"Keith G" wrote in message
...

"Ian Bell" wrote in message
...
Nick Gorham wrote:


Andy Grove went through a period of using them as the first stage in
World Design power smplifers. I don't have personally experence, but
they should be ok.


Yes, I have them (NOS military Mullards) in my KT88 - perfectly fine.
(I believe one of the reasons they were originally selected by AG is
that they are very *quiet* and they were described as 'wonderfully
linear' in the sales blurb at the time...??)


I suspect you are right about the causes of EF86 price rise - which
in a
sense pleases me because I should be able to get 6AU6s cheaply.


Note you will need dinky little B7G sockets for them...


Meant also to say that they are 'close or identical' to the EF94
according to Duncan:

http://tdsl.duncanamps.com/show.php?des=EF94

And these:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...link:middle:uk

I should be *buying* - not telling you about them!! :-)

See also:

http://cgi.ebay.co.uk/EF94-6AU6-6ZH4...QQcmdZViewItem