richardkrebs
Responses from richardkrebs
| Eminent Technology ET-2 Tonearm Owners KetchupI should have added. The lack of the arc feature is not a big deal for me since I don't change carts often. Others who do, would find this feature helpful. | |
| Eminent Technology ET-2 Tonearm Owners KetchupNo it doesn't incorporate the arc on the VTA adjustmentI didn't have the machining technology to do this back thenI tune in the approx VTA then check alignment. Then final fine adjustment of VTA and recheck alignment again.The new arm will ... | |
| Eminent Technology ET-2 Tonearm Owners ChrisYes various magnets tried in..,...completely original ET2 , ET2 with fixed counterweight. My manifold with and without lead slug. All iterations also tried at wand and counterweight end. ( not both ends simultaneously )All tests done at 12 ps... | |
| Eminent Technology ET-2 Tonearm Owners There is a sound engineering reason to put any mag dampening to be at the wand end of the spindle. Since the mag tends to resist spindle movement, it acts as a pivot for any non axial spindle motionSince the cartridge is at the end of the wand and... | |
| Eminent Technology ET-2 Tonearm Owners ChrisI initially used one fridge magnet then went to multiple fridge mags. Finally using Neodymium before abandoning the idea. I tried first at the counterweight end then transferred to the wand end. There are differences. Now the reasons for that... | |
| Eminent Technology ET-2 Tonearm Owners Dover.I pretty much agree with everything you say. Where we diverge is in the sublties. It is easy to add too much mass in the horizontal plane. I went there in my tests. The trick is finding a compromise point. Dynavector put the reason for high ... | |
| Eminent Technology ET-2 Tonearm Owners Chris. Thanks for the comparison notes. I now have a clear picture of the differences. The Dynavector arms have always been fascinating to me due to their radical design. Magnetic dampening and for a pivoted arm the unusual idea of deliberately di... | |
| Eminent Technology ET-2 Tonearm Owners ChrisMy apologies if this has already been covered in the thread, but can you tell us the sonic differences between the ET2 and ET2.5Many thanks | |
| Eminent Technology ET-2 Tonearm Owners Chris.While I have built a number of BD turntables, they all employed pivoted arms. The eddy currents induced by the magnet are everywhere within the spindle since it is conductive, so having the magnets at the opposite end to the wand does not ta... | |
| Eminent Technology ET-2 Tonearm Owners Dover.Magnetic dampening will vary with the speed of horizontal motion..... so does pure mass. The formula F=Ma you quoted in another thread confirms this. Try shaking say a 1kg weight backwards and forwards at 0.55 hz (record hole centering error... | |
| Eminent Technology ET-2 Tonearm Owners Chris.Thanks for the offer but I must respectifully decline. I am just dialing in my Shelter and newly renovated enlarged room. More distractions, while delightful, are unfortunately just too much for now. re my building a new arm. The design woul... | |
| Eminent Technology ET-2 Tonearm Owners Chris.No I have not measured these forces and would be very interested to read Bruce's comments on same. I assume it is a big file, so can I ask you to email it to me at the contact address on my web page, if not too much trouble. Or if appropriat... | |
| Eminent Technology ET-2 Tonearm Owners KetchupYes your shim idea is a good one. I wonder if it would be possible to fashion tiny wedge shaped shims and push them in. Could maybe eliminate a bunch of trial and error with individual parallel shims. And yes I agree, there is considerable ... | |
| Eminent Technology ET-2 Tonearm Owners ChrisI built this version of the ET2 around 15 years ago. Drawings are long gone but it could be reverse engineered. The arm is optimized for low compliance carts. As you can see, just, from one of the pics Ketchup found, it has a fixed counterwei... | |
| Direct drive vs belt vs rim vs idler arm Ct0517 et elJust to clarify things. Albert Porter has no financial interest in the Krebsupgrade. I used photos of his plinths because he kindly allowed me to and because I think that they are really cool. Bill Thalmann is my appointed agent in the... |