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Old 21st April 2003, 03:28 AM   #1
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Default 6-Ganged Potentiometers?

OK, I've got a vintage setup, and want to add 5.1 surround. To that end, I recently purchased a DVD player that includes onboard DTS and Dolby Digital decoding, and of course it has the outputs for all the required channels.

I also have a 5-channel amp ready to roll. All I need is something to control the volume from the player, and a 4PDT switch to route the front L-R channels. The switch is fairly easy, but...

...I have searched all over the web, and although several manufacturers make 6-ganged pots, it appears that no one fricken sells 'em (except for some $400 stepped pot...sorry, not interested )

Thoughts, ideas, help???
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Old 21st April 2003, 03:40 AM   #2
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Default Re: 6-Ganged Potentiometers?

Quote:
Originally posted by EchoWars
...I have searched all over the web, and although several manufacturers make 6-ganged pots, it appears that no one fricken sells 'em (except for some $400 stepped pot...sorry, not interested )

Thoughts, ideas, help???
Well, I suppose you could get 6 regular pots and then go someplace like <a href="http://www.smallparts.com">Small Parts, Inc.</a> and get you some gears and link 'em all together (a gear on each shaft with idler gears between the shaft gears).

Could also use pulleys and belts.

se
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Old 21st April 2003, 03:50 AM   #3
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One thing to consider is that surround sound recordings and movies are rarely "balanced" to suit your room and tastes. I would use separate pots for for each channel then adjust as necessary. Check out the April issue of AudioXpress for I am talking about.
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Old 21st April 2003, 04:21 AM   #4
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Look here:
www.thel-audio.de

He sell a very good panasonic poti.
Andreas
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Old 21st April 2003, 06:19 AM   #5
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Quote:
Originally posted by Philo
One thing to consider is that surround sound recordings and movies are rarely &quot;balanced&quot; to suit your room and tastes. I would use separate pots for for each channel then adjust as necessary. Check out the April issue of AudioXpress for I am talking about.
Not really practical. I mean, 6 pots just to turn the volume up or down? And each time I do so, I'm unbalanced again. The player allows 6db of adjustment per channel, so balance should be covered as long as my speaks are sorta close in level.

Quote:
Look here:
www.thel-audio.de

He sell a very good panasonic poti.
Andreas
There we go! 48 EU. Now, how to snag one of these, since they say on the site:
Quote:
Goods order is possible in the following way:
(see also under "trading conditions")
By telephone
(with consultation by Mr. Hartwig)

By fax
By letter

By email unfortunately not possible
Since they are in Germany, I might as well not have found 'em, unless someone in Germany wants to help out....
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Old 24th April 2003, 05:08 PM   #6
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Have you looked at or considered the DipChip Electronics relay based attenuator?

Looks like they could accommodate a greater than two channel version without too great a head stand.

Remote relay volume control kit.
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Old 24th April 2003, 05:34 PM   #7
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How about that?
http://www.brigarelectronics.com/Mer...ategory_Code=P
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Old 24th April 2003, 05:56 PM   #8
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Default peter....

I have bought the brigar items, and the tracking is dubious. They have a four ganged pot W/ a concentric, center detent, balance control. That balance cannot be used as volume #'s 5& 6. (but it's a decent balance)

You may have one of these- Email me.

and the 4-ganger (alone) has -abysmal tracking.--totally strange curve.
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Old 24th April 2003, 06:03 PM   #9
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Default everybody's got that problem!

The best looking multi -Vc is the analog devices AD 8400-2-3. (IMHO)
The problem is it takes a serial digital interface which some folks should be able to scope out pretty easily, but I can't. Can anyone get his digerati friends to take a look at it?
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Old 25th April 2003, 10:45 AM   #10
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The relay based is a little too spendy for my tastes....seems a lot of trouble to avoid a potentiometer.

Brigar shows a 6-ganged, but doesn't list one for sale.

I do believe I'm going to go with an external decoder with remote. I can't believe it's so damn hard to find a pot in the US...
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