Cary SLP-05 Output Capacitor Question


Is the KimberCap .33uF and MultiCap 1.0uF combination on the SLP-05 the output capacitor between the tube and the output? I am using a Marchand XM126 crossover with a 1,000,000 ohm imput impedence. The V-Cap output capacitor calculator indicates I can use a .08uF cap with a 2hz low frequency cutoff. I have previously reduced the .33 and 1.0 combination to a single 2.2uf Mundorf S/G/O cap but hope to be able to reduce those to .1uF V-Cap CUTF caps.
Any answer or advice would be appreciated. Mike
mberrync
Why are you asking anyway? I don't know what your question really is as I am totally (utterly as will be apparent) uniformed, but what does the schematic show? Or is that in fact your question?
I have confirmed that the these are the output caps. Cary does not provide the schematic so I hoped someone else would know the specifics. I meant to say that I had replaced the stock cap combination with the single Mundorf cap with good results. I was very surprised that the conventional formula upon which the V-Cap calculator is based on resulted in such a great reduction in the outlet cap's value. This small a cap means I can afford to use CUTF caps which must be the intent of the calculator. Hopefully someone who has replaced a much larger cap with a much smaller one can share their experience.
The only thing you are potentially doing is raising the frequency of the -3dB down point in the low end.
I was very surprised that the conventional formula upon which the V-Cap calculator is based on resulted in such a great reduction in the outlet cap's value. This small a cap means I can afford to use CUTF caps which must be the intent of the calculator. Hopefully someone who has replaced a much larger cap with a much smaller one can share their experience.
The experience of others won't be relevant unless the load impedance they were driving approaches the 1 Megohm input impedance of your active crossover, which is an exceptionally high value. As you probably realize, that figure is why the calculator indicates 0.08 uf as being acceptable. A more typical load impedance of 50K, which is 20 times less, would raise the 0.08 uf by a factor of 20, to about 1.6 uf for the same 2 Hz corner frequency.

Good luck with your project! Regards,
-- Al