[TenTec] 4CX1600B

[John, ke5c]

> Last I looked RF parts sold 4CX1600B, has that changed? And other
> venders of Russian tubes tend to have them. Look for Svetlana or
> 4CX1500B.

Selling them and having stock are not the same thing.

> Google turned up:

The four on your list I had already called are out of stock.  That four of
four are out of stock tells me something.

> Have you asked Tentec? They treat us very fine on other parts, its
> hardly conceivable that they should be stingy about selling replacement
> tubes for their own products.

Yes.

> The tube has adequate ratings for normal 1.5 KW output that it should
> not be worn out by any use including continuous commercial service. So
> if the amplifier meets specs for efficiency now it shouldn't need a
> tube.

Unless the tube fails due to internal short, loss of vacuumn, other
manufacturing defects, etc.

73, John