output analog stage modd for micromega dacs - diyAudio
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Old 10th June 2013, 04:57 PM   #1
diyAudio Member
 
Join Date: Aug 2004
Location: Italy
Default output analog stage modd for micromega dacs

H all,

I need some expert's suggestions,very precious for me,as always, 1

I HAVE ONE DAC MICROMEGA DUO Pro2 AND ONE duobs2.

I know they are iC integrated chips as gain (?) and buffer and low pass filter.
I want , ABSOLUTELY, remove all this stuff, because I am a purist!

I would be to know if:
1- are they single ended dacs or differential dacs chipset? Wich brand?
2- are the dacs voltage output or current output?

If they are current output I jet have 2 sowter transformer for I/V conversion, so i do not seen any problem. (mine are for differential dacs) .

If they are output voltage, differently, how can I simplify - to the maximum "purity" - the output analog signal ,at the cost to have 50 or 100 millivolt only of signal (at 0 dB rec.)?
( I enter in two different triode preamps that has >25 times of gain and 200 Kohms of input impedance...)

Can I simply swap the ICs and put in series an adeguate little air coil to low/pass ( 6dB/oct at 80-100 Khz, is adeguate?) the signal?
Or do I have ,the same , to use a transformer and wich are one suggested?

excuse for basic answer,but my workis design speakers , not elecrtronics!!

very thanks for reading , any suggestion will be very,very, apppreciated!!

by,

Paolo - phaseless - high end ,low cost speakers ,handcrafted in ITALY (VE)
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