Newbie...turntable question

Status
Not open for further replies.
I’ve been considering the idea of building my own turntable but I have zero knowledge. I’m looking for some resources for

1. DIY Projects
2. Suppliers of parts

Any advice is also welcome..looking to keep this quite simple and not over the top.

Appreciate everything in advance!
 
Basically I have some wood working skills, and I have electronic skills (I’ve designed and printed PCB’s) but I’ve never done a turntable. I’d love to find a place that sells the motors, table and tonearms and maybe a small pre-amp just a starter. Keep in mind I’m using a Sonos speakers right now for my speakers so I’m not even sure I’d notice if the sound was horrible.
 
The way i see it, turntables are bunch of related sub-projects.

1) plinth and platter, do you want suspended like the old AR, thorens, etc etc or not?
2) drive system, belt, direct, idler? Motor? Electronic or Mechanic commutation?
3) arm, DIY or purchased? Linear or pivoting (or both, if you are adventurous)?
4) cartridge and pre-amp, not a lot (but some) DIY happening in the former, plenty in the latter.

Give us a few clues and we'll point you in the right direction.
 
I know this is DIYaudio.com


but doesnt a turntable diy project seems like a mammoth undertaking if you're after a useable turntable?


if you're using technics 1200 as a benchmark...


can I ask if this is for educational purposes? if you're trying to save money, i'd definately recommend just buying a used 1200. Buying composite parts and jigsawing the project seems less a diy project and more like an assembly project.



the real learning is in the engineering aspects which will be dodged by buying motors, arms and so on.



Ontop of this, setting up a tecnics 1200 properly will teach you bucketloads on its own
 
Basically I have some wood working skills, and I have electronic skills (I’ve designed and printed PCB’s) but I’ve never done a turntable. I’d love to find a place that sells the motors, table and tonearms and maybe a small pre-amp just a starter. Keep in mind I’m using a Sonos speakers right now for my speakers so I’m not even sure I’d notice if the sound was horrible.
In that case, I'd buy a (good) 2nd hand turntable. The advantages are obvious:
- gives you some time to get hands-on experience
- It's easier to try some modifications on turntables before building one yourself
- Probably a lot cheaper.

Besides, you'll need a good RIAA preamp... where DIYaudio comes in very handy 😉


One important note: Never trust the needle in a 2nd hand turntable you buy. Always replace them by a new one.
 
Last edited:
I've always wondered what could be achieved if one had access to top quality lathes, milling machines, boring machines, etc.
Casting a platter ala Garrard or EMT is obviously impossible outside the industrial sector but could a high quality one be machined along with the main bearing? I am assuming a skilled machinist. I think the drive system would be less of a challenge.
 
...Casting a platter ala Garrard or EMT is obviously impossible outside the industrial sector....

Your great grandfather, or his neighbor, cast metal non-industrially.

My dad and I cast metal on the patio with a hibachi and a vacuum-cleaner set to blow.

A TT platter is not an engine piston. It can be about any scrap copper and aluminum you can find.

When I was a boy there was still a casting shop in the next town, and a polite request got us more Casting Sand (sharp sand with a binder) than we could ever use. I know DIY casting is a thing and am sure a moment on Amazon etc will turn up sand, ladle, flasks, and other bits. (But the flask for a platter is just a scrap of plywood and 4 scraps of trim.)

While this will be obvious before the metal finally melts: Very Dangerous!!
 
PRR, my grandfather worked at Harland and Wolff shipyard; my father, after completing his MOD funded Ph.D worked at Watervliet arsenal for a few years before settling into university life back in Belfast. He still maintains a well appointed machine shop (Hardinge, Schaublin, etc.) at home but I don't ever remember him doing any casting-I'll ask him.

By the way, I think I remember you complaining about the weather in Maine. One of my childhood memories is of my Dad getting sunstroke during a trip there.
 
Another casting. There's a 1914 Delage racer with a cracked "block". Actually the cylinders and head are a single casting (no head gasket!), so it is a VERY complicated mold. The owners wished to run it again. (I'd drop-in a Toyota, but they have more money than I do; also a Toyota would not have the bark of a fat-head 4-valve racer.)

You *know* the original mold was carved from wood with a pocket-knife and chisels. But that guy was a genius and now dead.

They, and the company who did the job, are very proud of the 3-D scanner used to digitize the shape into a 3-D printer to "print the mold". 14 parts! (The 1914 mold was 42 parts.) It printed sand and the metal was cast into the printed mold.
https://www.abc.net.au/news/2017-03-27/saving-the-last-delage-type-s-grand-prix-car/8310958
https://www.voxeljet.com/branchen/cases/neuaufbau-eines-delage-rennmotors-mit-voxeljet/
https://static1.squarespace.com/sta...INAL_Phil+Guilfoyle+AHA+paper+Feb21+clear.pdf

Even without the sand-printer, a modern hobbyist could print a plastic platter, pack sand, and cast into the hole.

Turns out a shop around the corner here does boat propeller work, large sizes, even castings. If I could afford a foot of bronze they could do me beautiful. There's a bell shop on the next bay which appears to do some fabrication; if they don't cast they probably know who does.
 
Status
Not open for further replies.