The MA-37 Microphone Origin - Sony C-37a Mini Documentary
19:53
David Royer talks about the Sony C-37A and his new MA-37 release
16:57
The Magic Behind Microphones: Mojave Audio Factory Visit
11:50
The $30 Crossover Upgrade For My JBL Studio 630
6:44
Jimi Hendrix On An Acoustic Guitar (only known 2 videos RARE)
11:56
Transistors: Making sound easier, smaller, and more efficient
2:44:38
The (Semi)Complete Denon-Griffin 700 Restoration Movie (Parts 1-11)
16:13
The Sony C37A tube microphone.
9:26