News & Events

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2020-07-07

The Construction Manual of the Vanderveen-Trans-SE10 Vanderveen-Trans-SE10 is updated. See for more information …


2020-05-07

The Vanderveen-Trans-SE10 kit is ready and can be ordered. See for more information …


2020-02-10

We made a new miniature electronic choke with 200 mA current capability: the MEC-200


2020-02-04

The December 2019 AudioXpress article about the Vanderveen-Trans-SE18 amplifier is available now.


2020-01-13

The transformers VDV-POW80-t and VDV-GIT80-t for “The Project” and the “PR20HE amplifier” are totally renewed with largely improved specifications.


2019-12-01

In the December issue of the American magazine “AudioXpress” (www.audioxpress.com), the final result of the TubeSociety Project-2018 is published: the “Trans-SE18 Single-Ended amplifier”. Parts of its schematics can be found on this website > Products > valve electronics > kits. 


2019-11-25

Two new transformers are added, special designed for guitar amplifiers. The VDV-4050-Guitar is for 50 Watt push-pull amps, while the VDV-25100-Guitar can handle for 100 Watts or more. See Products > Transformers > Other.


2019-11-22

The dates for TubeSociety lessons in 2020 are scheduled …….


2019-09-30

The TubeSociety projects from 2006 to 2011 are placed again on this website.


2019-06-18

The report of the TubeSociety-2018-Project is available on this site, mainly in the Dutch language. Hopefully you can get an impression about the great things that we are doing at TubeSociety.


2019-05-21

New research by Arjen van den Hoek about Ig2 compensation in the UL40-S2.


2019-04-03

The Website is updated, major mistakes are removed. Warn me if you find any faults and I will deal with them.


18-01-2019

TubeSociety lesson dates have changed because of the 2019 AES-convention in Dublin.


01-06-2018

The report of the TubeSociety 2017-project is available.


15-01-2018

New research of Menno about the influence of amplifiers damping factor.


21-11-2017

De TubeSociety les-data voor de eerste helft van 2018 zijn nu bekend. 


04-07-2017

UL40-S2 tested with modern tubes..


6-6-2017

The results of the TS-2016-project (design of 2A3/300B SE-amp) are available now.


17-05-2017 

A new Trans-PP-amp from Eric Rabeuf (Fr).


16-05-2017 

Video Masterclasses of Menno in NL, DL....