richardkrebs
Responses from richardkrebs
| Vintage DD turntables. Are we living dangerously? Fleib.The error resulting from record eccentricity is surprising.Take a small 0.5mm eccentricity on a 100mm radius and we get around a 1% error. (The tracking radius makes a difference)Nakamichi were on to something way back then. | |
| Vintage DD turntables. Are we living dangerously? Halcro.The TT-101 is a machine, a thing, nothing more. It, like all machines, is far from perfection. My objective comments, made as a result of properly interrogating all of the Feikert test data you provided, are in no way a reflection on its ow... | |
| Vintage DD turntables. Are we living dangerously? HalcroLook at the raw trace for the WE8000.Start at the first lower min freq, just above 3130 hz. Other than the max at around 3164hz, count every sharp change in direction until immediately before the next min of around 3130 hz again.I count 14. ... | |
| Vintage DD turntables. Are we living dangerously? HalcroThe Wilson does have speed feedback, don't know about the George.If you look at the George's raw trace, even though it is all over the place, it is quite smooth in comparison to the others and approximates a sine wave. This would imply a dif... | |
| Vintage DD turntables. Are we living dangerously? Halcro.Thanks for the tests. Do you have the companion numbers for each arm?I was interested in any consistent differences between the arms/carts, which could go some way to validating BT's ideas. There was nothing else in my request. As for Dover... | |
| Vintage DD turntables. Are we living dangerously? Fleib.Copied here the reference to wow and flutter from the ET2 Dampening trough owners manual.Food for thought. "WOW AND FLUTTERWow and flutter, FM distortion and surface irregularities in the LP should all be groupedtogether because, as we will ... | |
| Vintage DD turntables. Are we living dangerously? Halcro.I re-read my last post and realise that it could be misinterpreted. Clarification here...BT suggests that when accessing speed accuracy with a pivoted arm, the measured performance is inferior to the actual performance. This due to the geom... | |
| Vintage DD turntables. Are we living dangerously? Halcro.In the manual of the ET2 Bruce Thigpen claims that a pivoted arm contributes to wow and flutter due to its geometry. The TT-101 has exceptional figures in this area.Since you have a rig with 3 arms, it would be interesting to run 3 consecut... | |
| Nude Turntable Project HalcroHave you tried testing the resonance characteristics of the granite pipe?The material does have a tendancy to ring like a bell.Also by "identically situated" do you mean that you placed the Raven at the same place on the shelf as previously ... | |
| Nude Turntable Project HalcroIs there a secondary issue here?" ..a low frequency drone begins and then increases in volume.."Could there be acoustic feedback following the initial EMR problem?Cheers | |
| Vintage DD turntables. Are we living dangerously? HalcroCan you expand on the comment re VPI cutback in production of their DD TTI understood that they were selling well. It has certainly received good press.Thanks | |
| Vintage DD turntables. Are we living dangerously? LewThe rubber grommets look original.I will PM you a pic of the stator to compare with yours.Inserted in the centre of the grommets is a small metal tube stand off to prevent the grommet from being crushed when the bolt is tightened.There are also... | |
| Vintage DD turntables. Are we living dangerously? Fleib.To add a little more to your question. I took a lot of notes when upgrading a customers LO7D. One surprising observation is that the motor stator is rubber mounted via grommets. Such that it is possible for the stator to twist a little backw... | |
| Eminent Technology ET-2 Tonearm Owners Frogman.I agree 100%. IMO it is impossible to over damp, if our objective is to keep the piece of gear or part "still" and there are very few pieces of the audio chain that aren't meant to be still. It is however very easy to incorrectly apply mat... | |
| Eminent Technology ET-2 Tonearm Owners GeoffIt is up to you to decide the right or wrong of it.As I said earlier, and I was pulling my punches, lead shot has not been good in my experience.Solid lead, properly bonded to the parent material, is a different story however.Cheers |