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Welcome to Callas-Audio

Callas-Audio was started in 1997 and is based on the wohnraumstudio concept. That was a rebellious action in the Netherlands at the time, and so we were one of the forerunners. A lot has changed in all those years, and nowadays the wohnraumstudio dealer and the direct-sales model have become commonplace. Callas-Audio represents brands that convey the message of music:

These brands originated from a personal quest for excellence and have a long history. A musical experience at home is about the essence; Phase accuracy, Time domain and Coherence are of great importance for long-term music enjoyment. The brands we carry offer intrinsic qualities, but have one common denominator: Keep It Simple. Callas-Audio has a number of branches:

Tubes4sale Recordclamp Callas-Aria

We offer a large selection electron tubes on the Tubes4sale page. We have been producing audio racks, soundboards and various accessories for about 25 years now, and the Callas Recordclamp is also a popular creation.
Callas-Audio has a well equipped workshop where repairs, restorations and modifications are handled. The Callas Specials shows some bespoke items and projects. The Callas Modkit was a long term project and these are sold out.

Callas Specials Callas Modkit

With kind regards; Rudolf R. Ploeger

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