As envisioned by DECware...
Take a Fostex FE-166E, cut out the dust cap, and use a 9 pin tube as the phase plug.
(No, it''s not April 1st, and I'm not making this stuff up) Yellow_Light_Colorz_PDT_04 Yellow_Light_Colorz_PDT_03 Yellow_Light_Colorz_PDT_01 Yellow_Light_Colorz_PDT_06 Yellow_Light_Colorz_PDT_09 :o
http://www.decware.com/newsite/DFR6.htm
He started out using a socket wrench in an FE206E, , then some mysterious magical thingie (probably salvaged off the 1947 Roswell UFO crash), now this...
I wonder if transconductance-matched tubes make for better qualityphase plugs... Yellow_Light_Colorz_PDT_09 Yellow_Light_Colorz_PDT_21
/ed B in NH