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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 3 responses by jazzonthehudson

jazzonthehudson's avatar
jazzonthehudson
277 posts
 
This unit is sensitive to ESD so wear a discharge wristband or, if you don't have one, make sure you ground yourself and don't pick up any charge ( e.g. walk over carpets). The NOS tube upgrade is worth it!

I am also a bit disappointed about the extended wait for the upgrade. Or does AMR want us to buy their DSD version?
jazzonthehudson's avatar
jazzonthehudson
277 posts
 
Vacant, why not share that info with us?
jazzonthehudson's avatar
jazzonthehudson
277 posts
 
6 weeks ago the price was $1,200. Darren of Avatar needs to decide if he want to invest in a long term relationship with AMR as a real distributor and stop squeezing the market with his short term / short sighted approach (more like a bad dealer), a behavior that I have heard from many users here in the US. Maybe Vincent (AMR in UK) needs to be briefed on this. IMO the upgrade, though relevant for all those not requiring DSD, should be marketed sub 1k to stay competitive or AMR should just do the next release before mid 2015 with an upgrade path like PS Audio.
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