atmasphere

Responses from atmasphere

I don't want to beat a dead horse but I'm bugged.
You posit they'll all sound the same,  apparently, you trust the measurements over human sensory perception. We need to be clear about something. You specified that the measurements would be the same, and I have to assume that includes all meas... 
Cartridge Loading.....Part II
The lower value 200 ohm vs. 47k ohms means more loading which tends to attenuate higher frequencies (because we hear things in terms of overall balance, attenuating highs can also  be perceived as more bass). If light loading is entirely added... 
5AR4 rectifier tube question
The rectifier tube shouldn’t make any difference in sound. ’Shouldn’t’ is why this statement is true; in practice the rectifier will affect the sound. This is because the rectifier has a voltage drop across it, which varies according to current... 
GaN amps: Peachtree or LSA Voyager?
My audio experience is quiet extensive, going back some 30 years before I was a partner in Audio Tweakers in the early 2000s. @tweak1 I don’t have a dog in this fight but if I can offer some advice? I’ve found personally that testifying to howe... 
I don't want to beat a dead horse but I'm bugged.
Ralph what you are referring to in terms of measurements is far removed from what we are presently being provided from these sites and their advocates. I would sincerely welcome legitimate and predictive measurements. @charles1dad ASR is actual... 
Competitive class D amp suggestions
Atmasphere class d amps can also be interesting. I did not find them on the site and have no idea on preferences made in their design. Neither i know if there are already completed models. Can Ralph provide  more detail?  I can. Its been the mo... 
I don't want to beat a dead horse but I'm bugged.
@atmasphere When I'm speaking of accuracy and it's association with color, I'm thinking about two components that measure exactly the same in every measurement undertaken. Now lets say those measurements are such that one was deemed to be an accu... 
Cartridge Loading.....Part II
Well, played many favorite records at 47k for awhile.  Didn't like it overall.  A little to bright, if that's a good analogy.  @quincy It is. If you experience brightness, IME this is because the phono section really isn't happy with RFI at its... 
I don't want to beat a dead horse but I'm bugged.
@charles1dad To my understanding the idea of tone color predates audio technology.  
I don't want to beat a dead horse but I'm bugged.
If we reach a point where sound quality can be accurately predicted by measurement I’d have zero resistance or issue with it. My point is acknowledging we are not remotely close to doing that now. Currently used measuring techniques seemingly ca... 
I don't want to beat a dead horse but I'm bugged.
I notice no takers on the accurate contention some objectivists maintain is optimal. How would this so called accurate system play with these recording colors? And that's a simple question to answer. Accuracy contentions in audio reproduction is ... 
I don't want to beat a dead horse but I'm bugged.
Many amplifiers on tested on Stereophile and ASR meet those criteria This statement is misleading IMO. Most fail requirement 1) of my prior post. If you look at the distortion amount and its spectra, you’ll find that most amps have distortion r... 
Is rectifier tube arcing a problem?
So far so good. I will keep observing. Maybe the amps are just more demanding on the tubes, and some of the old tubes I tried are just bad. @gte357s  The 5U4, being a directly heated rectifier, is a far simpler tube than a KT88 or like; I real... 
I don't want to beat a dead horse but I'm bugged.
It seems many amplifiers have lots of negative feedback and they have low distortion at 20Khz. I don't think it is back in the day any more. There are lots of amplifiers on Stereophile and ASR that have very low distortion at 20Khz. Lower than t... 
What's a good amount of time to have my preamp unplugged before I swap out tubes?
A minute is fine.