The source for recording the open reel tape was a vinyl. In this case I used one of my favourite highest quality record vinyl pressing. It was cut at half speed mastering by the Abbey Road studios.

I think that both are the
best quality sound we can find.

Audio
Tascam DR-40X

Vídeo
iPhone XI

Audio System
Pioneer RT-909
Accuphase E600
Parasound Halo JC3+
Transrotor Alto TMD
Transrotor Merlo MC
Jbl 4349

Audio and vídeo recorded separately