First of all, a big thank you for using Klavis modular products.
Whatever your issue, ensure that you have the latest user manual to check wether the behavior or specs might be the reason for the result you observe.
For firmware upgradable products, always load the latest firmware; it might correct the very issue you're experiencing.
After these steps are covered, please write us with as many details as possible regarding what equipment is connected and the signals involved. Frequency range and amplitude information is very welcome.
For efficient support, please give preference to e-mail for communicating with us.

Discontinued products

About us

Klavis is a brand of Diagonal Electronics sprl, a company located and registered in Belgium, Rue de la Prose 6, BE-1070 Brussels.
VAT registration: BE 0713.905.944
For any inquiry please send us a mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


Klavis warrants its products to be free of defects in materials or workmanship, and conform to the specifications at the time of shipment for a period of two years from the date of purchase.
During that period, malfunctioning or damaged units will be repaired or replaced on a return-to-factory basis.
This warranty does not cover problems resulting from damages during shipping, due to faulty installation, improper power supply, abusive treatment or any user-related fault or negligence.
To obtain warranty service, you must first contact us to determine the problem so that we can find the solution most appropriate for you.

Long term support

Equipment needing repair out of the warranty period requires a written agreement before being sent to us.
Equipment sent to us without such prior agreement will not be repaired nor returned to the sender.
Charges for repair and shipment may apply.

Repair shipment

Products sent for repair under warranty or not must be adequately protected.
Products arriving broken due to improper packaging will not be repaired and the loss will not be compensated.

Inspiration technology to let you create the difference
Klavis Modular Systems
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©2019 Diagonal Electronics