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Experience with AMR DP-777

Hi there, I'm fairly new to audiogon, but have been assembling high-end systems for about 15 years now. Recently bought an AMR DP-777 and swapped tubes and it killed my left channel the first time. I'm no stranger to swapping tubes (in DAC's and Preamps), so I was surprised this happened. I've read some other threads that this sort of stuff has been an issue with this DAC. Of course the DAC sounds, but I have two questions/points:

1) for those of you that have experience rolling tubes with this DAC, what is your procedure to make sure it does cause some any system failure with the unit?

2) second thing is I've sent the unit in for the SE upgrade and will be able to report back to you guys the difference/improvement in sound, as I know it's sonic signature very well
jsch123
sabai
2,027 posts
 
Jsch123,

I sympathize. I know what you are going through. I went through a lot with them. Yes, IMO, their marketing and customer service need a make-over. I don't think they are the most professional folks on the block.
jafant's avatar
jafant
19,717 posts
 
Welcome! Jsch123-

have you contacted AMR about your query?
I have some additional info / help if you need it.
Send me a PM. Happy Listening!
-JA
jazzonthehudson's avatar
jazzonthehudson
277 posts
 
Vacant, why not share that info with us?
fullrun
26 posts
 
I believe that there is something off in their service and commitment to their customers. I've become reticent to go the distant with them
fullrun
26 posts
 
I believe that there is something off in their service and commitment to their customers. I've become reticent to go the distant with them
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