Audioengine B1 Bluetooth Music Receiver connect Tube codec for iPhone playback

 

Technics SP10 mk2 ~ repair 33,45,78 rpm select button

                     replace J-K flip flop and other logic gate

Garrade 401 tonearm setup-1

 

Garrade 401 turntable tone arm setup

 

 

Condenser cartridge phono pre-amplifier

 

 

 

outside track

inner track 

 

outside track 

inner track

outside cartridge top view

inner cartridge top view 

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