"Andre Jute" wrote in message
oups.com...
On Oct 19, 12:11 am, "Iain Churches" wrote:

The noise floor was exceptionally low. Later, a quick
look on the bench revealed the noise floor to be 100µV, so a
SNR of 105dB and at 96W, the THD was only 0.1%

It depends on your outlook whether you view the Velleman K40x0 as that
rare thing, a perfect all-round amp --

(snip)

Oh,. I don't think it is anywhere near that!
I regard it as a good-sounding DIY project, no more.
The fact that the tube sockets are mounted on the PCB
really put me off.

I have a Radford STA 100. So no contest.

Iain