Up for auction is this quad set of very rare 1950s or early 1960s STC 4311B valves made in Sydney under licence to Western Electric. These are vintage pulls from high end broadcast equipment from the 1950-60ss.  I was able to have a few of these tested by a previous buyer and the tested valves all rated as good or higher on an AVO mk4 though these particular valves weren't tested.  I am selling these untested and without guarantee, these are not NOS. These present very well in very clean condition and very close factory numbers.  A good opportunity to pick these up for a very good price! I have a long and excellent history on ebay, I pack well, and am happy to do international shipping with insurance. Domestic shipping includes insurance as part of handling fee. Please do not bid if you do not intend to buy, I do not refund for change of mind.

Up for auction is this quad set of very rare 1950s or early 1960s STC 4311B valves made in Sydney under licence to Western Electric. These are vintage pulls from high end broadcast equipment from the 1950-60ss.  I was able to have a few of these tested by a previous buyer and the tested valves all rated as good or higher on an AVO mk4 though these particular valves weren't tested.  I am selling these untested and without guarantee, these are not NOS. These present very well in very clean condition and very close factory numbers.  A good opportunity to pick these up for a very good price! I have a long and excellent history on ebay, I pack well, and am happy to do international shipping with insurance. Domestic shipping includes insurance as part of handling fee. Please do not bid if you do not intend to buy, I do not refund for change of mind.