西電 刻字版 Western electric WE231D NIS 已售出 Sold out
西電 刻字版 Western electric WE231D NIS 已售出 Sold out
全新 原盒
測管機TV-10 Tube tester :450 micromhos.
正常值 Min:340 micromhos.
小於340 micromhos 衰減
One pcs Western electric WE231D audio vacuum tube NOS NIS
The NO. 231D vacuum tube is a three-element filament type tube
for use as an audio-frequency amplifier in the first and intermediate
stages requiring a low filament power consumption.
NOS/NIS New tube
TV-10 Tube tester :450 micromhos.
Min:340 micromhos.
