lewm
Responses from lewm
| Vintage DD turntables. Are we living dangerously? Geoff, I would have thought that "EMI absorption" is but a more concise term for "low frequency magnetic field absorption". Especially since my reading also tells me that the forte of mu metal as a shield is to block or contain EMI, rather than R... | |
| mc cartridge loading The 10X Rule is important mostly for achieving a flat frequency response within the audio frequency range (up to 20kHz), when two amplifying elements (e.g., preamplifier and amplifier, CDP and preamplifier line input) are in tandem; the input impe... | |
| mc cartridge loading Right now, on two different turntables, I have set up a Koetsu Urushi, in one case, and an Ortofon MC7500, in the other, both looking at a 47K load. Sounds really good, but not necessarily better than into, say, 1000R or even 100R. (I do think I... | |
| Vintage DD turntables. Are we living dangerously? Aaarrrggghhh. You’ve done it again, DDrive. Stop already with the "motor vibrations going up into the spindle". This is not really a problem with a direct-drive turntable. As I mentioned on the other thread, DDs are subject to bearing noise, just ... | |
| Best platter mat, especially for DD turntables Ddrive, I am sorry to hassle you, but you are incorrect in drawing any distinction between the SP10 Mk3 and the Mk2 (each of which I either own [Mk3] or have owned [Mk2]), when it comes to motor "noise". The distinction you make between the two i... | |
| Best platter mat, especially for DD turntables Ddrive, I beg to differ with your premise: "Especially for DD turntables where you have the motor directly connected to the spindle (in most designs though there a few that are decoupled), it makes sense to decouple not only the platter but the s... | |
| mc cartridge loading Not worth the effort if you are talking about the difference between 100R and 90R. However, when the manufacturer says "at least", that implies that higher resistances (less of a load on the cartridge) might sound even better than 100R. Whether y... | |
| How many grams weight for mm cartridge? Every source I was ever able to locate suggested 1.5 to 2.0 gm for the Grace Ruby, and both of mine, one re-tipped by SS and the other still with its original elliptical, track best at about 1.6gm. So, I cannot imagine that this model would track... | |
| Trafomatic Audio Luna LCR phonostage Tom, I think I said this before, but judging from your follow-up post, you did not "receive" my message. I keep an open mind on transformers in audio. I don't necessarily think interstage transformers are "bad", but perhaps that is the audio tra... | |
| Trafomatic Audio Luna LCR phonostage And I think it's a mistake to think that any particular topology is per se going to sound great regardless of who designed it and regardless of parts quality. In your case, you got chokes made by Dave Slagle, i.e., the highest quality I can imagi... | |
| Trafomatic Audio Luna LCR phonostage Pani, Also, prepare yourself for the onslaught of the Herron-lovers. There are many of them here, so many that I don’t doubt its excellence. Keep in mind that the Herron uses an "old fashioned" CR type of RIAA correction and no transformers in the... | |
| Trafomatic Audio Luna LCR phonostage Pani, I think I was misunderstood. I did not mean for my comments to imply that transformer-coupling cannot work well and sound great. My point was that using a SUT between a LOMC cartridge and a phono stage per se limits the impedance with which... | |
| Trafomatic Audio Luna LCR phonostage The Luna is an interesting product that I have not seen before. It must be a new model, because I had been intrigued by their earlier phono circuit which used a pentode as phono input tube, and RIAA correction was accomplished by a circuit locat... | |
| Durand Kairos vs Reed 3P : listening impressions I have experience with a Reed 2A (red cedar, 10.5") in my system and with a Talea2 in my neighbor's system. The design espoused by these two companies is quite similar and both owe a lot to the Triplanar, save for the use of wood for an arm wand,... | |
| Upgrade Opinions, Thorens vs VPI I don't get it. The first job of a turntable is to spin the LP at accurate speed and then to hold speed despite any effects of stylus drag, etc. What I don't get is how any turntable that fails noticeably (a big qualifier) in these tasks is accept... |