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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

Showing 4 responses by jsch123

jsch123 OP
4 posts
 
Note: got the official heads up yesterday that the SE is ready and kits are shipping. looks to include even more upgrades than previously. looks like Avatar will start working through the backlog within 1 or 2 weeks when the receive the kits.

this could be a good thing as the specs 'sound exciting'...but only question mark is price, this was left out of the notification...curious to see if there are any last minute surprises in comparison to the original 'estimate' way back when
jsch123 OP
4 posts
 
I put the AMR on an anti-static mat and wore the wristband in a marble floored kitchen during the swap. Was swapping in the Siemen Cca Grey Shields :)

I'm still waiting for the SE. Sent my unit in May for the SE still no word. Feeling pretty ripped off. My direct feedback about AMR marketing is that they are a bit shady...say one thing and don't deliver (and do this over-and-over) -that's shady in my book.

I wouldn't look into any secret intentions with AMR wanting us to buy the DSD, I think they're just slow and experimenting with building new caps and it's taking forever. And announcing and missing a new rollout date every 4-6 weeks is pretty amateur.
jsch123 OP
4 posts
 
Hi Kai, haven't got it back...just received two emails saying the parts were on their way and they'd reach out again within a week or whatever...they never did, but not surprised

never had a buying experience like this...imagine if a mechanic told you to send your car in and he'd have it done in 3 weeks for $750...after almost a year he hadn't done anything with it, and then reached out to you with a mass email saying it's almost ready and it's going to be $1500 now...that's the experience

so...i'll let you know once i know :)
jsch123 OP
4 posts
 
update: amr is gone...auditioned the berkeley dac series II and it beat it in just about every meaningful category.

if you're considering a tube dac check out totaldac, lampizator, audio note, jolida, and EAR. They all make outstanding tube dacs at different price points. or just get better speakers and the exaggerated DAC charade will become less important.
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