These cabinets are 180 litre, 25mm thick birch ply box with 50mm
mdf front baffle tuned to 26,5 hz.
I have upgraded the xover hf with Wilmslow Audio Supercaps and built the
modified Time Delay circuit.
All internal wire is now QED silver.
© PE1MMK Hans Hilberink & Frank Cookson - 01-08-2005.