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In Reply to: RE: that's a good photo posted by Palustris on October 24, 2024 at 15:06:22:
Good morning Palustris!
I don't know if you saw my last few posts, but I did tell Cougar about all of this.
But sense you asked, no.
The amp hummed, as soon as I unboxed it, and hooked it up.
The amp was made in 2008.
So there for, this amp is 16 years old.
I drove the amp via my iPad, and Earman Angel portable headphone amp/DAC.
I wanted to see what this amp sounded like, when fed DSD files.
Aside from that, my Presonus Quantom ES 4 audio interface, with the computer providing the digital audio signal.
And later on, my digital talking book player, with NLS cartrages that have 16bit, 44.1KHZ wave files.
But either way, I couldn't make the humming noise go away.
I did call and spoke to mark about it yesterday afternoon.
When I told him about the part where and when I removed the tubes, and still heard the humming noise, it stumpped him.
But I told him about that problem, sense he was the one that sold it to me.
I think he's gonna make arangements for me to send it back to him, so that, he can check it out.
But I also thought about something.
If the primary side of the output transformers are wired up wrong, wouldn't that be causing the humming noise problem too?
Thanks in advance!
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- RE: that's a good photo - john635@earthlink.net 01:42:48 10/30/24 (0)
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