atmasphere
Responses from atmasphere
| Amplifier for Klipsch Cornwalls Most high efficiency loudspeakers get their efficiency from tight gaps and precise construction. As a result they are highly reactive and are over-damped with anything more than a very moderate output impedance from the amp.IOW, a tube amplifier w... | |
| Zero Autoformer good/bad for Atma/Quad combo Jwm, just for the record, all ESLs have an input matching transformer. So if you used a set of ZEROs with a transformer coupled amp you would be passing the signal through three transformers if you were using ZEROs. Even though we are an OTL manuf... | |
| Which tube monos? So many choices.Very intimidated FWIW the 2.2 ohm figure is not a problem for any tube amp because it is at higher frequencies and is not broadband. Its actually more of a problem for transistors that make too much power into that impedance! The rising impedance at low frequencie... | |
| low output mc: noise free listening possible? My experience has been that low noise is possible with tubes as well as transistors. You can do it by going fully differential. Contrary to Herman's comment balanced operation in fact offers you lower noise and immunity to artifacts in the interco... | |
| Using XLR for Phono out R_f_sayles, almost all phono cartridges are balanced sources. Many arms are too. The signal is converted from balanced to single-ended usually in the way the RCA cables are connected to the arm. That is why there is that weird grounding wire that ... | |
| Questions on switching to tube amplification The 2Ce's are very tube-friendly!! You won't have any troubles finding something to work with them. | |
| Cartridge Loading Dertonarm is absolutely correct on this one. BTW I have yet to see a MM that actually loads correctly at 47K. Most are more like half that and I have seen Grados that are closer to 10K. | |
| Can someone give me an explaination re: power amp. Neubilder, I'd be one of those! So far the most accurate speakers I have heard are 98 db 1 watt 1 meter. They go from 20Hz to 40KHz and have the same transparency and detail of the best ESLs but dynamic range no ESL or magnetic planar can hope for... | |
| The Hub: Futterman H3: Seen one lately? It was Cecil Hall that had the first Circlotron patent, although he did not call it that. BTW the Graaf amplifiers use the Hall approach which incorporates the driver circuit into the output section. The Wiggins amplifier got a patent also, and is... | |
| Quad ESLs with Tenor OTL amps The Tenor will work fine with the ESL63s insofar as power is concerned. The ESL 57s will be over-powered and the potential for damage is high if a tube fails. For the the newer Quad designs, you will have enough power but will find the ZEROs handy... | |
| cd player + preamp = too much gain With passive controls you want the control to be as high as possible to prevent coloration from the control and cables.Most CD players do indeed have too much output (as in- way more than is needed to clip any amplifier), and frankly, most fixed a... | |
| The Hub: Futterman H3: Seen one lately? Hi Bill, Just FWIW, our amps, other than being OTLs, are nothing like the Futterman amps. When I went into business making OTLs back in 1977, I rapidly found out that 'OTL' was equated with unreliable. At the time I knew very little about the Futt... | |
| How do you drive 12 Ohm speakers? Macrojack, that resistor likely would be in series with the output of a low impedance amp, not in parallel.Martykl makes a good point too :) | |
| single ended to balanced I've tried 3 and 4 wire connections for headphones- the 4 wire (balanced) definitely sounds better! | |
| Small monitor- made in the states A small monitor that is honest to 40 Hz, extremely fast and revealing and has a very wide sweet spot is the High Emotion Audio P-7. It is under a foot tall and is easy to drive with both tubes and transistors- it has a very flat impedance curve. I... |