I said I would never buy another Turntable...Argh !!!
- Thread starter rockitman
- Start date
It’s mostly over now. AS 2000 plinth and platter, associated stand left to go. Back is still sore. I need to get painting done in music library so I can move said music/racks over.
I always liked the leather clad double doors into M's office. Moneypenny on the other side.
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30 seconds of this guy is all I could take, shouldn't have him in the same video with such a nice car
!david
Well I learned something new today....Wood joisted floors are springy...so much so that heavy walking makes the AF1 stylus skip. Looks like I will be adding 32’ of support beam to stop/reduce the spring in the fooor. Since going Vinyl again in 2010, I was on concrete basement flooring and clearly never experienced this problem.
He is right about a lot, it is a weird car ! The computer for the instruments was made by a now defunct Texas company, that specialized in space technology.30 seconds of this guy is all I could take, shouldn't have him in the same video with such a nice car
david
These kind of screen went into space, and are also found on the big
SSL mixing pults in many recording studios. A really funky feature was
backup voice warnings, spoken trough a small speaker under the steering column, in high born British accent, a woman of course.
I still remember the first time my car spoke to me, “alternator, please check alternator “ and my wife looked at me and said “a woman of course, you love her more than me “ !
Have David make you an extension of the “nothing rack”and cut a hole down to the concrete floor in the basement, it’s only wood !
looking at the picture in this post......
https://whatsbestforum.com/threads/...ther-turntable-argh.23947/page-93#post-551003
.......after noodling it for a few minutes, my thought is you have to somehow take the suspended wood floor out of the equation. don't think you will ever actually 'fix' that floor sufficiently to make the tt's entirely happy. all that mass moving just a little will not settle down anytime soon.
here is one way to do that (maybe there are easier ways).
think wall bracket. build a shelf a couple inches off the floor attached to the front and side walls. support it on the outside edge by posts going through the floor to the concrete floor below. you will hardly see them. they can be steel rod. they can be located directly under the Nothing Rack feet. you can have as many posts as you want. it can be perfectly stiff. and you will not need to walk on it.
this will remove the foot falls from the equation. both tt's can go on it. you will have to relocate your amps maybe. it won't be cheap, but it won't be major expensive and it should not upset the look of things.
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Unfortunately, while wood floors look great, they are imo not that desirable for the analog devotee. The reasons are as Christian just touched on, plus the fact that wood is actually a fairly soft surface (relatively speaking!) Most wooden floors are built over a sub surface, which can also be a softish compound. The net result is that once something heavy sits on the floor, the wood will tend to compress or flex. The other factor is that wood tends to have some deadening impact on the overall acoustics of the room, and in a way that is many times difficult to predict. Looks great, sound wise...
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I am not sure it needs to be attached to the walls. The key is isolating the platform from the floor. Just having a platform supported by whatever number of poles are needed, passing all the way to the basement floor should be sufficient. Easier said that done, I am sure.
for a cohesive look a raised gear platform will look proper and those massive walls will be an asset for stability. otherwise some sort of engineered in anti-sway would have to be designed in to deal with horizontal resonance. the walls, especially close to a floor junction, will be rock solid.
I took the bouncy floors into consideration and designed the lower section of The Nothing with it in mind, the engineering isn't visible and based on isolation principles used in large telescopes. Now the upper sections of the rack with the shelves are isolated from the floor within the lower side blocks. Top down vibration, resonance will dissipate through the lower blocks and floor up resonance will not reach the rack. The top shelf under the tt has 3 levels of isolation and resonance control, there's nothing (pun intended) getting to the tt, there's a reason it's called The Nothing
! At this point the issue with the floor is the bass from the speakers which also has a solution.
david
Christian is a big man with heavy feet !I took the bouncy floors into consideration and designed the lower section of The Nothing with it in mind, the engineering isn't visible and based on isolation principles used in large telescopes. Now the upper sections of the rack with the shelves are isolated from the floor within the lower side blocks. Top down vibration, resonance will dissipate through the lower blocks and floor up resonance will not reach the rack. The top shelf under the tt has 3 levels of isolation and resonance control, there's nothing (pun intended) getting to the tt, there's a reason it's called The Nothing
david
That is fascinating. I'm surprised with the air isolation and HRS platform under the AF1 plus that new micro-laminated support beam under your gear. I also have a suspended wooden floor, and my house is much older with really soft wide pine boards and timber beams. I placed steel columns directly under each speaker/amp and two under my front end equipment rack. These go from the bedrock basement floor to the underside of the wood beams. Of course, the three Vibraplanes help also.
Perhaps all you need is two more of those expandable steel columns under that micro-laminated beam to make it more rigid. I'd try that first. Or place one column with a built up 2' X 2' plywood cap directly under the floor boards below your AF1.
I have thought about placing the speakers on a platform supported directly by columns to the basement completely independent of the listening room floor, but that solution would severely restrict speaker placement changes.
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I took the bouncy floors into consideration and designed the lower section of The Nothing with it in mind, the engineering isn't visible and based on isolation principles used in large telescopes. Now the upper sections of the rack with the shelves are isolated from the floor within the lower side blocks. Top down vibration, resonance will dissipate through the lower blocks and floor up resonance will not reach the rack. The top shelf under the tt has 3 levels of isolation and resonance control, there's nothing (pun intended) getting to the tt, there's a reason it's called The Nothing
At this point the issue with the floor is the bass from the speakers which also has a solution.
david
if you say it can neutralize a bouncy floor and footfalls, i suppose it likely will.
this should be educational.
He is right about a lot, it is a weird car ! The computer for the instruments was made by a now defunct Texas company, that specialized in space technology.
These kind of screen went into space, and are also found on the big
SSL mixing pults in many recording studios. A really funky feature was
backup voice warnings, spoken trough a small speaker under the steering column, in high born British accent, a woman of course.
I still remember the first time my car spoke to me, “alternator, please check alternator “ and my wife looked at me and said “a woman of course, you love her more than me “ !
I remember the car well when it first came out we were living in UK and my friend got one of the first 10 off the production, it was difficult to service it back then how do you do it now?
david
I know it will deal with the floor while tt is playing and the resonance from the bass won't affect it either but we have see how it deals with Chris stomping around.
david
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