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Newbie question: passive volume control mod for DAC
Newbie question: passive volume control mod for DAC
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Old 4th November 2004, 01:34 PM   #1
Ichabod is offline Ichabod  Wales
diyAudio Member
Join Date: Nov 2004
Location: chepstow
Question Newbie question: passive volume control mod for DAC

Hi, I'm a bit of a newbie to analogue electronics and this will be my first atetmpt at DIY so I really need some advice!

I recently bought some active studio monitors. These are connected to my M-Audio SuperDac 2496 via balanced XLR leads.
The problem is that the monitros do not have a volume control so I can only control it by reducing the digital level at the source... not good!

I am thinking of building a passive balanced volume control. This would require 4xXLR sockets, a good quality 4 channel Pot plus the additional 4 XLR plugs for the leads.

A simpler alternative might be to modify the DAC and add a pot before the balanced output stage. (Would this also avoid input/output impedance problems?) Is this feasible? Where can I find a schematic for the superdac? Does anyone have any advice on how to go about it or what components to use?

Alternatively - is it worth considering an external active pre-amp?

Thanks very much for your help,
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