2. amps-preamps
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Amplifier Power tubes - important to sound?

i replaced all the small tubes on my mono amplifiers and now I'm left with replacing the stock Power tubes, kt88.

I like what I hear with 12 new small tubes - telefunken nos 12ax7 and 12at7. 

Now I am left with replacing 16 kt88 stock JJ tubes.   will Probably use Siemens 6550 nos.

How much will this impact what I hear do you think?  I recall hearing that power tubes don't make that much of a difference.

 

emergingsoul
ditusa's avatar
ditusa
1,879 posts
 

@audphile1 +10

Mike

dekay's avatar
dekay
5,529 posts
 

I'm looking forward to pic's of all these fine tubes you intend on purchasing - maybe even throw in a pic of your setup/room?

 

DeKay

perkri
907 posts
 

I built an EL84 Single Ended amp. The donor amp camp with some JJ’s. Amp was very much missing something with the JJ’s. Ordered a pair of The Tube Store preferred series 7189’s. 
 

The amp changed completely in its sonic presentation. It now sounds how I hoped it would sound. 
 

But, as a single ended amp, swapping out a tube in this simple a circuit, will showcase tube differences kind of dramatically 

roxy54's avatar
roxy54
7,956 posts
 

@emergingsoul

It’s so strange. I want to believe that your just putting us on, but in the end, I actually think that you’re really serious.

cey's avatar
cey
262 posts
 

that depend on the amp and the circuit. more feedback = less audible sonic difference in manufacture of tubes. 

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