), Machining/CNC machining (TTW10H 'machined out of high-grade stainless steel'), Electronic testing and quality control ('every single value of its specifications is within…'), Handcrafting/Made-to-order manufacturing, Customized small-series production
- Materials
- Aluminum (sub-anodized printed faceplates, anodized body), High-grade stainless steel (TTW10H body), Brass (solid brass core TTW10/TTW10H), Aluminum, High-grade stainless steel, Brass, Powder coating, Sub-anodized printing
- Employees
- 2
- Industries
- DJ equipment/Audio electronics, Music equipment
- 01
Engineering/Product development
- 02
Machining of housings and components
- 03
Surface treatment (anodizing, powder coating, sub-anodized printing)
- 04
Electronics manufacturing and housing assembly
- 05
Testing and quality control
- 06
Worldwide shipping
Materials & Processes
Aluminum
Housings and front panels, sub-anodized printed or anodized (TTW10, RDM20/RDM40).
High-grade stainless steel
Housing body of the TTW10H Heavy Edition, machined.
Brass
Solid core in both turntable weights TTW10/TTW10H.
Powder coating
Industrial powder coating of the mixer housings for durable surfaces.
Sub-anodized printing
Printing of the aluminum front panels beneath the anodized layer for permanent labeling.
Location

Bern
CHWorkshop/Production
- Part weight / size
- 0,466–5,5 kg
- Lot size
- from 1 piece, small series
- Materials
- Aluminum, stainless steel, brass
- Hand assembly of electronic devices
- Machining
- Surface treatment (anodizing, powder coating)
Products



Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Handcrafted manufacturing/assembly of electronic devices (DJ mixer production from scratch in ownAssembly | – | 345 mm (RDM40 housing length) × 345 mm (RDM40 housing width) × 190 mm (RDM40 housing height) | 0.466 kg (TTW10) – 5.5 kg (RDM40) | 1 | Aluminum, Stainless steel, Brass |
| Powder coating of housings (industrial powder coated housing)Surface | – | – | – | – | Aluminum, Steel |
| Sub-anodized printing of aluminum front panelsSurface | – | – | – | – | Aluminum |
| Anodizing of aluminum (TTW10 aluminium body)Surface | – | – | – | – | Aluminum |
| Machining/CNC machining (TTW10H 'machined out of high-grade stainless steel')Machining | – | – | – | – | Stainless steel, Aluminum, Brass |
| Electronic testing and quality control ('every single value of its specifications is within…')Testing | – | – | – | – | – |
Additional services