6J4S CSF, premium matched pair, NOS/NIB, perfect milspec tubes
3 in stock
One matched pair (2 pieces) CSF 6J4S, special military quality tubes. The tubes are tested and matched on our Neuberger RPM375.
True NOS/NIB tubes from military stock. Limited quantity available.
These tubes are among the best, if not the best, if you are looking for this kind of tube. Just check the web…
These nice French tubes are from former NATO stock and in excellent new condition. Tubes and boxes are immaculate.
These tubes are guaranteed to be new and unused!