This is IPSec Tubular-well's utility site
As new applications is introduced they will be announced here.
For more information about IPSec visit ipsec.se
My recent contribution : distribution of audio tubes where zero-defects, customer satisfaction and decent conditions are the goal : tubular-well.se
Building stuff for fun and without profit :
Build a Dynaco ST70 clone vta-70
Rebuilding an fm-1 tuner to a linebuffer / cathode follower with a IR remote control
Refurbishing a Dynaco PAS3X with tubes4hifi powersupply board, otherwize in standard ( MINT) condition
Building a "bedroom guitar amp molly , demonstrating the use of JJ ECC99 as powertube
Building an exact tubemeasuring device aka tubetracer uTracer
An old Dynaco sca35 is refurbished
Building a riaa using design and board from valvewizard.co.uk
Building a Dynaco pas4 klon
Mixed tube documents tubedoc
Save your mailserver from spam - try spews2.manet.nu blocklist.
Some thoughts how to improve a Toyota prius
Whats in a number ? Can a number be protected by Copyright?
How can you tell when Donald Trump lies ? answer
Karl Walfridsson Minnesanteckningar En Krigares Minnen" i pdf format ( originalet tyvärr förlorat)