12 channel volume control - diyAudio
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Old 30th April 2004, 09:47 PM   #1
CRFX is offline CRFX  United States
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Default 12 channel volume control

I'v been looking around for a way to control the volume on my 12 channel amp, but haven't found a decent solution. The best I could find was a 6 channel pot, or go with digital control. (probably the best way)
I wondering thogh are there pots that can just be connected together modualy? That way I can string together as many as I need. Haven't been able to find anything like that.

Thanks,
Chris
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Old 1st May 2004, 04:37 AM   #2
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Try Allen Bradly Mod Pot.
They can be stacked as much as you like.

Dick.
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Old 1st May 2004, 07:02 AM   #3
CRFX is offline CRFX  United States
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Is this one of them?
http://www.allelectronics.com/cgi-bi...-5K&type=store

If so I'll be getting a few of them, looks like its just what I need.

Thanks a bunch.
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Old 1st May 2004, 05:22 PM   #4
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Just make shure you buy the correct version.
The ones I mean have a special connection part iso a shaft, so when you remove the back of the front unit, you can connect the second and so on.

Dick.
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Old 1st May 2004, 07:45 PM   #5
Variac is offline Variac  United States
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Hey CRFX,
Those 5k pots would be great for my SOZen.
Especially since it would take 4 decks to control a stereo pair since the amps are balanced.

PLEASE report if the pots can be stacked into huge assemblies!!!
Thanks
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Old 1st May 2004, 08:06 PM   #6
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After taking apart a alps blue velvet it seems easy to stack these as well. You only need remove the label at the back and epoxy the shaft of the second to the rear end of the shaft of the first.

Its not plug and play, but it is DIY.

Milo
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Old 1st May 2004, 09:04 PM   #7
Variac is offline Variac  United States
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Quote:
epoxy the shaft of the second to the rear end of the shaft of the first.
For those of us who don't trust epoxy in a torsional situation,
I suppose one couuld cut a slot in each shaft and connect with a short strip of metal (and maybe hold in place with.....epoxy?)

Still a pot made to stack sounds perfect. I mean it would be a perfect choice , but we don't know how it sounds
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Old 1st May 2004, 10:10 PM   #8
owel is offline owel  United States
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Default VCA

If you go to THATCORP.COM, check out their VCA's. They have an appplication note that will let you control many VCA's using only (1) potentiometer, via a DC control voltage.

You can use their VCA's as preamps for your amp, and volume control.
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Old 1st May 2004, 10:51 PM   #9
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Quote:
For those of us who don't trust epoxy in a torsional situation,
I suppose one couuld cut a slot in each shaft and connect with a short strip of metal (and maybe hold in place with.....epoxy?)
Unfortunately the shaft that moves through the pot is much smaller 1/16" diameter, so slotting it might not work. If you used jbweld however and countersunk a hole in the receiving shaft then glue the two together I think it would be safe and stable.

Ill try to take a picture of the inside or scan one and post it tonight.

Milo

edit: wow i really can't spell
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Old 2nd May 2004, 05:29 AM   #10
CRFX is offline CRFX  United States
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I going to take a look at the ones I mentioned b4, only a buck each.

While looking at some sliding pots I figured if I just attached a bar to the slider I could move them all at once. Plus by offseting them I could pre set the balance between them.
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