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DIY Full Featured Preamp
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Old 14th October 2017, 03:11 PM   #51
rsavas is offline rsavas  Canada
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We're going to drop the opamps and use the jFET-based I/V converters
Anticipating to see what you come up with, good luck
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Old 14th October 2017, 04:32 PM   #52
rsavas is offline rsavas  Canada
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This web site provides some additional info on the PCM1794A
H-DAC – High performance 192 kHz / 24-bit DAC with addon options – nihtila.com
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Old 24th November 2017, 11:17 PM   #53
jwilhelm is online now jwilhelm  Canada
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I have some new features to begin experimenting with. I've layed out prototype XMOS USB DAC and have some VHex headphone amps to build too.
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File Type: jpg Headamp.jpg (124.2 KB, 251 views)
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Old 24th November 2017, 11:22 PM   #54
anatech is offline anatech  Canada
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DIY Full Featured Preamp
Looking good Jeff.

-Chris
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Old 2nd January 2018, 08:08 PM   #55
spaceistheplace is online now spaceistheplace
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DIY Full Featured Preamp
Default DIY Full Featured Preamp

Perhaps Iím in the minority, but for me a full-featured preamp means mm / Mc Phono capability.

Any chance a simple Phono pre could be integrated into this design, even as an add on?

That would make this a perfect project for me.

Thanks for all your efforts either way. Looks to be shaping up well.
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Old 2nd January 2018, 08:13 PM   #56
jwilhelm is online now jwilhelm  Canada
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A phono input will be an option as well.
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Old 3rd January 2018, 06:09 PM   #57
spaceistheplace is online now spaceistheplace
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DIY Full Featured Preamp
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Old 4th January 2018, 09:47 AM   #58
thimios is online now thimios  Greece
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I hope that Jeff will have done some progress now.
In any case that looks like a very promising project!

Last edited by thimios; 4th January 2018 at 09:52 AM.
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Old 4th January 2018, 09:51 AM   #59
jwilhelm is online now jwilhelm  Canada
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Hi Thimios. Things have been very busy here for the last couple months so I haven't gotten much of anything done. I have a new USB audio design ready for assembly and testing, but haven't had a chance to assemble it yet. I also haven't had a chance to put together a package for you either, I hope to do that today.
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Old 4th January 2018, 09:56 AM   #60
thimios is online now thimios  Greece
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Originally Posted by jwilhelm View Post
Hi Thimios. Things have been very busy here for the last couple months so I haven't gotten much of anything done. I have a new USB audio design ready for assembly and testing, but haven't had a chance to assemble it yet. I also haven't had a chance to put together a package for you either, I hope to do that today.
I hope the reason is the Christmas Holidays
Happy new Year!
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