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Multiple turntables

To those of you who have and use multiple turntables, how do you hook them to your system and what sort of stand or support do you use. I use different phono preamps running into an integrated amp, so each input is a different turntable/arm/cartridge combo. Others may use phono preamps that accept more than one turntable input. However, mounting multiple turntables have been somewhat of a challenge, since they take up a lot of room, must be accessible from the top and need a solid support. Anyone use a pull out shelf system?
manitunc
salectric
755 posts
 
For those of you with more than one tonearm connected to your phono stage, you should try disconnecting one set of cables (including the ground wire) and see if the sound is affected on your other tonearm. I did this and was surprised to find that simply having the unused tonearm's ground wire connected to the preamp affected the sound. There must be some kind of antenna effect going on. You may think this is crazy, but give it a try. You may be surprised.
in_shore's avatar
in_shore
596 posts
 
I really don't understand anyone other then a DJ would need multiple tables.

Stringgreen , Now that is funny,...
nandric's avatar
nandric
4,086 posts
 
Hi Selectric, You are right. While my phono-pre has actually two independant phono-pres the ground connector is common. Both cabel ground wire connected to the pre
ground have some interfirance. Not sure if this is some kind of 'antenna' effect but I hear 'the effect' clearly.
According to some when you disconnect the (phono) cable ground you get symetrical connection with RCA connectors.
I am reluctant to disconnect one of the two cabel grounds
because my rack is against the wall and I nearly got hernia
by connecting both cabels to the common ground on the pre.
I hope someone 'technical' wll explain this issue.

Regards,
lewm
13,228 posts
 
I have 3 up and running. I use an Adona rack system that is expandable out to each side, so I ended up with three top shelves sitting on a common set of supports (i.e., four pairs of legs support three vertical columns side by side by side). This works fine but efforts have had to be made to further improve isolation from floor borne sources. Adona is nice quality for reasonable money. The design is thoughtful and makes engineering sense. But there is no free lunch when it comes to tt isolation.
inna
7,296 posts
 
Multiple tables/arms are for poor people really. If you are not one of them just get something like Continuum table with Cobra arm with one of those $10k cartridges available and be happy with it. But for most of us it does sometimes make sense. Personally I wouldn't need two tables but I might want two arms/cartridges.
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