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I don’t hear a huge difference between 0.5 and 1uf, especially in vocals. Of course it’s tricky to choose the “right” value since the impedance relationship between current u47 clone tubes and current bv08s is different than the original vf14, bv08 combo. The type and brand of capacitor is also contributing in “coloration “. I have tried many different caps there and I have found metalized paper caps to work better for what my ears want to hear. Bosch s very nice if you can find one. Siemens is very nice also. I also liked aerovox a lot and Cornell doubilier super pups. The one that never worked for me is the green Russian k42…Again though…it’s a synergy of parts. It’s hard to know beforehand how the whole system will behave with certain components. The output cap is an easy part to swap so I would suggest you experiment until you find what works best.
I don’t hear a huge difference between 0.5 and 1uf, especially in vocals. Of course it’s tricky to choose the “right” value since the impedance relationship between current u47 clone tubes and current bv08s is different than the original vf14, bv08 combo. The type and brand of capacitor is also contributing in “coloration “. I have tried many different caps there and I have found metalized paper caps to work better for what my ears want to hear. Bosch s very nice if you can find one. Siemens is very nice also. I also liked aerovox a lot and Cornell doubilier super pups. The one that never worked for me is the green Russian k42…
Again though…it’s a synergy of parts. It’s hard to know beforehand how the whole system will behave with certain components. The output cap is an easy part to swap so I would suggest you experiment until you find what works best.
