2025 3Q the modify record

phono stage RIAA profile mofify

EP 7'' 45rpm

TC 45rpm EP 

LP 45 rpm

DAC's RIAA profile mofify

playback content~ YT rip to mp3 for test DAC's RIAA profile

https://www.youtube.com/watch?v=olFzozK9ric&t=10s

                                                                                     

  playback 1:34

LP-RIAAv1

JB AMI H200 phono RIAA profile mofify

JB AMI H200 amplifier modify

AMI H200 modify phono stage RIAAs/y89yzAourBs

                                    over 100M limited switch link to YT

                                                7/2 modify record

mp3-Dac-w-RIAAv2

Vinyle 45rpm

LP-modify-RIAAv2

TC 45rpm EP-RIAAv1

2025 2Q the modify record

 

Plasma

Lyric light

office table DAC Tube amp.

Disgauss tube amp.

AMI H200

2025 1Q the sound of Tube amplifier to modify record

 

office earphone tube amplifire modify

VT4C-211 tube amplifire modify

Lying on the sofa, it's too cold

 

memories

Office DAC DIY~3 for earphone amplifier...modify RIAA playback profile

 

reduce hum sound on vinyl playback pre-amplifier and vinyle phono stage

 

phono stage

static capacitor filter circuit

Jukeboxssss radar Title upper and bottom metal 3 piece~finish seal up radar top