The first full day at the ETF is coming to it's end and I still have not seen everything. I just discovered another room full of hardcore DIYers hidden in the basement.
Soldering away late at night. fully concentrated and deeply immersed in the work.
The density of Fluke DVMs is astonishingly high.
Here all kinds of tubes can be tested.
Not exactly sure what kind of power supply this is:
But it certainly looks way cool.
A vintage Revox reel 2 reel:
Aaah, this is what 'book shelf speaker' means:
Open amps everywhere:
Easy access to the crossover for tweaking:
Also nicely finished amps:
Looks isn't everything:
But the sound: