Manufacture of tube amplifiers.

I specialize in complete service and maintenance of pianos and upright pianos. I offer tuning, adjustment, refurbishment, repair of mechanical defects, string replacement, cleaning, consultation when buying or selling an instrument and other services.

We manufacture, repair, restore and sell stringed musical instruments including accessories. We organize lectures in the field.

I specialize in the sale and repair of musical instruments, equipment and sound equipment. I perform piano tuning. I offer and edit MIDI Files XG and FX. I provide consulting services.

We offer repairs of musical instruments. Tuning and reconstruction of pianos and pianos, repairs of clarinets, saxophones, bassoons and flutes, accordions, guitars. String restringing.

I provide tuning and repair of pianos, upright pianos, spinettes and other musical instruments. I provide advice on buying or selling a piano. I offer concert and recording assistance, musical instrument maintenance, and minor repairs on-site.

I perform standard repairs, reconstruction and modifications of tube instrument and hifi amplifiers, also hybrid and transistor amplifiers by arrangement. Reconstruction of historical electronic equipment. Production of tube amplifiers according to your requirements. Repair and modification of effect pedals.

I repair, rebuild and service stringed musical instruments - guitars, banjos, mandolins, ukuleles and more. I also teach to play the above instruments.

We offer piano tuning and repairs, complete instrument service for elementary schools and other customers, assistance with instrument selection and sales, appraisals, etc.

We perform repairs and complete renovations of digital organs, as well as conversions to electric action for pipe organs. We manufacture our own digital organs and parts for them.

Offering piano maintenance and tuning including repairs to harmoniums and mechanical organs.

I offer piano and upright piano tuning, service, repair, sales, buyouts and piano and upright piano moving.

We perform all repairs of stringed instruments and repairs of strings (violins, violas, cellos, double basses, acoustic guitars, etc., repairs and restringing of strings).