DOUK AUDIO ST-01 Pro amplifier performance tests with teardown
31:56
Теплый ламповый звук на гибридном усилителе D класса Nobsound ST-01 PRO 100W
10:04
What's inside The Douk Audio ST 01 Pro. Deep look and tests.
17:45
Fixing the LM3886 stereo amplifier oscillation problem
15:03
I'm Shocked by this Comparison
5:19
Build a discrete all-transistor RIAA phono preamplifier.
10:13
This preamp is WEIRD (and wild!)...
25:53
真空管デジタルD級プリメインの実力を見た。AIYIMA T9 PRO
17:29