Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

His Master's Noise: A Thoroughly Modern Tube Phono Preamp
His Master's Noise: A Thoroughly Modern Tube Phono Preamp
Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 14th June 2018, 08:49 PM   #511
frankwilker is offline frankwilker  Germany
diyAudio Member
 
Join Date: Nov 2011
Location: Duisburg
Hi jpjindex, i think you are right. Tell us your experience, when you are ready.
  Reply With Quote
Old 15th June 2018, 01:15 AM   #512
jpjindex is offline jpjindex  Brazil
diyAudio Member
 
Join Date: Jun 2008
Quote:
Originally Posted by frankwilker View Post
Hi jpjindex, i think you are right. Tell us your experience, when you are ready.
Sure Frank... I'll do that.
Which cartridge and input transformer do you use?
  Reply With Quote
Old 17th June 2018, 09:08 PM   #513
frankwilker is offline frankwilker  Germany
diyAudio Member
 
Join Date: Nov 2011
Location: Duisburg
Hi,
my catridge is a Micro Benz Ruby Air III.
The SUT is a sowter 9580.
  Reply With Quote
Old 18th June 2018, 01:07 AM   #514
jpjindex is offline jpjindex  Brazil
diyAudio Member
 
Join Date: Jun 2008
Micro Benz Catridge impedance = 40 ohms
Sowter 9580 ratio = 1:12.5

With R1=6k8 the cartridge was "seeing" only 42 ohms...

With R1=56K ~ 340 ohms or 8.5x its internal impedance
  Reply With Quote

Reply


His Master's Noise: A Thoroughly Modern Tube Phono PreampHide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Low noise transistor and noise figure Real_Macgyver Solid State 28 27th July 2012 09:42 AM
noise planarboy Analogue Source 2 11th February 2008 08:06 AM
Still have noise. pjanda1 Chip Amps 40 17th March 2006 03:16 PM
Help with noise davidlzimmer Chip Amps 25 5th March 2006 09:39 PM
Noise Bukitoo Analogue Source 2 17th March 2004 02:37 PM


New To Site? Need Help?

All times are GMT. The time now is 08:44 PM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio
Wiki