>> I've read the archives and know that this is a common problem. but is it a
>> tube quality issue, or something about the amp. perhaps a parasitic or
>> filament current inrush problem? Either way I've lost confidence in both
>> Amperex 3-500Zs and the AL-80B. I want to dump the unit and get something
>> more reliable.
>
>Rod,
>
>What were the code dates of the failed tubes?? That is a four digit number
>like 9838 which means 38th week of 1998.
>
>There is no parasitic problem and inrush problem. First, it is technically
>impossible for a parasitic to cause that damage.
Eimac differs. Tom also says that nothing can be learned by tube
autopsy. Eimac does tube autopsies. The farther out an apologist gets
out on a limb, the more he/she seems to write.
>......
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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