2011: Menno van der Veen:
"Signal level and frequency dependent losses inside audio signal transformers and how to prevent those";
pdfpaper 8360, 130th AES Convention 2011 in London.

2007: Menno van der Veen:
"Low level audio signal transfer through transformers conflicts with permeability behavior inside their cores";
pdf122nd AES Convention 2007, Austria, paper 7125.

2004: Menno van der Veen:
“The Vanderveen MC10 Moving Coil Step-Up transformer”;
Click here to download the manual in pdfDutch or pdfEnglish”.

2003: Menno van der Veen & Piere Touzelet:
"New vacuum tube and output transformer models applied to the Quad II valve amplifier";
pdf114th AES Convention 2003, Amsterdam; paper 5748.

1998: Menno van der Veen:
“Modelling Power Tubes and their Interaction with Output Transformers”;
pdf104th AES Convention 1998, Amsterdam; paper 4643.

1997 : Menno van der Veen:
“Theorie en praktijk van Ringkern Uitgangstransformatoren”;
pdfRB Elektronica, Januari 1997, pp. 9-18.

1995 : Menno van der Veen:
“Ringkern Transformatoren voor Audio?”;
pdfRB Elektronica, Februari 1995, pp.28-33.

1994: Menno van der Veen:
“Theory and Practice of Wide Bandwidth Toroidal Output Transformers”
pdf97th AES Convention 1994, San Francisco, preprint 3887


2021: Menno van der Veen
“The Birth of the TS2019-PP80 Amplifier”
pdfPOW80-t and GIT80-t ACCESS and OFFERS

2021: Srajan Ebaen (6moon):
“High-End-press Vanderveen-Trans-SE10 evaluation”

2021: Menno van der Veen:
“Modification-1 for the Vanderveen-Trans-SE10 kit”
Download Modification-1: pdfVanderveen-Trans-SE10_MOD-1_Anti-Plop.pdf

2021: Menno van der Veen:

2020: Menno van der Veen:
‘’Vanderveen-Trans-SE10 Tube Amplifier DIY-kit’’
Download the construction manual:  zipMANUAL VANDERVEEN-TRANS-SE10 1.5.2.zip37.64 MB
See Products > Valve Electronics > Amplifier kits

2019: Menno van der Veen:
“Build an 18 W Single-Ended Valve Amplifier with Trans Technology”
pdf2019-december-AudioXpress VDV-TRANS-SE18 artikel.pdf
zipFree download Gerbers
See Products > Valve Electronics > Amplifier kits

2019: Arjen van den Hoek:
“UL40-S2 Autobias Ig2 compensation”

2018: Menno van der Veen:
“TubeSociety 2A3-300B-SE Amplifiers (Part 2)”
pdfAudioXpress, May 2018, pp. 46-57

2018: Menno van der Veen:
“TubeSociety 2A3-300B-SE Amplifiers (Part 1)”
pdfAudioXpress, April 2018, pp. 50-59

2017: Menno van der Veen:
“Modern Tubes in the UL40-S2”;

2016: Menno van der Veen:
“Trans Adventures”;

2010: Menno van der Veen: 
“New record buffer isolates the MCML05 from its environment”;

2010: Menno van der Veen
Download the PR20HE service manual in zipPR20HE-UK.zip8.46 MBzipPR20HE-DL.zip15.2 MB, zipPR20HE-NL.zip8.51 MB

2009: Menno van der Veen:
“Second modification of the line stage with ECC99 of the Vanderveen MCML05 pre-amplifier”

2009: Menno van der Veen:
“Improved drive of the UL40-S2 power valves in ST-mode plus auto-bias”;

2009: Menno van der Veen: 
“First modification of the MCML05 line stage; from ECC82 to ECC99”;

2008: Menno van der Veen:
“Auto-bias largely improves base and micro detail reproduction”;

2007: Menno van der Veen:
“Modify the UL40 Step by Step”;

2006: Menno van der Veen:
“TubeSociety TS-VV-2006 valve preamp”

2005: Menno van der Veen:
"Universal system and output transformer for valve amplifiers";
pdf118th AES Convention 2005, Barcelona; paper 6347.
This article is a compressed summary of “The Project”.

2005: Menno van der Veen:
“The Project”

2004: Menno van der Veen:
“MCML05 Service-Manual";
download in pdfDutch or pdfEnglish

2004: Menno van der Veen:
“Screen Grid Modification”;

2004: Menno van der Veen:
“Modify the UL40-S2 into a Super-Triode amplifier”;

2002: Menno van der Veen

2001: Menno van der Veen:
“UL40-S2 service":
download the construction manual of the UL40-S2 in pdfDutch or pdfGerman or pdfEnglish

1999: Menno van der Veen

1987 : Menno van der Veen:
“H-Tech buizenbak; 100 W buizen-eindversterker”;
pdfRB Elektronica, September, pp. 26-27 en Oktober 1987, pp. 22-27

 1985 : Menno van der Veen:
“Buizen-eindversterker van 40 W; de allerlaatste der Mohikanen?”;
pdfRB Elektronica, September 1985, pp.329-333.


2017: Menno van der Veen:
“What happens when the Damping Factor of an Audio-Amplifier is changed?”



2016: Menno van der Veen:
“All about the Vanderveen-Tentlabs-ARTA-2 measuring unit”;
Dutch language. zipDownload with complete building information, inclusive PCB-gerber-files.



2021: Masaki Inui, Toshihiko Hamasaki, Menno van der Veen
pdf“Intermodulation Distortion Analysis of a Guitar Distortion Pedal With a Starving Circuit”

2012: Menno van der Veen & Guido Tent:
“MEC-50 and MEC-100 miniature electronic chokes”
Download manuals in pdfDutch or pdfEnglish.

2011: Menno van der Veen & Guido Tent:
“Auto-bias module improved”;

2009: Menno van der Veen & Guido Tent:
“The E-choke”;
Download manuals in  pdfDutch or pdfEnglish.

2008: Menno van der Veen & Guido Tent:
“Automatic valve bias module”;

2008: Menno van der Veen & Hans van Maanen:
"Non-linear distortions in capacitors";
pdf124-th AES Convention 2008, Amsterdam; paper 7500.

1983: Menno van der Veen:
pdfRadio Bulletin, December 1982, pp. 505-508 en Januari 1983, pp. 20-24