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my DIY Turntables and DIY tonearm - Click HERE for Original Thread
Roger Waters
Here are some pics of my DIY Turntables and DIY tonearm.
















;)
peranders
:up: :nod: Why don't you put up a website and show this to the world?

A really good job!

How is the platter bearing made?
ACD
Very very nice looking ;)
sreten
very nice job, deserves something a liitle more special than the AT95E IMO, :) sreten.
livemusic
Roger,
My congrats! Excellent job, very stylish also!
Now a question: how yor platter is done - glued layers I guess, what kind of wood and glue? Glueing technics?
Regards,
Michael
Roger Waters
quote:
How is the platter bearing made?



quote:
Very very nice looking
Thank you !
quote:
very nice job, deserves something a liitle more special than the AT95E IMO

As soon, MC Cartridge !
Roger Waters
quote:
how yor platter is done - glued layers I guess, what kind of wood and glue? Glueing technics?

wood is MDF of 22mm x4
Glue is standard woodworking glue (Colle vinylique blanche) in french !:rolleyes:
ballasted with lead !

Weight of platter : 22 lbs

Weight of TT : 77 lbs

;)
krishu
@Roger,

hello,

nice piece of work!

may i put your pictures and description on my diy turntable gallery (located at www.krishu.de)?

Would be really appreiciated!

you may also answer via email (button below)

Cheers
Christian.
Roger Waters
quote:
Originally posted by krishu
@Roger,

hello,

nice piece of work!

may i put your pictures and description on my diy turntable gallery (located at www.krishu.de)?

Would be really appreiciated!

you may also answer via email (button below)

Cheers
Christian.

well on Christian, any problem!!!
Roger Waters
The arm in details:

Picture1
Basic materials:

- PVC pressure Rings (yes yes! you read well...)
- Set screw stainless "machined" in points for the pivot
- Stopper of clock industry out of bronze bored very fine for the horological jewel and inserted in rings PVC
- Arrow tube aluminum for the arm
- the carry-cell "worked" in a piece of magnesium (1/3 of the weight of aluminium)


Picture2
The rings with assembled pivots and horological jewels, the tiny trick that you see on the right of the set screw is a stopper of clock industry (My grandfather was a clock and watch maker...)


Picture3
Wire of flexible wiring and very end bought in a retailer of electronic component of my area (did it find any more the reel, nobody any more does not ask any him...) 1 ml = 1,5 euros
I on kept well only 4 wire for the cell + 1 to connect the arm to the mass.


Picture4
The mechanism of the arm:
- Counterweight of the threaded bored stainless arm
- Counterweight the antione out of stainless, aluminium pulley, the wire is a hair!


Picture5
Details of the magnesium carry-cell equipped with a AT9E


Picture6
The arm finished, finally almost...
Ropie
What a piece of junk!

Just kidding, it looks unbelievably good.
The best diy tone arm I've seen by far :att'n:
Raka
Absolute beauty.






How does it sound? Did you balance the platter? If so, how?
jmateus
What a nice piece of engeneering!
Don't you guys hate yourselves do not being able to do
something of this caliber? I do....
analog_sa
Nice.

Is there a particular reason the platter diameter is so small?
Upupa Epops
Very nice and sensitive balanced design. But one question : how is stabil rotation with pickup on plate - I see there very thin belt ?
Roger Waters
Thank you with all for your compliments !!!
quote:
How does it sound?
the turntable is very quiet, with a new LPs, it does not have there no noise, no rumble, no resonance!
The sound is very fine, very deep, like good Cd with more details, the band-width seems very wide !
I bought the 30TH anniversary "Dark Side Of The Moon" Pink Floyd, I was very impressed by the dynamics and the richness of details which a LP could contain!!!
quote:
Did you balance the platter?
Not for the moment, I did not considered to be it useful.
quote:
Is there a particular reason the platter diameter is so small?
not of particular reason!
quote:
how is stabil rotation with pickup on plate ?
With inertia, the plate is very stable, the belt is wire to sew for leather!

quote:
What a nice piece of engeneering!
Don't you guys hate yourselves do not being able to do
something of this caliber? I do....
:)
fantasia
your turntable is Wow!!!!!!

i have a question. several actually??? how are the cavities, spaces
where the lead shot is loaded arranged. Is the mdf only used on the edges of the plater and the base or plinth or is it in individual, compartments, ie more than one compartment per layer or several layers. I ask because even with lead shot cavities do resonate!!

How did you make or get the bearing made???

The final question, just what does this yummy turntable sound like!!!!!

stunning but how would you describe it???

Fantasia
Milwatos@yahoo.com.au
fantasia
well, that answered my question about sound and a great
description of the sound!!!!!!

your description sounds just like what i remember a Golmund
reference from the 1980s sounded like and that was expensive
!!!!!!!!!!!!!!!!!!!!!!!!!!!!

im sure it sounds just as good.

What did it ending up costing you???

i ask because im building something myself but nothing as
impressive as your machine!!!

the price of new turntables is just scarey

fab, i dont have enough superlatives.

fantasia
Roger Waters
quote:
What did it ending up costing you???
approximately 250€ (300$) of materials cost
Roger Waters
quote:
Roger:
Is it possible for you to post the dimensions of the parts you made for your tonearm? It is a very impressive accomplishment and having the drawings/dimensions would allow me to cut to the chase. Hopefully, I have something to contribute to improve upon it. Thanks.
Jim

Of Course !



http://www.nicoll.fr/pub/catalogue/...014&fampr3=3032
resident
Woooow!!! :eek:
Very very very nice.


Can you explain me a little bit the platter bearing.What is this in the middle (hole)?
How it rotates without tolerances?
jokerweb
Hi Roger, can you help me about the antiskating weight? Thanks
Roger Waters
quote:
Woooow!!!
Very very very nice.
Thank you !
quote:
What is this in the middle (hole)?
"housing" for the ball !
quote:
How it rotates without tolerances?
I carried out a polishing of bronze housing with Polishing Cream !

quote:
Hi Roger, can you help me about the antiskating weight? Thanks
the antiskating is very sensitive, it is necessary to test various weights according to the arm and the cartridge !
jokerweb
I love your turntable! I want it!!!
Please help me to build one...

I'm planning to use SHURE V15 type III cartridge (!), now before crashes, I'd like know what you think about antiskating weight... what't the weight of your antiskating piece?

I'm unable to find in italy your bearing... can you buy it for me in France and send me it? I will send you payment before all!!!

Here's my tonearm (without shell) with your great "pivot" system, but is more long than yours... I prefer 32-35 centimeters from pivot to needle :)

Thanks for your help!!!

Roger Waters
hello JokerWeb !


It's my arm !!!, good work !
(it is curious to see its realization manufactured by another person!)
quote:
what't the weight of your antiskating piece?
on my arm it weighs 4 grams
quote:
I'm unable to find in italy your bearing... can you buy it for me in France and send me it? I will send you payment before all!!!
I would like to help you, but the "milling machine operator" has much work, I awaits parts of him since months, I despair !

Here the manufacturing drawing, I hope that that will help you !

verin = "stem of hydraulic actuating cylinder"
Platine soudée = piece of stainless welded onto the axis and machined
Bille = ball (of ball bearing of course)
Bain d'huile = this vacuum is filled with oil "oil bath"
for a better result, it is necessary to rectify the axis and its housing !

Excuse me for the slowness of my answers but my english is very poor ! :xeye:
jokerweb
Don't worry for your english, I'm from italy, I'm trying to write english :)
I'm unable to find in italy an operator that like to build the bearing... how much is the cost of your bearing?

I've cabled the tonearm with CARDAS Tonearm Wire... for vibrations dampen I've filled up all the arm with very small pieces of felt. Also have used therm-shrinking girdle to cover the aluminium of arm. The result is very good, no little bit of noise :) I'm planning to use carbonium headshell but is too expensive...

Already have build the platter same as yours, now need only the bearing...and my Roger Waters'es turntable will be on the road!!!
Roger Waters
quote:
I'm unable to find in italy an operator that like to build the bearing... how much is the cost of your bearing?
50€ (in cash) without rectified and polishing.
quote:
for vibrations dampen I've filled up all the arm with very small pieces of felt
great !!! (I did not do it yet, but I thought of filling the arm with an expansive foam)

what is carbonium ?
quote:
Already have build the platter same as yours
you have pictures ? :)
quote:
and my Roger Waters'es turntable will be on the road!!!
on the road again ! ;)
jokerweb
Sorry, not carbonium but graphite... I'm contacting some companies that can help me to build the bearing... I will send on this forum more pics only when the turntable is finished... :)
See you soon!!!
peetba
hello,look at this highend bearing, have you interest send a mail, my bearing is very very good for platine verdier
jokerweb
Hi again,
I need to know what is the method to setup antiskating. I got a free protractor from www.enjoythemusic.com but I don't know how to set the antiskating...can you help me in few words? Thanks!
Roger Waters
you need a disc with a smoothe face (certain discs for DJ have a smooth face, you find that not expensive occasion, or a disc of adjustment)
You start the turntable with the smooth disc, you places the arm on the medium:
A) the arm goes towards outside, you must reduce the force
B) the arm goes towards the interior, you must increase the force C) the arm remains motionless, it is ok, the adjustment is perfect

(before making this adjustment you must regulate your cell and the force of support)

;o)
jokerweb
Mmmm, is it a LP with face without recording?
Do you know the exact name of that LP type or where can I buy it?

Thanks again!
pete.a
A good friend of mine made a clone of an LP 12 many years ago..and it's still going strong today. Funny how the clock makers can help with such a project..he knew of a local dentist that repaired repaired clocks in his spare time. He made him a few parts..sorry to go on .. Fine engineering work by the way.
Roger Waters
quote:
Mmmm, is it a LP with face without recording?
Yessss !
quote:
Do you know the exact name of that LP type or where can I buy it?
used in the record dealers or the Depot Sale for few euros !
Miniwatt
Congrats! Great work! I also like your arm, it seems to me that your choice of materials is errr... well, unconventional and down-to-earth non-exotic. But that doesn't matter of course, as long as the sound is good.
I'm planning to build a turntable myself, right now I'm wondering what materials to use for the plinth, acrylic and steel/aluminum are the current ones. Thought of MDF too, but a lot of people think it's too 'dead' for that purpose. Dampens the liveliness of the music. What are your findings? Did you compare to other turntables?
And indeed: how are the cavities and lead arranged???

Enjoy!!

Miniwatt
sailorman
Hi Roger,
congratulation for your work!!!
I'm interesting in building my own TT
can you give some more details on the motor unit?
Where is it coming from?
What kind of control did you choose to reach the correct speed?
I don't see any strobo unit, it means you are runnig with a AC motor?
Concerning the bearing, how can you manage to place the ball in the right position in the middle of the "verin"??
I suppose first you put oil, than the ball and at the end the "verin", if so how do you manage to keep the ball into the center during the assembly?
Thanks for your clarification.

regards

Sailorman
Roger Waters
quote:
Thought of MDF too, but a lot of people think it's too 'dead' for that purpose. Dampens the liveliness of the music. What are your findings? Did you compare to other turntables?
for the moment I made the comparative one with an old dual, I chose the medium for his neutrality, the result is the absence of resonance and rumble, a silence total with a LP in good condition !

quote:
Hi Roger,
congratulation for your work!!!
Thanks You !


quote:
can you give some more details on the motor unit?
Where is it coming from?
The DC motor comes from an old tape recorder !
adjustment speeds with 2 trimmer resistor connected to a double switch, look an example "chirurgie":
http://www.formgestalter.com/krishu..._turn_motor.htm
I use a strobo (50Hz) to adjust speeds or a disc test (a track with 1000Hz) with a frequency meter (on the computer).

quote:
I suppose first you put oil, than the ball and at the end the "verin"
Yes, of course, I "stick" the ball with a thick grease so that it remains in its housing during the assembly
livemusic
quote:
Thought of MDF too, but a lot of people think it's too 'dead' for that purpose. Dampens the liveliness of the music.
I was quite happy with my constraint layer sandwich platter untill one day, being heavily affected by tweaking virus, I decided to pull the middle sorbothane layer out. Now I know what exactly "sucking the life from the music" means. With the soft layer in place, the color richness of the sound (primarily accoustical instruments and voices) was lost. I was foolished by the fact, that the high and low extremes were affected much less.
But those subtle higher and lower harmonics (overtones), wich give the instrument its characteristic sound signature, were supressed.
Note, that the upper layer was directly coupled to subplatter, so no compliant material was introduced into vibration path (see the sketch below). CLD principle was implemented in purpose to kill "resudal" vibrations, aside of the main vibration path. So, I came to conclusion:
1. The platter material and its damping/vibration proterties are absolutely critical for good sound.
2. No compliant materials ("heavy absorbers") shall be placed invicinity of cartrige.
3. I must give the hardwood platter a try.:)
docjoe
dis donc roger, on est un forum d'adorateurs de LS3/5a, basé en france
on s'interresse au vinyl et ta platine nous intrigue
peux tu venir nous en parler un peu sur www.ls3-5a-forum.com
Roger Waters
Hey Joe !

Je connais un peu le Forum LS3/5A, il m'arrive de le parcourir, je l'ai connu car Pascal (PTSOUNDLAB.COM) l'avait mis en liens sur son excellent site !

J'avais posté la même chose qu'ici sur le site de Pascal :
http://www.ptsoundlab.com/forum/viewtopic.php?t=609
et le préamp à tubes fabriqué d'après les conseils de Pascal:
http://www.ptsoundlab.com/forum/vie...er=asc&start=45

Depuis la platine a été équipé d'une cellule DECCA Garrott Microscanned acheté une fortune à un anglais sur ebay.uk, la platine a fait un bond en avant mais il faut que j'alourdisse le bras, il est trop léger pour cette cellule...

J'avais aussi une paire de blocs mono à tubes pushpull 845 en construction, mais c'est en standby cause travaux maison, je suis donc inactif au sein des forums par manque de temps (et je n'ose pas trop y mettre le nez car c'est un bouffe temps pas possible)

Il y a qlq temps j'avais essayé de m'inscrire sur le forum LS3/5A, mais ma boîte hotmail n'étant pas acceptée et étant déja inscrit sur pas mal de forum, je n'avais pas insisté...
Va falloir que je trouve une solution pour l'inscription car votre section vinyl est très active ! :)
docjoe
oui, le vinyl a été redécouvert récemment par les forumeurs
on s'y intéresse beaucoup!!!
envoie donc un mail à JéromeB ou plutot un MP
il te donnera les trucs pour t'inscrire
tu verras ta platine dur le thread Vinyle,
moi je suis 3docjowe" ici et sur le Vinyl Engine (que tu dois connaitre, sinon c'est un must!! cours t'y inscrire... et je suis "stasis" sur ls3/5a

salut et à bientot

jo.
tmblack
Very nice!
How is the tonearm wired and grounded?

Tom
zuo2000
Wow!

Roger, I worship you, I do.
fortytwo
This is either for roger or jokerweb.
Roger your arm looks awsome, i cant belive that from redily avalible items and it appears that construction is very straightforward.

first how do yo attach the inner ring to the arm tube. do you epoxy it or do you have a set screw system.

I have avalible to me hollow carbon fibre arrows. These are lighter and stronger (more rigid) than the alumun. Is there any reason i should not use this arrow shaft.

Did you use pvc flexy rings for any specific reason or was it just avalible. I can get pvc here in the us but have not found a place (or distributer) in the us that sell the units you used.

Thanks for your time.
Ed Owens
FortyTwo
bgatlin
I am interested in either making ( If not too difficult ) a turntable. or buying a used turntable. Any recommendations? I understand basic electronics and can do some wood working. I am not lookiing to spend over about $400.00 u.s.
jcayer
Superbe réalisation Roger. :up: :up: :up:
fortytwo
I am not shure if HE is still checking this forum. His last post was a while ago. If not if anyone could answer my questions above that would greatly help. (glue/attchment to pivot, using graphite/carbon)

One extra concern. I was talking to a friend who went through some engeneering schooling and he raised concerns about magnesium. I was told it is flammible when it contacts water.
jcayer
quote:
Originally posted by fortytwo
I am not shure if HE is still checking this forum. His last post was a while ago.


OUPS,

I didn't look at the date :headbash:
Roger Waters
excuse me, but with my work, I do not have any more time to read the forum. :(

I used plastic by facility and magnesium because I had some, but all other materials is possible, carbon is better than aluminium for the arm, magnesium can be replaced by aluminium, etc

magnesium and aluminium are flammable in the shape of a cloud of dust, like the corn dust (flour) in a grain silo !
magnesium is flammable in contact with water, but at very high temperature, sodium ignites at a temperature of 15°C


ring the aluminium PVC and tube are assembled "in force", but to stick is better !

:)
seppstefano
Ciao Roger Waters, only to congrat you on your TT!!!

I'm in the middle-land between a working TT and a reassembled one, so... Glory to who succeeded :smash:

Ciao from Italy,

Stefano
fortytwo
Thank you Roger Waters,

I have started making my tonearm now. Last night i machined the 2 outer rings out of acrillic, and this week i will finish the smallest. All i need to obtain is the clock peices. I plan on making my headshell and counter-weight out of acrillic as it would complement my table quite nicely.

I am still waiting for the bearing to come back from the machinist. Hopefully this week.

FortyTwo
DragonMaster
Looks pretty good!

I'd not be ready to DIY a tonearm like you tho...
quote:
I bought the 30TH anniversary "Dark Side Of The Moon" Pink Floyd, I was very impressed by the dynamics and the richness of details which a LP could contain!!!

Hehe, I was not surprised you chose this album, especially with your username. :angel:


Il faut toujours bien que les autres puissent lire!
Roger Waters
quote:

Hehe, I was not surprised you chose this album, especially with your username.
It is the best album ! ;)

Happy new year !
JesseG
Just wanted to add my congratulations to the general applause!

ces't formidable!

I am building a tonearm of my own (using aluminum square tube filled with foam). I'll post pictures when done.

Happy New Year to all.

Jess
Nanook
I have made my own arm, started my own thread, but as it seems dead, thought I'd sneak in here with it. Sorry no photographs, just a "rendering" of it and my DIY turntable..

http://www.diyaudio.com/forums/show...ght=DIY+tonearm

Fortunately, it sounds way too good for the money spent, and is a take off of the "Altmann" tonearm. The arm looks ok in a DIY hack kinda way. The TT unit is a Conniseur BD1 replinthed in a Chinese Oak cutting board that has been cut and extended with aluminium square tubing. Recently a friend , seeing it for the first time thought it was a commercial offering:-)

Anybody with even rudimentary tools and skill can make some sort of arm, whether unipivot, gimball, knife edge or air bearing. Thinking and making it look good is another matter. Kudos to those that are craftsmen. All the indications from RogerWaters,EC8010, and others are that they definitely are craftsmen while I on the otherhand am a hack.
wpho8888
Hi, where did you get this beautiful platter bearing and how much
would it cost?
GlidingDutchman
Bon Jour RW,

Fantastique machine! and that is where my French ends...

I would like to know a bit more about the motor you've used...

Do you use a DC controller?

GD
bulgin
Hi Roger

Very good work - especially on the arm. Long live DIY

Regards

bulgin

http://www.blueangelaudio.com
http://www.theanalogdept.com
http://www.oswaldsmillaudio.com

:smash:

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