Our hobby

Vintage HiFi
restoration and repair

Outside embedded development, we enjoy bringing classic audio equipment back to life. We do it for fun, in our free time. We try to keep the original character of each unit and replace parts where it is necessary.

Amplifiers and receivers

  • Replacing dried-out electrolytic capacitors
  • Repairing power supplies and speaker protection
  • Repairing output stages after a short circuit or overload
  • Setting the bias current and DC offset
  • Cleaning or replacing potentiometers, switches and connectors
  • Replacing dial and VU meter lamps, also with LEDs

Tape recorders

  • Reel-to-reel and cassette decks
  • Replacing belts, pinch rollers and idlers
  • Motor service and speed adjustment
  • Cleaning and demagnetizing heads, azimuth adjustment
  • Setting bias and recording levels for a specific tape
  • Repairing the transport, brakes and control logic

Tuners

  • Aligning the front-end and IF stages
  • Repairing and adjusting the stereo decoder
  • Repairing tuning, the dial and signal strength meters
  • Replacing dial lamps, also with LEDs
  • Replacing dried-out capacitors

Turntables

  • Replacing belts, servicing bearings and drives
  • Adjusting speed with a stroboscope
  • Tonearm setup: tracking force, anti-skating and height
  • Replacing and aligning the cartridge and stylus
  • Repairing the automatic mechanism and replacing wiring
  • Conversions from other mains voltages and frequencies, for example Japanese 100 V turntables

Do you have a piece that deserves a second life? Write to us

Contact

Tell us what you need to solve

A few sentences about your plan are enough. We will get back to you with questions or a suggestion on how to proceed.

Email tomas.urbanek@montyho.com Phone +420 602 681 051
Location Jasanová 187, 277 14 Dřísy, Czech Republic
Company Montyho technology s.r.o. Company ID 24230731 · VAT CZ24230731