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Volume control for Naim 140 kit?
Volume control for Naim 140 kit?
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Old 10th May 2016, 04:51 PM   #1
Less Opinion is offline Less Opinion  United States
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Default Volume control for Naim 140 kit?

My question is about where to install a volume pot in my Naim 140 kit. Should this be in the output to the speakers or line in side of the amp. Thanks
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Old 10th May 2016, 05:18 PM   #2
gabe75 is offline gabe75
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i think It should be before the power amplifier, between preamp and your naim140. But there are other ways to control the volume , like this device #50-6216 from mcmelectronics.com
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Old 10th May 2016, 05:33 PM   #3
Ian Finch is online now Ian Finch  Australia
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Location: Coffs Harbour, NSW
The volume control is a potentiometer that varies the signal voltage from the preamplifier to the amplifier input. Nobody but those with small distributed PA systems varies the volume at the speakers, because the power level is many times greater and requires much more expensive components, whether they are high power potentiometers or multi-tapped transformers.

The better volume controls are buffered with amplifier stages before and after, as part of a preamplifier circuit but many people try to go cheap and ultra simple, using just a plain potentiometer, nothing else, but usually get poor sound.

Google "passive volume control" and see the quality (or not) of discussion.
If only I had listened....
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