
Welcome to SPECTRI, the noise and vibration specialists.
Are you looking for a healthier acoustic environment? Are you looking for consultation and expert services in the field of noise and vibration? Do you have questions regarding acoustics and vibration diagnostics?
You have come to the right place!
Since being founded in 1998 by Eng. Boris Mihaylov until now, we have earned our reputation of being the leading center of expertise in Bulgaria in the field of noise and vibration.
SPECTRI is proud of our expert know-how, our high standards of work, and our excellent customer service.

It is our great honor and responsibility to have been granted the right to exclusive representation of the world leader in the field of noise and vibration - Bruel & Kjær
SPECTRI are certified exclusive representatives and distributors (with warranty service) of the products of leading world manufacturers: Hottinger Bruel & Kjær, Brüel & Kjaer Vibro, Envirosuite, Instantel, SoundEar A / S, Connection Technology Center.
You can also rely on us for at least 10 years of post-warranty service for all products and systems provided by us.
Our clients receive fast, high-quality, and comprehensive service. The mobility of our team also guarantees our timely visit to sites in different parts of the country.
We are the preferred partner and solution provider for leading companies and institutions.

Portfolio:
• Equipment, systems and program software in the field of measurements, analysis, noise control, vibrations, process parameters, gas emissions
• Vibrations, process control and testing of the machine condition systems
• Equipment in the field of environment, hygiene and safety
• Production quality control systems
• Equipment in the field of telecommunications and specialized acoustic applications
• Calibration and testing systems
• Sensors and systems for measuring and monitoring of air velocity, temperature, humidity and others.
• Balancing machines
• Балансиращи машини
Engineering services
• Projects, installations and measurement, control, analysis and vibration and noise reduction project consultations
• Diagnostics, expertise, conclusions, balancing services and others
• Laboratory testing, sensors calibration, noise and vibration transducer measurement systems
• Consultations on ensuring intra company quality control, traceability measurements, metrological assurance
• Quality control consultation activity, measurements traceability, metrological assurance
• Organization of seminars, symposiums, courses, training and information about the latest achievements in the field of noise and vibration