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EL34 tube options for more bass/tonal richness

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Howdy, all.
 
I picked up a Chinese FTLYS EL34 SET amp and I am really enjoying experimenting with it on my Cornwall 1.5s.   It sounds nice - airy and with a nice soundstage.  I am honestly shocked at what I got for $260 with free shipping from Amazon Prime!
 
 
 
The amp came with stock tubes that were branded FTLYS...unsure who made them.
 
I would like to role some tubes to give it a richer, “plummier” quality, with more bass / tonal weight / bass slam.  The tone is a bit too light/glassy for the kind of music I listen to at the volumes I listen to it.  What would you suggest?  I understand the amp has limitations due to the design, but I have heard amps of comparable wattage with much more “richness”, so know it’s not just a matter of power.  
 
It’s a $250 amp, so not looking for $300 tubes, looking for a “value” suggestion...
 
 
Thank you!!!

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for more slam & authority to the bottom end I’d suggest electro harmonix 6ca7’s. but the trade off is I’d call the top end as more accurate than rich. they are a direct replacement for el34’s 

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There is no way to predict how a particular tube will perform in your amp.  The only way to know is to experiment and draw your own conclusions.  

 

Maynard

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Trial and error...

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I suspect the output transformer is more probably the cause instead of the tube itself.

Not enough primary inductance will cut into the bass.

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On 4/30/2019 at 1:42 PM, Danieln said:

I suspect the output transformer is more probably the cause instead of the tube itself.

Not enough primary inductance will cut into the bass.

 

Hard to point to one area.  Outputs are over-rated as to sound quality importance in my building experience. 

 

Probably,................ its the whole amp, its entire design and its parts execution.  Just guessin'.

 

Jeffrey

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