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Elrog 300B vs Takatsuki 300B tubes

Has anyone heard the Elrog 300B tubes ? I read an article which mentioned that the Elrog 300B delivers 15% less power than a traditional 300B tubes. Can anyone confirm that it is audible ?

I am choosing between Elrog and Takatsuki 300B tubes. I would prefer the Elrog because it is cheaper and supposedly wonderful but if it really sounds less powerful then I have to rethink.
pani
swampwalker's avatar
swampwalker
5,138 posts
 
+1 to charles and raquel.  Very well said, esp. raquel's carefully reasoned and extremely well written analysis.  Perhaps the best post of the year, IMO. 
charles1dad's avatar
charles1dad
10,250 posts
 
Quick update, 
So far so good in regard to the cathode resistor swap in the Coincident Frankenstein. The Elrogs are hanging in there and continue to sound  superb. Perhaps this is the answer for long term Elrog tube life,  time will tell. 
Charles, 
markus1299
252 posts
 
How many hours so far Charles1dad?
charles1dad's avatar
charles1dad
10,250 posts
 
Hello Markus,
My Elrogs have about 220 hours of use at this  point. 
Charles, 
markus1299
252 posts
 
That's great Charles1dad. Mine failed at 184.5. I think the resistor mod has all the ear marks of being worth while.  
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