Friend's decoder(DAC) tube pre-Amplifier join to Audio gear play system

Friend's decoder tube pre-Amplifier join to Audio gear play system
System list...
Mr211 DAC tube pre-amplifier
CS8416 Spdif receiver x2 , coaxial x1
Codec wolfson WM8742
Tube 6922 EH gold

Mr211 Tube Amplifier
EH 12ax7 gold
6AQ5 SE

Mr211 Plasma tweeter
EH6c5Pi gold
6JM6
crossover 5Khz

Speaker vintage JBL4312

playback Autumn leaves

Playback Keith don't go

Playback 白安 是什麼讓我遇見這樣的你