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marco1

Responses from marco1

Denafrips FPGA Firmware Update
Found it!  He did not have the 12th version of the iris or T+.  So the upshot sounds like pre 12th versions the units were not compatible.  So Denafrips re-engineered and now they are.  Well that’s progress for you.  
Denafrips FPGA Firmware Update
@liangx5  Can't answer that.  Still trying to find what I read 🤔  
Speaker and Cable Suggestions Please
Prudent advise is always try to find your speakers first.  Then in due time think about different electronics, wires, etc.  otherwise I think you’ll find that you’re always chasing your tail.  
Luxman vs Accuphase for Harbeth 40.3 XD
ya I guess 9k isn’t bad but that 6k number you got would be so much nicer :-)  
USB DACs that outperforms OPPO 105D's internal DAC?
It’s not really a question of what under $1k dac will sound better than the oppo as much as what under $1k dac won’t sound better than the oppo.  One of the reasons I put off getting into serious streaming was the poor sq I got when streaming Tida... 
Any love for the Gentalex Gold Lion 12ax7 gold pin?
The Gold Lions have never impressed me.  Though I haven’t tried12ax7’s.  Typically I find that the one’s I have tried have no soul.  
Luxman vs Accuphase for Harbeth 40.3 XD
Glad the BAT is working out.  Your post has actually pointed me in a new direction I hadn't thought about before.  I'm now looking at pairing my new QLN''a with the BAT.  First though need to find another deal like you got :-)  
Denafrips FPGA Firmware Update
@liangx5  It was very interesting reading your results with' the iris and t+.  I recently read a review by another iris/t+ owner that had a different outcome.  I don't remember which update he did but after the update he sold his iris and went bac... 
Audio Research reference amplifiers used with RCA IC`s and unbalanced preamplifiers
I did the same.  My listening levels average 80 db with peaks in the low 90's.  It's tough getting old.     
Sweet sounding tubes for preamps
Take a look at an Atma-Sphere MP3.  Uses 2ea 12AU7 and 6NS7's in the line stage. I have one and use GE NOS tubes in both positions.  Its a wonderful preamp that will pair up nicely with many different amps, particularly balanced amps.    
Audio Research reference amplifiers used with RCA IC`s and unbalanced preamplifiers
Whoops just saw the preamps we not balanced.  Never mind.  
Audio Research reference amplifiers used with RCA IC`s and unbalanced preamplifiers
Wow, 85 db is very loud.  No wonder my wife is always yelling at me.  But going back to cables, if both the preamp and power amps are fully balanced you can use inexpensive balanced cables.  Mogami or something similar for no more than a couple hu... 
Speaker and Cable Suggestions Please
@diminishedchord check the Focal website and spec sheet for your speakers.  I believe it says your speakers drop to 2.9 ohms, which can be difficult for a tube amp to handle.  Do a search here for speaker impedance. Lots of info to digest and one ... 
Speaker and Cable Suggestions Please
Just checked specs for your speakers. Not an easy load.  They dip under 3ohm.  Not really a good match for tubes.  You’re probably loosing the lower octave of your music.  
Speaker and Cable Suggestions Please
Also in a small room you can easily get away with speakers under 90db so long as they’re any easy 8 ohm load and you’re not a head banger.  Mine are 87db and fine in a similar sized room.