>Happy 2004 Ampers
>I just got myself a Dentron Clipperton L amplifier before Xmas. All four
>tubes were dead flat so I got it for a good price.
>I have put 4 new 572B's into the amp and it purrs along very nicely. I will
>need to set the filament volts to the correct value because we have between
>240 and 250 Volts AC mains here in West Oz and the amp caters for 230V mains.
>Looking at the old tubes which came with the amp, there are lots of little
>silver/grey couloured little molten metal balls stuck to the silvered
>surface near the getter and rolling around within the tube envelopes. I've
>never seen this sort of thing before. Does anybody have any experience of
** Are the filaments open?
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