12AX7 as a substitute for 12SL7/adapter from ebay
Posted: Sat Feb 15, 2014 1:25 pm
I must be daydreaming. Is it really possible to successfully and prolongedly use 12AX7 using this adapter? In a Darling circuit?
http://www.ebay.com/itm/1pc-12AX7-12AU7 ... 2ec92a7d15
http://www.ebay.com/itm/1pc-12AX7-12AU7 ... 2ec92a7d15