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Colotube stands for competent consulting, outstanding service,
and optimizing the acoustic experience at home.

Listening

Would you like to experience the unique and exclusive sound of a colotube vacuum tube amplifier? At our location in Lyss, Switzerland – half way between Biel and Bern – you may, by appointment, come and listen without cost or obligation. We do not offer an artificial 'sound' room but rather open up our living room for you to experience the sound in a realistic environment.

Replacement of the tubes

Within Switzerland, after you purchase our replacement tubes, we will deliver them personally to your home and install them for you at no extra charge. For international orders, the vacuum tubes will be shipped to you in a secure appropriate parcel.

Home service

At colotube we offer consultation before and after the sale. Within Switzerland we will deliver all products personally right to your home. We will assemble all the components and tune them to their best level and to each other. Finally, we will show you how to position and use the equipment ideally so that you can enjoy it for a lifetime. To experience a “concert feeling” in your home, it is vital to position every detail in the right order. But of course ... you already know that.

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