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Old 30th May 2003, 01:39 PM   #31
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Originally posted by Variac
yeah, is there any downside to using the isolated?

I didn't try the isolated version, since without a thick aluminum oxide washer, I couldn't fit the feedback resistor in the usual spot.

But I think it might sound different, since damping of a chip is different. I tried silpad once and comparing to aluminum oxide, the sound was less airy.
Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it. - JC
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Old 30th May 2003, 07:25 PM   #32
edm is offline edm  Netherlands
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O well only one way to find out then... I will try it and compare it to the non-isolated versions.

Thanks anyway

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Old 2nd June 2003, 04:02 PM   #33
lgreen is offline lgreen  United States
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Glad to hear you are going to build this. I am also going to build one with isolated package chips, as I heard these don't get too hot under normal use anyway and got the chips cheaply. Please let us know how this turns out and if you have any problems with the isolated package!
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Old 2nd June 2003, 04:10 PM   #34
elizard is offline elizard  Canada
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well i went through re-wiring my PS yesterday
not finished yet, still more work left

i imagine i'll receive chips from peter later this week, so i'll be done by next week probably
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Old 2nd June 2003, 04:15 PM   #35
fedde is offline fedde  Netherlands
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Well, the gaincard uses the LM3875TF (isolated) chip so...

Don't worry!

__________________, gainclone and non-oversampling DAC audio projects and kits...
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