Capacitor


Dear friends I am interested to upgrade my caps in the tube preamp from Audio theta tin foil 3uf200VDC to Miflex1uf 240VDC copper foil what are your thoughts will reducing the value to 1uf affect the bass and frequency response or should I go with a higher value than 3uf  
jasbirnandra
If the caps are not on the output, but interstage, you should stick with the value they have.  I am only talking about the output cap position.  The caps tied to the the RCA outputs! 
@jasbirnandra 

I have custom built 2A3 SET amps and I don’t know what the input impedance is. I doubt it’s even close to as high as your Canary 300B, but I think it’s high enough to use a cap much smaller then 3uF.

My big concern was the interstage capacitor. Grannyring’s post confirmed my concerns. For the interstage capacitor, I (and you) need to stick to 3uF. 
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I have written to Canary to confirm what the 3uf capacitors are for output or interstage lets wait for their mail