Questions tagged [vacuum-tube]

A device controlling electric current through a vacuum in a sealed bulb, usually made from glass. Vacuum tubes are now less common, but they are used in high end guitar, bass and some other amplifiers.

Filter by
Sorted by
Tagged with
29
votes
8answers
6k views

Why do tube-based guitar amplifiers sound so good?

Is it just a cultural thing ("they've always sounded that way") or is there some basis in music theory for this?
31
votes
7answers
124k views

How do I know when it's time to change a tube on my amplifier?

I think this would be a wonderfully instructive question to people who are new to tube amplifiers. In short, how do I know that it's time to change a tube, and what's a good strategy for figuring out ...
5
votes
3answers
10k views

How to buy the “right” power attenuator for a tube amplifier?

I want to get a tube amplifier, but the tube amplifiers I fancy are generally at least 22W. I live in an apartment with thin walls, so I have to get it down to conversation/TV volume. This brings me ...