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Old 21st June 2010, 12:41 AM   #201
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just wanted to say that this is the most detailed and transparent phono stage I've ever heard. I thought my olde Threshold FET-10/PC was _really_ good, but in comparison 'The Phono Stage' makes the FET-10 sound muddy and indistinct. Now I feel an urge to upgrade my entire turntable system... thanks for the good work on this PCB and circuit - it's truly a wonder.
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Old 21st June 2010, 02:09 PM   #202
fmena is offline fmena  Canada
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Default Question re : PCB Boards needed?

Hello Peter.
I am very interested in your phono stage but have a question in regards as to how many PCB boards are actually needed for the build.

In post # 77 you stated:

"You will need two PS boards, but could do with only one phono board by cutting it in half. The layout allows separate wire feed with dedicated bypass caps. I will be presenting it soon.
However, constructions wise, it's easier to simply populate one side only (phono) on each complete board."


In the excellent photo examples presented in this thread it looks like there is only one Power Supply (PS) PCB board and one Phono PCB board being used.

Have you had a chance to document the use of 2 PS boards?

Is my assumption correct that one could either use:
(a) one PS PCB board and one phono PCB board for a build
(b) or two PS PCB boards and two phono boards for a build?

Thank you for your time
Cheers
Frank M
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Old 21st June 2010, 02:28 PM   #203
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Normally, a single board is sufficient for the project (PS and phono pcb are separated with a scoring line)

The upgrade would be using separate supplies for each channel, and then you would need one phono PCB (you can cut it in half if you want to keep channels separately) and two PS boards.
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Old 21st June 2010, 03:52 PM   #204
Carlp is offline Carlp  United States
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I'm afraid this is probably somewhere in this thread, but I've read it (read most of it a while ago) and haven't seen any instructions for ordering the boards for this project. Nor what's included in terms of instructions other than this thread. Can someone illuminate me? Thanks.

Carl
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Old 21st June 2010, 04:57 PM   #205
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For all orders you need to contact me through email. The board is $40.

I don't think more instructions are needed than what's posted here, but of course, I can answer any additional questions.
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Old 11th July 2010, 03:45 AM   #206
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Hi Peter,
Would it be ok to use one board per channel for balanced operation ? I have another balanced phono that was built from four mono boards but it sounds decidedly odd (when compared to my Klyne)
Cheers,
Lara.
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Old 11th July 2010, 10:29 PM   #207
quan is offline quan  Australia
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Hi Daniel, those V -caps -how long do they take to run-in?
my phonostage is dead quiet but yet opened up after 20 hours.
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Old 12th July 2010, 03:01 PM   #208
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Some say they take at least 200 hours to properly break in.
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Old 12th July 2010, 03:03 PM   #209
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Quote:
Originally Posted by LaraBingleHo View Post
Hi Peter,
Would it be ok to use one board per channel for balanced operation ? I have another balanced phono that was built from four mono boards but it sounds decidedly odd (when compared to my Klyne)
Cheers,
Lara.
I don't think you can take just two separate channels and use them in balanced mode, as this would effect filter's characteristic.
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Old 12th July 2010, 04:52 PM   #210
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Any users here of the CuTf VCaps?

Chris
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