> 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
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