View cart “6J4S CSF, premium matched pair, NOS/NIB, perfect milspec tubes” has been added to your cart. Default sortingSort by popularitySort by latestSort by price: low to highSort by price: high to low View:1224All Add to cartHeadphone amp, Audio tubes & parts, Pre-amp/driver, Tubes by #6J4S CSF, premium matched pair, NOS/NIB, perfect milspec tubes 15,00 €