Original Philips Miniwatt AK2
matched pair of probably unused tubes
OCTODE Frequency converter Controlling (mu)
4M1 TAK2 TK2 WE32 NMO51 O406 VAK2 RAK2 4A16 Ultron TK24
made by Philips Holand
The tubes seem to be unused, or used slightly tested with the great more than 100% results:
tube 1 Ia = 4,4/4,8mA
tube 2 Ia = 4,4/5,4mA
where 100% for the new tube is 4,2/4,5mA
the tubes are in a great technical shape.
the tubes have Europe side contact base P8A
you will get the tubes you can see at the pictures
Price is for the pair (2 tubes)
I always send the tubes by priority registered mail with tracking number within hours after receiving payment