11-30-2013, 03:04 PM
Picked up a 40-190 skyscraper today and it is missing a couple tubes.
According to the label one of them is a number 84(rectifier tube) and the other is a 7B7.
Why is it I can't find an 84 tube on ebay?
Are they rare tube?
Is there a substitute for this tube?
Thanks
murf
According to the label one of them is a number 84(rectifier tube) and the other is a 7B7.
Why is it I can't find an 84 tube on ebay?
Are they rare tube?
Is there a substitute for this tube?
Thanks
murf