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Has buying and/or selling audio gear changed?
What difference does it make if it's $20,000 or $600 if you are not making a profit it shouldn't matter.  
Mastering legend Bernie Grundman explains why the measurement crowd has it all wrong!
Measurements aren't taken in the real world and the way the equipment is used, it's usually taken in isolation, not the system as a whole with music.  
Anyone has a reference system where amplification is SS ?
@yoyoyaya  different solid state devices sound different, but can still measure as transparent. There really is no transparent audio equipment.  
Anyone has a reference system where amplification is SS ?
@pennfootball71  how can a tube amp leak DC, when DC doesn't pass through an output transformer, which most tube amps have.  
buying (NOS) tubes online
@cherbib  Andy is the best for nos tubes, I've never had a bad tube from him, can't say that for other tube sellers even if they have a good return policy it's still a hassle.  
Another Golden Ear test.
Why would you need to pick an inexpensive padlock, when you can just break it with 2 7/8" open end wrenches prying against each other, easier than bolt cutters.  
What DAC chip does this Space-tech Lab use?
A call during business hours and Albert will answer all your questions. He always answers the phone or emails back within a few hours.  
Have you asked yourself this question?
Well done LP playback is a joy and LP's can be passed on to future generations. They have a provenance that streaming lacks. The streaming user has no way of knowing what generation was used, how the mastering was done.    This is not true, yo... 
Mastering legend Bernie Grundman explains why the measurement crowd has it all wrong!
The measurements only crowds is on par with the high-end price tag gear bragging crowd... The two  crowds ignore all embeddings controls and ignore especially acoustics which they reduce not even to room acoustic but to the purchase of few acous... 
Mastering legend Bernie Grundman explains why the measurement crowd has it all wrong!
Measuring needed to be at least DOZEN of times before cutting ONCE. That's the golden rule of measures.    What do you mean by this? Do you mean that the measurements must be taken multiple times?  I know a certain somebody that measures many ... 
How easily can you distinguish between different DACs?
@mijostyn  so you just choose the DAC that has the output stage built on the chip because it measures great, would you buy a preamp that uses an opamp output stage because it measures better than a discreet output stage?  
Ground Loop?
@erik_squires the luxman amps i have seen pictures of all have the the class2 insignia.  
Ground Loop?
@erik_squires  your luxman is up to NEC standards I assure you, it is internally grounded. You don't have to have an equipment ground to be NEC approved.  
300b lovers
Good to see someone designing this way, I see too much premature tube death from a lot of high end audio designs.  
Tube sound is not about warmth. It's about correct presentation.
Tubes sound better, (especially linear triode tubes) because they have less distortion than bipolar transistors or FETs. They might not have less distortion in circuit, but transistors need some kind of feedback and triode tubes do not. I also thi...