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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
His Master's Noise: A Thoroughly Modern Tube Phono Preamp
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Old 4th January 2011, 11:21 PM   #101
Pano is online now Pano  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
Dang, that's pretty!

OT, how do you like the brass wool as a solder tip cleaner?
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Old 5th January 2011, 12:03 PM   #102
SY is offline SY  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
Pano: As it happens, Cynthia gave me one as part of my birthday present. Works astonishingly well- I wonder for how long?
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Old 5th January 2011, 12:53 PM   #103
jackinnj is offline jackinnj  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
One may question why there are TIP50's where there should be MPSA42's -- it simmed a little lower impedance with the former.
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Old 10th January 2011, 07:20 PM   #104
vinylkid58 is offline vinylkid58  Canada
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Jackinnj, you have a PM.

jeff
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Old 11th January 2011, 09:50 PM   #105
jackinnj is offline jackinnj  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
I mounted the stock values of RIAA components on the bottom of the board, then used the headers shown with which to parallel in additional C or R. You can also see the paralleled resistor to get the first stage CCS@20mA:



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Old 31st January 2011, 01:31 AM   #106
jackinnj is offline jackinnj  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
HV and Filament supplies on a new and separate compartment -- it will be shielded to protect the innocent and unwary:

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Old 31st January 2011, 02:26 AM   #107
studeb is offline studeb  United States
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i see you are having waaaaay to much fun with this
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Old 3rd February 2011, 10:45 AM   #108
HornTube is offline HornTube  North Korea
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I've build phono-pre's with CCS and pentodes. If you use CCS you can leave the tubes out cos the sound is much more like transistor than tube.

Last edited by HornTube; 3rd February 2011 at 10:51 AM.
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Old 7th April 2011, 08:36 AM   #109
Arno Pf is offline Arno Pf  Netherlands
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Hi Guys,

Including some mods here is my version of this fantastic design:
(In Dutch, but at least the pictures are clear for everyone)

Arno

MC Element met SUT upgrade
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Old 7th April 2011, 10:55 AM   #110
SY is offline SY  United States
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His Master's Noise: A Thoroughly Modern Tube Phono Preamp
Wish I could understand it.
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