rabelais
Responses from rabelais
| Is there a optimum lenght for power cables? It's unlikely that shortest is best for power cords.Most power cords (PCs) passively filter high frequency noise (e.g., in the kHz to MHz range) by acting as a distributed capacitor. Here's how it works:A capacitor acts as a high pass filter. The ... | |
| DAC to Amps bypassing preamp: Opinions please If we view the audio signal, from its genesis as a 60Hz, 120 volt oscillating wave to its final transformation into mechanical energy in the speaker as something that is going from "closer to perfection" to "farther from perfection," then indeed i... | |
| Alpha-core advise? Right on, Unsound. You're right about the price jump from MI2 to MI3, but strangely, MI2 < 2 * MI1; e.g.8' MI1 = $99 + termination;8' MI2 = $172 + termination;8' MI3 = $424 + terminationAnyway. Re "Sean's opinion (for which I have great respect... | |
| Alpha-core advise? I'm running MI1 biwires from the 4 Ohm tap on a Music Reference RM-200 to VMPS RM-30s.Here's my understanding of Alpha-Core's MI offerings:MI3s offer twice the material (i.e., raw copper by weight) and half the resistance of MI2's, which in turn o... | |
| Preamp Deal of the Century From the pics it looks like two KT-88s per channel, for a total of four. I own a Music Reference RM-200, which generates 100+ Watts also using two KT-88's per channel. | |
| Do materials alter frequencies and speed? There is an implicit inference involved when one tests using pure sine waves, and then *infers* the results about audiophilic listening. It is probably best to remove this inference step, and--if one wants to make conclusions about what we perceiv... | |
| Preamp Deal of the Century Swampwalker, I understand that the buzz only happened after the Joule returned from repair, and I also assume from your answer to Bwhite that the Supratek does not do this with other amps, e.g. the Berning.If part of a circuitry has a weak ground-... | |
| the 4 ohm rating Thanks for the kind words. Quadophile, that’s an interesting twist; here’s how I see it:A typical dynamic driver is shaped like a cone with its top cut off--the large opening where it attaches to the speaker enclosure being the base of the cone an... | |
| the 4 ohm rating I do not know of a tight, simple relationship between speaker impedance and efficiency (or sensitivity)--in part because the terms are used as averages over a speaker’s entire performance range and a lot gets lost in the wash--but despite this, th... | |
| Why not more on 845 SETs? I thought this was a nice 845 page; all 4 chassis and 282 lbs of it: http://www.cognitivevent.com/av_monstro.html. | |
| Good 845 integrated Mastersound Reference 845 Integrato (http://www.mastersoundsas.it/inglese/index.htm). It's a parallel SET, which may be just what your speakers need, or not your purist cup of tea. (Their 300B has a remote--you'll have to ask about the 845). | |
| Music from hard drive better than CD? There is a nice doc by Jon Risch at : http://www.geocities.com/jonrisch/jitter.htm.I think one can partition what I shall call 'convenience' and 'sound reproduction' roughly to the transport (or source medium) and DAC respectively. Here's what I m... | |
| Music from hard drive better than CD? Hmmmm. Something is not right here.$50 portable CD players incorporate electronic antiskip mechanisms by reading ahead 5-10 seconds and storing the data in a buffer--and they are far from audiophile grade transports or players. The challenge of hi... | |
| Frequency Charts Perhaps surprisingly, there is considerably more variation to note/frequency assignment--continuing even today--than one may have initially imagined. See, for example http://www.uk-piano.org/history/pitch.htmland http://hypertextbook.com/facts/200... | |
| Low level res more inherent in tubes? See http://www.stereophile.com/reference/50 and links therein, e.g. http://www.stereophile.com/reference/50/index1.html. |