Iain Churches wrote:


Getting the new phono working, still a bit of hum to track down (as ever),


Particularly important in a RIAA circuit.


Yep, all part of the fun.


but I am quite stunned just how low noise these E810F pentodes are, huge
Gm (50ma/v) and a equivilant noise of about 100R. And they are cheap and
easy to find..


Did you get the HP334A?
It will give you a great deal of useful information, and thinking
about all that new-found knowledge will keep you awake at night.

No, trying to be clever, I missed bidding by a few seconds. Next time I
will just bid what I am prepared to pay and sit back.

--
Nick