26-1-2012 |
The price of the auto-bias unit is raised due to a new interlink cable. |
5-9-2011 |
New AMPLIMO website: www.ringkerntrafo.nl |
15-5-2011 |
New AES paper from Menno about micro detail losses inside audio transformers... download here. |
26-4-2011 |
New protection for the E-choke. read more.... |
20-1-2011 |
The VDV-GIT80 and VDV-POW80 are in stock again. |
12-1-2011 |
My 2011 January AudioXpress article has incomplete figures. Download the complete article here (pdf). |
10-1-2011 |
Modification kit MCM-MOD-1 not available anymore. . |
4-1-2011 |
Vanderveen-Tentlabs improved 2011 auto-bias module. |
22-12-2010 |
USA dealer Xerocomm can not be reached anymore. Contact Vanderveen directly for your orders. |
21-10-2010 |
VDV-GIT80 and VDV-POW80 are timely not on stock. for more info. |
29-9-2010 |
Record buffer for the MCML05. |
15-9-2010 |
New German Language Masterclass DVD "Audio-Röhrenverstärker 2". |
15-9-2010 |
New book "Design valve amplifiers" in German and Dutch available. |
15-9-2010 |
Book "High-end Valve Amplifiers 2" English version is now available. |
7-9-2010 |
Worldwide addresses for ordering Vanderveen products. |
15-4-2010 |
New DVD's of Masterclasses by Menno in English and German languages. |
8-12-2009 |
New (second) modification of the MCML05 line stage |
28-10-2009 |
Measurements on E-choke improved (thanks to Burkhard Vogel). |
13-5-2009 |
Vanderveen Electronic Choke. |
2-4-2009 |
Impressive MCML05 improvement with the MCM-MOD-1. |
26-1-2009 |
PR20HE amplifier available in DIY KIT... read more... |
6-1-2009 |
New information about Vanderveen 2009 Valve Masterclasses in Germany .... click here. |
22-12-2008 |
German version of Menno's first book now as e-book available, click here. |
22-12-2008 |
New valve-amp Masterclasses in Birmingham 2009, click here. |
3-6-2008 |
Auto-bias largely improves base response and micro details reproduction. |
2-6-2008 |
Improved drive of power valves in UL40-S2. |
21-5-2008 |
New research from Menno and Hans about distortions in capacitors. |
24-4-2008 |
DVD of valve masterclass by Menno van der Veen (Dutch language) is available. |
15-4-2008 |
Click here for info about tube workshops in Vienna and Luzern. |
3-4-2008 |
Complete application note auto bias unit is available now. |
22-2-2008 |
Change the UL40-S2 into the UL40-S2P power amplifier. |
18-1-2008 |
Two AES-papers from Menno (& Pierre) are added to publications. |
29-11-2007 |
Tentlab and Vanderveen proudly announce their new advanced auto bias module. |
28-11-2007 |
Vanderveen proudly announces the new all valve pre amplifier kit MCML05. |
2-10-2007 |
How to build the PR20HE-S2 valve amplifier. |
03-9-2007 |
Masterclasses in Germany with Rainer zur Linde, www.elektor.de |
03-9-2007 |
High-End Röhrenverstärker" (German language) soon available: www.elektor.de |
21-2-2007 |
Masterclass Valve Amplifiers. |
19-2-2007 |
Price of the PR20HE-S2 is Euro 5980,- incl. VAT. |
19-12-2006 |
The new PR20HE-S2 amplifier is published in the Elektuur Audio Special 1 and is in preparation for production. |
6-12-2006 |
Starting December 5 2006 the prices of the POW80 and GIT80 have increased due to extra costs of materials (cupper) and improved manufacturing. |
22-11-2006 |
Soon available, the Dutch language version of "High-End Valve Amplifiers 2" by Menno van der Veen. |
25-8-2006 |
Pages 8 to 14 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
11-8-2006 |
Pages 1 to 7 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
21-7-2006 |
Pages 15 to 18 (chapter 2) of Menno van der Veen's Buizenboek-2 are now online. |
30-6-2006 |
Pages 8 to 14(chapter 2) of Menno van der Veen's Buizenboek-2 are now online. |
19-6-2006 |
Pages 1 to 7 (chapter 2) of Menno van der Veen's Buizenboek-2 are now online. |
19-5-2006 |
|
4-5-2006 |
THE CHALLENGE of The Vanderveen Project. |
4-5-2006 |
Pages 22 to 25 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online. |
20-4-2006 |
THE MATRIX of The Vanderveen Project. |
20-4-2006 |
Pages 15 to 21 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online. |
7-4-2006 |
Amplifiers 7-8-9: Single Ended with quiescent current compensation plus cathode feedback of The Vanderveen Project. |
7-4-2006 |
Page 8 to 14 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online. |
24-3-2006 |
Amplifiers 4-5-6: Single Ended with quiescent current compensation of The Vanderveen Project. |
23-3-2006 |
Page 1 to 7 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online. |
10-3-2006 |
Amplifiers 1-2-3: Single Ended with saturated OPT-core of The Vanderveen Project. |
24-2-2006 |
Amplifier 20: High power push pull pentode with local cathode feedback of The Vanderveen Project. |
10-2-2006 |
Amplifier 19: Push pull pentode with twice the output power of The Vanderveen Project. |
10-2-2006 |
Page 23 to 25 (end of chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
27-1-2006 |
Amplifier 18: Parallel Push Pull Pentode Amplifier of The Vanderveen Project. |
27-1-2006 |
Page 17 to 22 (chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
13-1-2006 |
Amplifier 17: Push pull triode cathode follower amplifier of The Vanderveen Project. |
13-1-2006 |
Page 14 to 16 (chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
30-12-2005 |
Amplifier 16: Triode push pull amplifier with cathode feedback of The Vanderveen Project. |
30-12-2005 |
Page 11 to 13 (chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
16-12-2005 |
Amplifier 15: Super Triode © push pull amplifier of The Vanderveen Project. |
16-12-2005 |
Page 8 to 10 (chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
2-12-2005 |
Amplifier 14: Pentode Push Pull Amplifier with Cathode Feedbackof The Vanderveen Project. |
2-12-2005 |
Page 1 to 7 (chapter 5) of Menno van der Veen's Buizenboek-2 are now online. |
18-11-2005 |
Amplifier 13: Super Pentode Push Pull Amplifier of The Vanderveen Project. |
18-11-2005 |
Page 29 to 31 (end of chapter 4) of Menno van der Veen's Buizenboek-2 are now online. |
4-11-2005 |
Amplifier 12: Triode Push Pull Amplifier of The Vanderveen Project. |
4-11-2005 |
Page 22 to 28 (chapter 4) of Menno van der Veen's Buizenboek-2 are now online. |
21-10-2005 |
Amplifier 11: Ultra Linear Push Pull Amplifier of The Vanderveen Project. |
21-10-2005 |
Page 15 to 21 (chapter 4) of Menno van der Veen's Buizenboek-2 are now online. |
7-10-2005 |
Amplifier 10: Pentode Push Pull Amplifier of The Vanderveen Project. |
7-10-2005 |
Page 8 to 14 (chapter 4) of Menno van der Veen's Buizenboek-2 are now online. |
23-9-2005 |
Part 8: Ordering transformers and the organization of The Vanderveen Project is now online. |
23-9-2005 |
Page 1 to 7 (chapter 4) of Menno van der Veen's Buizenboek-2 are now online. |
9-9-2005 |
How to build the universal amplifier of the The Vanderveen Project is online now. |
9-9-2005 |
Page 22 to 27 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
27-8-2005 |
The circuit diagram of the Project Amplifier is online now. |
26-8-2005 |
Page 15 to 21 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
1-8-2005 |
CHANGE OF ADDRESS INTO SASSENSTRAAT 21 |
18-7-2005 |
Part 5: The power transformer POW80 of The Vanderveen Project. |
18-7-2005 |
Page 8 to 14 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
1-7-2005 |
Part 4: The output transformer GIT80 of The Vanderveen Project. |
27-6-2005 |
Page 1 to 7 (chapter 3) of Menno van der Veen's Buizenboek-2 are now online. |
17-6-2005 |
Part 3: The Universal System (second section) of The Vanderveen Project |
14-6-2005 |
Page 15 to 18 (end of chapter 2) of Menno van der Veen's Buizenboek-2 are now online. |
3-6-2005 |
Part 3: The Universal System (first section) of The Vanderveen Project |
30-5-2005 |
page 8 to 14 (chapter 2) of Menno van der Veen's Buizenboek-2 are now online |
20-5-2005 |
Part 2: Introduction into the Universal System of The Vanderveen Project |
19-5-2005 |
page 1 to 7 (chapter 2) of Menno van der Veen's Buizenboek-2 are now online |
6-5-2005 |
Part 1: The philosophy of The Vanderveen Project |
22-4-2005 |
Third announcement of The Vanderveen Project |
12-4-2005 |
page 22 to 25 (end of chapter 1) of Menno van der Veen's Buizenboek-2 are now online. |
30-3-2005 |
Second announcement of The Vanderveen Project |
29-3-2005 |
page 15 to 21 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online |
14-3-2005 |
First announcement of The Vanderveen Project |
11-3-2005 |
page 8 to 14 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online |
28-2-2005 |
page 1 to 7 (chapter 1) of Menno van der Veen's Buizenboek-2 are now online |
24-1-2005 |
About the proofprint of Vacuum
Tube Book-2 |
24-1-2005 |
page 23 to 24 (end of chapter 5) of Menno van der Veen's Buizenboek-2 are now |
10-1-2005 |
page 20 to 22 (chapter 5) of Menno van der Veen's Buizenboek-2 are now |
29-12-2004 |
Important screen grid modification |
27-12-2004 |
page 17 to 19 (chapter 5) of Menno van der Veen's Buizenboek-2 are now |
13-12-2004 |
page 14 to 16 (chapter 5) are now online |
30-11-2004 |
Improvement in the UL40-S2 Super-Triode modification ! |
30-11-2004 |
page 11 to 13 (chapter 5) are now online |
15-11-2004 |
page 8 to 10 (chapter 5) are now online |
15-11-2004 |
mistake removed in figures 4 and 5 of UL40-S2 modification |
11-11-2004 |
|
1-11-2004 |
page 1 to 7 (chapter 5) are now online |
21-10-2004 |
page 29 t/m 31 (chapter 4) are now online |
4-10-2004 |
page 22 t/m 28 (chapter 4) are now online |