Thorens TD124 motor pulley switch grid voltage 60hz to 50hz

 

before 60hz

 

                      tuning turntable speed by AC source

repair Garrade 401 turntable

 

             garrard 401 lever pivot washers broken can't switch speed

Grace G-565F Tone arm

 

Product name:  Grace G-565F *LONG*  static balance tonearm
Overall length: 365mm
Effective length: 285mm
Overhang: 15mm
Offset angle: 21゜
Tracking Error: < ± 1.5 °
Stylus pressure adjustment range: 0 - 3g
Cartridge/headshell weight: 0-20g (20-40g with additional weight)
 

Garrade 401check turntable speed

 

 

 

 

Garrade 401 0.204A,13.8W@100VAC,58Hz

 

 

Modify AC power source cooling fan , AC Transformer location, tunning AC frequency

 

 

 

 

 

 

 

 

 

 

Thorens TD-124 0.124A,8W@110VAC,58.3Hz

 

Technics SP10 mk2

Mechanical vinyl player Garrade 401

Set up AC power source for Mechanical vinyl player

Replace VT-4C 211 Tube for mono amplifier