Audire is long gone, unfortunately.
Audire Diffet 1 hum
My Audire Diffet 1 preamp recently developed a hum audible through the speakers. Still sounds very good at volume, but probably like all of you, it bothers me. Could it be a transformer, capacitor or otherwise?
PS Audio had a nice article on isolating a hum, but didn’t mention the possibility of equipment. I guess my question is it probable that the problem is external to the preamp, like interconnects, or line voltage? (My other system doesn’t have a hum). Oh, and it produces a thump when the amp and preamp are turned off together (I don't do this anymore).
PS Audio had a nice article on isolating a hum, but didn’t mention the possibility of equipment. I guess my question is it probable that the problem is external to the preamp, like interconnects, or line voltage? (My other system doesn’t have a hum). Oh, and it produces a thump when the amp and preamp are turned off together (I don't do this anymore).
- ...
- 16 posts total
Post removed |
https://drive.google.com/drive/folders/1iabF03nHOOo5c5FKi6I9WhmZ-3XMlsrl See if you can open this. There is a little button cap right across the wall power in the preamplifier. If it is a capacitor, I'm hoping this is the issue. What do you think? |
Listen to the 60Hz Hum and then the 120Hz Hum. Does either of them sound like your hum? Also I forgot to ask you earlier, does the hum vary with the volume control? 60Hz hum https://www.youtube.com/watch?v=SVZ2P0KsLic 120Hz hum https://www.youtube.com/watch?v=QJUE32vEQNM 120Hz hum https://www.youtube.com/watch?v=pC4Uzt0qm2E . |
- 16 posts total