His Master's Noise: A Thoroughly Modern Tube Phono Preamp - Page 11

21st April 2010, 12:00 PM
SY On Hiatus Join Date: Oct 2002 Location: Chicagoland	His Master's Noise: A Thoroughly Modern Tube Phono Preamp After more than 25 years of faithful service, it seemed that it might be time to redo my phono system. After all, I like to think that I've picked up a few tricks in the intervening years... The old system consisted of a VPI HW17-II, a Linn Ittok LVII tonearm, and a Troika cartridge. The Troika was... Click here to read the entire article Last edited by Variac; 2nd April 2011 at 12:17 AM.

5th January 2011

Pano

diyAudio Moderator

Dang, that's pretty!

OT, how do you like the brass wool as a solder tip cleaner?

5th January 2011

On Hiatus

Pano: As it happens, Cynthia gave me one as part of my birthday present. Works astonishingly well- I wonder for how long?

"You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is."

5th January 2011

jackinnj

diyAudio Member

One may question why there are TIP50's where there should be MPSA42's -- it simmed a little lower impedance with the former.

Why, silly hare, are you fleeing from the fierce jaws of the lion now grown tame?

10th January 2011

vinylkid58

diyAudio Member

Jackinnj, you have a PM.

jeff

11th January 2011

jackinnj

diyAudio Member

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:

Why, silly hare, are you fleeing from the fierce jaws of the lion now grown tame?

31st January 2011

jackinnj

diyAudio Member

HV and Filament supplies on a new and separate compartment -- it will be shielded to protect the innocent and unwary:

Why, silly hare, are you fleeing from the fierce jaws of the lion now grown tame?

31st January 2011

studeb

diyAudio Member

i see you are having waaaaay to much fun with this

3rd February 2011

HornTube

Banned

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.

7th April 2011

Arno Pf

diyAudio Member

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

7th April 2011

On Hiatus

Wish I could understand it.

"You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is."