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| miniDSP Low cost, modular Digital Signal Processor (DSP) kits for the DIYer from miniDSP. |
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3rd September 2011, 11:29 AM
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#1 |
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diyAudio Member
Join Date: Oct 2005
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Unbalanced miniDSP as 2ch digital preamplifier?
Looking at the 2 way advanced crossover app it appears that you could bypass all crossover filters and simply invert the polarity of one pair of outputs, effectively giving you a 1.8Vrms balanced output per channel. Adding the 10k pot (for digital volume control) and potentially a pair of isolating transformers on the balanced outputs (bypassing coupling caps etc.) would make a (theoretically) nice digital preamp.
Daft idea or worth trying? |
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3rd September 2011, 01:44 PM
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#2 |
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diyAudio Member
Join Date: Apr 2011
Location: Right behind you.
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Balanced output has cold and hot wire. Cold wire gets often connected to ground in receiving equipment, so beware making both wires hot.
Doesn't MiniDSP also have a balanced option?
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