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#Korg m1 power supply software#
Modern capacitors intended for power supply applications are so good that any component with the proper voltage and capacitance ratings would certainly be adequate for the use you mention.Case Finder Live Sound & Lighting Shop By CategoryĬase Finder Software & Plug-ins Shop By Category
#Korg m1 power supply series#
Of course, a real capacitor does have a slight amount of loss, usually quantified by a "dissipation factor," a "quality factor," or an "equivalent series resistance." Such a real capacitor will indeed dissipate average power, but in an amount far less than the product of voltage rating and the "ripple current." I imagine that the ripple current rating for the capacitor you mention was arrived at by considering the equivalent series resistance and the acceptable temperature rise for the capacitor as a result of the average power dissipated by this current. Taking the product of peak voltage across the capacitor and peak (or rms) current through it and calling that product the "power dissipation" of the capacitor fails to consider the phase relationships of these time-varying quantities, which are such that over a long observation period the average power will be zero. An ideal capacitor is an energy storage element and cannot dissipate average power (as measured in watts or kilowatts). However, this calculation results in a physically meaningless quantity. In the first place, I believe you meant to say "current times voltage," which does come out to be 1 kW for the nominal ratings mentioned for the capacitor. I would probably be just fine with the 2.4A ones.īut I would be surprised to see over 1kW of ripple in a power supply! Please enlighten me if I am off base.You are a little off the rails (ha ha). I can't see any indication of power output on the amps, but the 60V supply line has a 3A fuse in it, so I dont see that the Caps need to be rated anywhere near 10A. The 60V rail only supplies a pair of power amps but it is in a large building. So they are probably well over specced at 10A. These originals have survived 40 years and still going strong as far as I can see whereas the smaller ones I just replaced on the 15V rail had all blown. My understanding is that these specs are used in a formula to determine life time.
#Korg m1 power supply full#
The capacitor is in circuit to smooth a 60V rail on the output from the full wave bridge rectifier.
To be honest I dont think you are off base. a 10A substitute by using 4 capacitors rated 2.5A in parallel, each about 550uF (parallel capacitors additive rule).īut I would be surprised to see over 1kW of ripple in a power supply! Please enlighten me if I am off base. Using the Mouser page specs above, you could provide approx. Ripple current is associated with the amount of power the capacitor needs to dissipate (current squared times voltage), allowing for a safe temperature rise.