Solid State Power Amplifier Kits (Modules) - Listening Tests wanted

[tiefbassuebertr]

Who have heard one of the in follow mentioned power amp modules and what sonic differences are to observe? Thank you for your comments.

I: Class AB and Class A:

Albs DAC-MOS Series (Germany - without power supply)
QUAD-MOS 600 (450-700 Euro)
Thel Audio World AccuSound 100 Endstufen Module - open-end-music-professional (foto Quad-MOS 600)
http://www.albs.de/Spec/Netzteile1_Info.pdf (power supply advices)
http://www.mikrocontroller.net/topic/229870 (schematic)
http://www.diyaudio.com/forums/soli...pamp-signal-pad-power-supply-rail-naming.html (schematic)

Thel Accusound (Germany, schematic wanted)
Mosfet-Endstufe AccuSound 100
http://www.hobby-hifi.de/Aktuell/Korrekturen/2001/1_01/1_01.html

BK electronics (U.K., schematic wanted)
Modules (integrated power supply incl. toroidal transformer)

The Signal Transfer Company (U.K., based on Douglas Self "blameless")
The Signal Transfer Company: Compact Blameless Power Amplifier
The Signal Transfer Company: Load-Invariant Power Amplifier (special made for ultra low impedance load)
The Signal Transfer Company: Trimodal Power Amplifier (selectable between Class A and Class B)

LC Technology (Denmark)
L C Audio Technology / Millennium X (without global NFB - only local feedback; no longer available in new condition - successor wanted)
L C Audio Technology/The End Millennium (schematic)

Holton Precision Audio (Australia - schematic wanted)
http://holtonprecisionaudio.com/
formerly http_www.aussieamplifiers_com/

II: Class-D

LC Technology "ZapPulse 800XE" (Denmark, schematic wanted)
L C Audio Technology / ZapPulse 800XE
Hypex UcD (Netherlands, schematic wanted)
Hypex Electronics BV - UcD700HG

 

[JonSnell Electronic]

Send me some and I will listen to them for you.
There is no service information available from Hypex. I repair FlyingMole, Class D, after spending some time working out the schematic.