I have here some Tubes "La Radiotechnique 12AX7S HF 6727 - FRS - 67024" NOS in Box, I need to know something about them. Does anyone know of a website with their features? Does anyone know their price per unit?
I have here some Tubes "La Radiotechnique 12AX7S HF 6727 - FRS - 67024" NOS in Box, I need to know something about them. Does anyone know of a website with their features? Does anyone know their price per unit?
All I can tell you is Radiotechnique (RTC) was based in France and owned by Philips. They made tubes for the French military. After WWII, Philips continued to manufacture RTC tubes and Mullard RTC's.
La Radio Technique (France) used Philips parts (Like Mullard & Amperex) to produce some of the Finest tubes ever made. Referred to as FRT, some times branded as Dario Miniwatt, This is a very rare, 12AX7S (S is For Special Quality), featuring a frame support for the getter, copper rods and su...