Tube amplifier

Alan

I love Colin's amplifiers, but I rather like this tube amplifier... a great physics demonstration that's also fun (and rather good!)

cj66

Interesting effect, giant didgeridoo! Maybe more fun at other end

Docfoster

Alan said:

I love Colin's amplifiers, but I rather like this tube amplifier... a great physics demonstration that's also fun (and rather good!)

Only just caught up with this.
Brilliant.
Genuinely enjoyable!