Dark Lord
pfm Member
excellent work
excellent work
- the foam filling of (half) of the arm tube. Was this for damping or to increase / manage the effective mass? The reason I ask is that my WT copy has an aluminium/carbon arrow as an arm tube and it is unfilled (and very light) at present, whereas the WT arm is filled with sand or foam I think... wondering if I should do some sort of fill, but it is very difficult to undo!
- if I've understood the the hoist wires correctly, they are there to support the 'thrust box' until load is introduced to the side bearing by the stylus drag, and also a job of reducing side to side rolling. There is the risk this design introduces vibration or removes the efficiency of the single point of contact bearing somewhat, so I was wondering if there was any merit in attempting a design which minimised the need for the hoist such as having the pivot angled at say, 45 degrees instead of 90, taking 'some' of the vertical load..? How valuable is the lack of side to side yaw vs the impact of the hoist wires do you think?
Thanks very much. And for what it's worth I love the idea of the string finger lift. I'm going to give that a try in my WT clone as I hate cueing the thing manually using a rigid finger lift at present as it has such a low effective mass...
Any thoughts on longer length? I suspect 10”+ would look great on a 401 and make fitting easier…
Very, very well done on this, awesome to see a one man band come up with something new and interesting. You have some engineering skills. I may well be a future customer!
Your comment- Great design! I wonder why no one has thought of this in the last 100 years.
I believe creative thinking in hi fi has been notably absent in the commercial field for many years.
Think about the loudspeaker- the basics have been unchanged for decades. I've been side-tracked in my arm designs by trying different materials for arm tubes but using the same unipivot principle and the differences have at best been marginal.
I still might experiment with different materials for the arm tube but I'm afraid that the conventional unipivot bearing is no longer a viable consideration for me. Now that's pretty exciting don't you think?
It's not that the conventional unipivot is rubbish (I'm really pleased with the results obtained to date) but Richard's design is something else...
I don't see the point in offering two fractionally different styles of thrust box. It's unnecessary complication, no one else does anything like that.
No one else does a lot of things this arm does so I think it's rather up to sonddek if he chooses to offer both alternatives.I don't see the point in offering two fractionally different styles of thrust box. It's unnecessary complication, no one else does anything like that.
10.5 inch Blackbird looks good on a Well Tempered Amadeus, no sound for copyright compliance...
http://www.supasound.com/videos/wtasilent.mp4
10.5 inch Blackbird looks good on a Well Tempered Amadeus, no sound for copyright compliance...
No one else does a lot of things this arm does so I think it's rather up to sonddek if he chooses to offer both alternatives.
How do you lift that arm? It has no arm-lift and no finger lift on the headshell.
Loving the new logo on the rear of the arm, whole thing looks stunning now. A credit to you.