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Professional Service for Vintage Hi-Fi Equipment from the 80s and 90s – Repairs, Restoration, Tuning and Precise Sound Calibration
"Saving the sound of the past"
Akai GX-625 Tape Recorder Repair - PAUDIOservice
Akai GX-625 in history and in practice – from a period original to a refurbished machine
The Akai GX-625 is one of the best-known higher-class reel-to-reel tape recorders from the early 1980s. Its honest mechanics, glass-crystal GX heads and solid specifications made it a popular device among more demanding home users. I got my hands on an original, previously unrefurbished unit in excellent condition. This gave me the opportunity to compare its sound and performance before and after a complete professional overhaul of the electronics and precise adjustment.
Renovation and overhaul of "beautiful old machines" as well as servicing of professional equipment, focusing on restoring original technical specifications and ensuring reliable operation while preserving authentic appearance and construction.
At PAUDIOservice, we provide professional servicing and expert repairs of HiFi equipment, focusing on Sony ES and ReVox brands. We service and renovate reel-to-reel tape recorders, turntables, and other audio equipment with the aim of restoring their original parameters, ensuring precise adjustment, and long-term operational reliability. We also specialize in technical modifications, modernization, and tuning of audio equipment for demanding users and collectors.
Our service includes detailed diagnostics of mechanical and electronic parts, measurement of operating parameters, adjustment of recording circuits, checking for head wear, tape path adjustment, and calibration according to factory specifications. We replace worn or non-functional parts, refurbish electronics, and adjust electrical characteristics according to the original service documentation.
We repair ReVox, Akai, Teac, Sony, and Technics reel-to-reel tape recorders and DUAL and Thorens turntables. We also service CD players, especially laser scanning units, mechanics, and electronics for Sony devices, where we perform diagnostics, replacement, and calibration.
We provide complete service interventions, measurements, renovations, and technical modifications, including the option of upgrading components to a higher quality level or installing specific modules according to customer requirements. We also sell spare parts and specialized accessories for the above brands.
Thanks to our long-term experience in the field of renovation, refurbishment, and tuning of HiFi equipment, we provide solutions for users who want to preserve the original technical characteristics of historical audio equipment while also requiring precise adjustment and current operational reliability.
AKAI GX-625
Pioneer RT-707
Sony TC-377
AKAI GX-620 Black
Technics RS-1500US
Pioneer RT-707
ReVox B-77 MKII
AKAI GX-77
Professional Service and Repair of Audio Equipment
"Reliably diagnoses and repairs audio devices so they play like new again – in full accordance with the original factory specifications."
We are a professional service based near Prague, specializing in the repair and maintenance of electronic devices from the 1980s and 1990s, primarily reel-to-reel tape recorders, CD players, and turntables. Thanks to our many years of experience with brands such as ReVox, Sony ES, Technics, Akai, Teac, DUAL, and Thorens, we provide expert servicing, precise adjustments, and renovations of historic hi-fi equipment.
We diagnose mechanical and electronic parts, adjust recording parameters, calibrate according to factory settings, check and assess head wear, and adjust tape tracks. We also focus on repairing CD players, including laser mechanisms and electronics, where we provide servicing, replacement, and readjustment.
Our activities include technical modifications, modernization and tuning, panel renovation, addition of specific modules, replacement of components with higher quality ones, and other service interventions that restore the original properties of the equipment and ensure its long-term operational reliability.
We also offer the manufacture and delivery of plastic covers for reel-to-reel tape recorders, spare parts, and specialized accessories. New RTM tapes for regular and archival recording are also available, allowing for the full use of the devices in current conditions.
We provide complete solutions for collectors and users of historical audio equipment who require the restoration, renovation, or modernization of older devices, including a return to their original parameters and current operational reliability. We perform renovations and technical interventions on both standard home devices and professional equipment.
Order our services or find out the estimated cost of repairing your device with no obligation
Write to us – within 48 hours a clear, comprehensible and tailor‑made solution proposal will be prepared!
Repair and diagnostics tailored to the actual condition of the equipment
Send a message or call for a proposal of the appropriate repair procedure and an estimated price based on the current condition of the equipment.
"Saving the sound of the past"