
M2TECH
VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
USER MANUAL
REV. PrB – 8/2017

VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
REVISION PRB – AUGUST 2017
Copyright © 2017, M2T ech Srl
2

VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
REVISION PRB – AUGUST 2017
Copyright © 2017, M2T ech Srl
3
www.m2tech.biz
Warning!
Changes or modifications not authorized by the manufacturer can invalidate the
compliance to CE regulations and cause the unit to be no more suitable to use. The
manufacturer refuses every responsibility regarding damages to people or things
due to the use of a unit which has been subject to unauthorized modifications or to
misuse or to malfunction of a unit which has been subject to unauthorized
modifications.
This unit is compliant with the following CE regulations: CEI EN 55022:2009 Class B (Radiated Emissions),
CEI EN 55024:1999, CEI EN 55024:A2/2003, CEI EN 55024:IS1/2008 (Radio Frequency Electromagnetic
Fields, 50Hz Magnetic Field Immunity Test and Electrostatic Discharges – ESD).
For a proper operation of this unit, all connections to other equipment in the system must be done
when all equipment are off. Failing to comply with this advice may lead to damage to the Van Der
Graaf MkII.
The label above, printed on the product case, indicates that the product, when no more usable, can’t be
treated as generic garbage, but must be disposed of at a collection point for recycling of electrical and
electronic equipment, in compliance with the WEEE regulation (Waste of Electrical and Electronic
Equipment).
By making sure that this unit is correctly recycled, you will help preventing potential damages to environment
and human health, which could be caused by a wrong treatment of this product as generic garbage.
Materials’ recycling helps saving natural resources. For more in-depth information about recycling this
product, please contact M2Tech Srl.
WARNING: the information contained in this manual are considered to be reliable and accurate.
M2Tech reserves the right to change or modify the information any time, without prior advice. It’s up
to the customer to ensure that the manual being consulted is the latest version.

VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
REVISION PRB – AUGUST 2017
Copyright © 2017, M2T ech Srl
4
www.m2tech.biz
Dear customer,
Thank you for purchasing VAN DER GRAAF MkII. You are the owner of a very high quality
power supply with many unique features, designed to obtain the best performance in
conjunction with every M2Tech product.
VAN DER GRAAF MkII implements a specific set of technological and functional solutions,
from the ultra-low noise, discrete components regulators, to the ability of selecting the
voltage at some outputs, to the sequence activation of used outputs.
VAN DER GRAAF MkII is provided with a comprehensive set of outputs which allow for
powering any M2TECH product, from old Evo series units to the YOUNG MkIII and the NASH.
We’re sure that your expectations will be fulfilled by purchasing VAN DER GRAAF MkII: your
M2Tech products will exhibit an incredible increase of their sonic performance, so you can
now prepare for a whole new listening experience!
Nadia Marino, CEO
Please note here your VAN DER GRAAF MkII serial number and purchase info for future
reference:
S/N: _______________________ Date of Purchase: _________________________
Place of Purchase__________________________
Note: Proof of retail purchase, such as your purchase receipt, will be required in the unlikely event
that any warranty service will be required

VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
REVISION PRB – AUGUST 2017
Copyright © 2017, M2T ech Srl
5
www.m2tech.biz
TABLE OF CONTENTS
1. Unpacking and Placing the Unit.......................................................................................7
2. Front Panel ......................................................................................................................9
3. Back Panel.....................................................................................................................11
4. Connecting and Powering the Unit.................................................................................13
5. Cleaning the Unit ...........................................................................................................13
6. Outputs Toggle ..............................................................................................................15
6.1. Setting and changing the activation sequence ........................................................15
7. Setting the VAN DER GRAAF MKII to sense IR on/off commands ................................17
8. Overload and Protection ................................................................................................17
9. Specifications.................................................................................................................19

VAN DER GRAAF MKII
VERY LOW NOISE POWER SUPPLY
REVISION PRB – AUGUST 2017
Copyright © 2017, M2T ech Srl
6