Ant wrote: ↑Sat Jun 04, 2022 11:38 am.
So was the data wrong? No, it was incomplete, leading to the wrong conclusion on its projected performance
To me, that's sounds like a fairly accurate description of what's wrong in hi fi land ?
I would hazard a guess that the losses in all but the very best measuring equipment would also be a good start.
An extra cap in line is audible in my amps, or a carbon pot, ..so I'd guess most measuring equipment also doubles as up as a filter.
At a recent bake off I attended,
There where a couple of systems playing, both didn't play the background detail in the music very well.
One in particular, to my ears only played the 'tune' if you know what I mean.
Probably 15 dbs down, the music started to disappear.. but the sharp leading edges and tone lacked at everywhere.
That just confirms to me the real usefulness of whats actually measured.
The tube manual is quite like a telephone book. The number of it perfect. It is useful to make it possible to speak with a girl. But we can't see her beautiful face from the telephone number