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Cary Audio Design Superior Quality and Value

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  #4981  
Old 09-25-2018, 06:46 AM
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BearCityUSA BearCityUSA is online now
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Originally Posted by Analog Addict View Post


That would do it. What is it... besides cool as shit.
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  #4982  
Old 09-25-2018, 12:52 PM
FloridaBoy FloridaBoy is online now
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Mercury vapor rectifier?
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  #4983  
Old 09-25-2018, 04:50 PM
Musica Amantem Musica Amantem is offline
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So what do you think about this tube?
Have one. Prefer my original mesh plate, though. The Acqua is fine, but maybe because of the rigid plate it does not quite sound as good as the original mesh plate. Maybe is just a matter of requiring more settling time? This is so subjective!
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  #4984  
Old 09-25-2018, 04:59 PM
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Finally got both the KT77 and KT66 tubes from Gold Lion burned in. Neither one has the tonal density of something like the RCA 6L6-GA, but the GL's do have their strengths. Clarity, focus, detail. And rhythm/pace. They really do boogie!

I've got a pair of Penta Labs KT88's and Gold Lion KT88's burning in right now (using a 2nd system) and they should be fully cooked in the next 3 days. I like to run in every tube for at least 200 hours before doing any serious listening. Some might even go for 300 (like the black treasure carbon coated tubes or the teflon coated Psvane tubes).
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  #4985  
Old 09-25-2018, 10:00 PM
Analog Addict Analog Addict is online now
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Originally Posted by BearCityUSA View Post
That would do it. What is it... besides cool as shit.



It's an 866 half wave mercury rectifier.

Good news - it'll handle up to 5000V and it looks cool as $hit.

Bad news - needs 5 amps of 2.5 filament voltage and you need two for full wave rectification.

I recently stashed away a pair of 816s for my next amp build, which are a smaller mercury half wave rectifier.



It has the advantage of only needing 2A of filament voltage at 2.5V and can handle 7500V.

Size comparison...

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