On Jul 22, 2006, at 10:38 PM, Martin Sole wrote:
> The Henry 2K Classic X heavy duty is now useable it seems. It is going
> to need a complete strip down and cleaning, a sort of mini restoration
> but it does look as if it is going to be a very nice amplifier when
> sorted. Of the two tubes that came with it one is known to be bad. A
> little drive causes it to light up like an ultra violet neon tube
Perfect for a spectacular table lamp base. A neon-sign transformer
will light it up FB.
> with a
> resounding 'pop' this happens easier at the higher anode voltage
> and is
> generally followed by a series of louder pops and a big 'bang'. I
> presume this is a tube fit for nothing other than looking at and as a
> result I want to consider how I might best replace it.
>
> The bad tube is an Eimac 3-500Z date code 8849. The good one is
> also an
> Eimac 3-500Z date code 8611.
>
> Should I consider a single tube or only a matched pair?
Since Chinese 3-500ZGs apparently have a similar Mu, why buy two?
>
> Is there a preferred supplier? RFP seems to get good reviews.
yes
>
> Will anybodies tubes fit inside the glass chimneys?
>
> Thanks
>
> Martin HS0ZED
>
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>
R L MEASURES, AG6K. 805-386-3734
r@somis.org
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