Braun PS-500 - Idler

[cronfryck]

Hello everyone! I'm new to the forum and excited to connect with fellow music enthusiasts. Recently, I got my hands on a Braun PS-500, my first belt-driven turntable. Unfortunately, the idler/belt pulley is missing. I've searched the forum but haven't found a solution yet. Does anyone know where I could find a spare part that might fit? I'm eager to restore it to its original condition and get it spinning again.




Cron

 

[SONDEKNZ]

Nice score!

Try THAKKER in Germany for a belt.

They seem to stick most related items…

 

[Nat]

Am I correct in thinking that the picture is one of a functional PS 500? I don't see anything missing, though I've never seen the turntable so I may not know what I am talking about.

 

[cronfryck]

Apologies, the picture shows a device that is fully operational.The specific part I'm searching for is this:

 

[Nat]

A donor unit is the most likely candidate, unless you know someone who is a highly trained machinist and has access to a high quality lathe.

 

[Barncats]

I'm hardly an expert in these matters, but do remember that a 50Hz pulley and a 60Hz pulley are not the same diameter so be careful when buying that part, otherwise speed will be off.

 

[cronfryck]

Ugh I was worried that this would be the case. For 50Hz and 60Hz, are there two versions of the part? I'm based in the US and would like to try and source the correct one.

 

[loudnoises]

Ugh I was worried that this would be the case. For 50Hz and 60Hz, are there two versions of the part? I'm based in the US and would like to try and source the correct one.

Two different pulleys is a very common way of making a table compatible with 50hz and 60hz.
But that's done at the motor, on the other side of the idler. You may want to check and see which you have, but that's a separate issue from your missing part. The nice thing is the 60hz is smaller than the 50hz, so machining it is always an option.

The intermediate pulley that carries the belt is very likely the same in both units, as the idler and belt are the same, and it's just a ratio between the two. Just one part. You can source one from here or there I'm pretty sure.