atmasphere
Responses from atmasphere
| Are all amps being built wrong? In an effort to solve the oscillation issue in his first prototype and which you noted, one thing Roger found is Futterman himself omitted some things from the H3 schematic, specifically the lack of notation for the ferrite beads @clio09 IMO t... | |
| A turntable that plays all types of music well Yes correct Lenco is idler drive but looking for non idler replacement that plays all genres wellIts quite simply impossible to design any audio equipment for a particular genre. There are no speakers, amps, preamps, cartridges, tonearms, CD playe... | |
| 100W+ solid-state amps known for beautiful mids The best part though? The Quad 405-2 cost me $400. I've generally had in my mind that price correlated with quality (though not ironclad), but this recent pick up is seriously challenging my beliefs.High end audio isn't about price, its about in... | |
| Are all amps being built wrong? Julius Futterman solved the tube amp feedback problem by eliminating the output transformer. His OTL amps can have 60 db feedback with low output impedance and low harmonic/IM distortion. Yet remain 100% stabile into complex loads! This stateme... | |
| Power conditioner some say yes and some say no. Power in watts is volts times amps. W=VA. This is only true if there are no phase differences between the current and voltage. If there is a phase angle involved (inductive load) things might be quite different. | |
| 100W+ solid-state amps known for beautiful mids @hedonism What you are looking for is an amp with the right distortion signature. The warmth of the Pass is caused by a 2nd harmonic for example- similar to a lot of tube amps. If you talk to Nelson you'll find he's very aware of how the distorti... | |
| Are all amps being built wrong? Aside from what i already wrote, here's also the practical issue. A low impedance, hgih current amp will drive anything. This isn't quite correct, just so you know. Try putting your amp on a Sound Lab ESL sometime. That speaker is 32 Ohms in the ... | |
| Drummers! Which amps do you use for best Timing & Dynamics? If you're looking for the best natural sound setup for drums, you need to go Planar, as in Magnepan. No other type of speaker can compete with the speed and transparency of a Planar speaker. Planars with permanent magnets won't be as fast as a... | |
| Are all amps being built wrong? He did but it wasn’t absolute. He added a little resistance so it behaved more like a tube amp. This means it was LESS like an ideal voltage source and MORE like a current source, but even then there are limits to how well this can ever be done... | |
| Are all amps being built wrong? The power amplifiers that drive our loudspeakers are mostly built as a low impedance voltage source. They have always been ... but why?Loudspeakers have a (greatly) varying impedance over the frequency range. A current drive amplifier would eli... | |
| Power conditioner some say yes and some say no. That absolutely does not happen with isolation transformers.As long as you don't run them past about 50% of their rated capacity. | |
| Can you run the HANA SL MC at 100 ohms? What makes this tricky to understand is that MM cartridges **are** affected by the loading values at audio frequencies. This is because there are so many more turns of wire inside them- they have much higher inductance. So there is confusion and t... | |
| Cartridge ISOLATION; What Say You? string quartet in the mastering room….what an idea….w both high speed tape and a really good ADC ( Wadia 17 ), imagine that….Or direct to disc. The simple answer is the device may compensate for some design flaws in lesser arms/tables and may cha... | |
| Can you run the HANA SL MC at 100 ohms? but the phonostage that needs loading down. Dave Wilson and Tom Evans (the Groove) believe in loading cartridges down. If you understand that its the phono section that's reacting to the resonance of the cartridge and tonearm cable, you're far mor... | |
| Anyone here using vintage speakers? My bedroom system is using a set of KLH Model 19s which are a small bookshelf speaker with dual 4" full range drivers. They image pretty well but no bass, but they do go low enough that it was no worries integrating them with a sub that rolls in b... |