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
immatthewj
1,874 posts
 

Deja vu?

 

https://forum.audiogon.com/discussions/signal-tube-versus-power-tube-sound-impact

audphile1's avatar
audphile1
4,898 posts
 

I think you should do this….replace your tube gear with solid state. You’re going to accomplish two major objectives - 1) have less noise in your system and 2) make less noise in the forums

ditusa's avatar
ditusa
1,883 posts
 

@audphile1 +10

Mike

dekay's avatar
dekay
5,545 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 

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