atmasphere
Responses from atmasphere
| Dreaming of a DIY 8W Class A amp designed by Nelson Pass? they alll seem somewhat sterile and lifeless. IMHO, they all need a tube preamp to warm them up@lou_setriodes Nelson understands the importance of lower ordered harmonics since you can't eliminate distortion altogether (this is a lot bigger topic... | |
| New Preamp arrived.... My vinyl setup is so much better! Ballsy sound for the most part. Would this indicate the active preamp is exposing the DAC (Topping D30) to be thin? @gochurchgoYes. This is a common comment vis a vis analog vs digital. The Topping is great for ... | |
| Who needs a Preamp?? My amps sit by my speakers allowing for short speaker cables. I find with shorter speaker cables the system has greater resolution. But I also find that having the front end of the system in an adjacent room also helps as there is less vibration (... | |
| Atma-sphere Updates @jtgofish Oh- that was from the thread I was originally thinking of when you first posted. Again, I saw photos online of a product that was held together with hot melt glue internally and commented on it. Such a product when dropped in shipment ... | |
| NUPRIME EVOLUTION ONE-BEST CLASS D AMP ON THE MARKET Class D r&d started back in 1958 then in the early 60's Sinclairs' Class D amps would blow up due to unstable switching, then as we know Spectron came out with a Class D amp in 1974 that made its way to CES with positive results. Class D am... | |
| Who needs a Preamp?? I suppose if I had to floor the accelerator to drive 55 mph, maybe I’d think the life was being sucked out of my driving. Then again, maybe I like 55. Nice and safe, good gas mileage… Is impedance matching an issue? Passive volume controls ... | |
| Atma-sphere Updates If memory serves @jtgofish is referring to a thread that was started by Roger Modjeski. On that thread Roger made some comments that required correction of fact. Any thread on a site like this is a public interaction; 'intrusion' simply isn't a t... | |
| How to get KT90s tested A resistor broke and a PS wire melted its insulation with smoke was the fail mode when I turned it on. It takes a bit of current to melt insulation on a wire! That suggests a short- I suspect the power tubes had nothing to do with it. | |
| What is the best premp for Atma-Sphere MA-1 3.3 amp? ^^Yes. | |
| KT 66 push pull vs 300B single end Yes.Push-pull amps, especially those that have a dedicated 'phase splitter' circuit, tend to make slightly higher distortion below a certain low level power. Usually this is about 5-7% of full power. Single ended amps tend to have distortion that ... | |
| What is the best premp for Atma-Sphere MA-1 3.3 amp? Of course, X350.5 is giving out 350W at 8 ohms in the frequency range where most music lives and is therefore much more powerful than MA-1. Then the question is whether I need 350W in the flat portion of the impedance/frequency curve if I don'... | |
| Who needs a Preamp?? The reason an active line section can sound better than a passive has a lot to do with interconnect cables. Passive controls have poor output impedance- usually quite high, which allows the interconnect cable to do its worst mathematically speakin... | |
| How to get KT90s tested @andrew31829 In the above post replace ’plate resistor’ with ’cathode or screen resistor’. But the idea that the tubes took out the power supply because they were bad and yet the power supply is rated to handle the higher powered KT120s doesn’t si... | |
| Recommend speakers for a large living room For something that size you'll need speakers that are easy to drive! | |
| What is the best premp for Atma-Sphere MA-1 3.3 amp? Room size is approx 16' x 26' with 10' ceilings. M-60's with Zero Autoformers (not enough power) Bricasti amplifiers as well as Merrill Audio Veritas and even tried the new Merrill Element 118's. There were other amps as well and again just cou... |