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-   -   The F5X Preamp (http://www.diyaudio.com/forums/pass-labs/225230-f5x-preamp.html)

EUVL 8th December 2012 03:51 AM

The F5X Balanced Preamp
 
1 Attachment(s)
Since we have all of the information about the F5X Power Amp in the Pass forum, I have taken the liberty of putting the F5X Preamp also here.
I hope Nelson wouldn't mind. Else I could ask the Moderators to move it elsewhere.

Attached here is Part 1 of the description.


Patrick

EUVL 8th December 2012 04:05 AM

3 Attachment(s)
Just to show that this is not all paper work, here is some hardware.
More to follow, gradually........


Patrick

AudioSan 8th December 2012 06:09 AM

wow. i had never heard of this:) interesting:)

EUVL 8th December 2012 06:36 AM

> wow. i had never heard of this

It has been announced before :
http://www.diyaudio.com/forums/pass-...ml#post3224078


Patrick

AudioSan 8th December 2012 07:18 AM

aha. i must admit that i never followed the thread very close.
there is something about X-ing that make me go no no:D

EUVL 8th December 2012 07:32 AM

Nothing wrong with X'ing.
Ask those who build / own the AX variants.
Not to speak if those who build the F5X on their own.

:)


Patrick

AudioSan 8th December 2012 07:37 AM

i think it'd the complexity of it that tell me no no:)
i bet it is very good when it is working:)
but how is it (F5x and the preamp) when used with a unbalanced source?

EUVL 8th December 2012 07:42 AM

That has been discussed extensively in the very old Aleph-X thread, and also the F5X Build thread.
Please search and read.

The F5X Preamp supports per channel 3 single ended inputs, as well as 3 balanced.

Of course you can also use many of the SE to Balanced converters around, including many single IC versions.


Patrick

AudioSan 8th December 2012 07:56 AM

read 230 replyes to get the gain of the preamp? it is not THAT interesting:)
well. a aleph P1.7, a borbley pre amp and a J-fet boz will have to do:D

EDIT: it said. about 20db:)

Horio 11th December 2012 12:56 AM

Nice preview!

Looking forward to seeing a sneak peek of the chassis. :)


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