- RARE Pair NOS RCA 8166/4-1000A TRANSMITTING TUBE TRITON different packaging

- It is an old spare part that has never been used.

- Preliminary test and it works normally.

- I did do a filament test and there was continuity. Everything is tight, no rattles or particles floating around.

- You can always ask for more pictures and information.

- The packaging is different since I bought it years ago. I guess box number 1 It is a box that the old owner switched to make the brand of the box and the brand of the tube different.

- All of them are in good condition. The characteristics are as shown in the picture.

- I do not accept returns because international shipping is costly. 

  But make sure that I will check and send you       good quality products.

- Buyers have to pay import tax

- You can ask me more if you have any questions.