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There are no posted threads for using finned heatsinks embracing the tranny as passive radiators to the ambient air surround - why is this heat removal method (passive means no vibrations imparted).
what is the method to calculate fin radiators geometry size dendritic reach and materials for optimal waste heat removal? bigger is not necessarily better, right? heat jumps outwards of the tranny by conduction and into the thermal conducting sticky adhesive and then into the finned substrate, then it moves toward the coolest temperatures in the finned substrate which are the fingers, tapered, then natural convect from the dendritic finger tips out into ambient air.
i noted steady state dc high tension with a propeller fan and without, it is not negligible, 317 versus 296 dc volts for the quartet el84 in cathode bias class A pushpull. of course the sound gets richer as voltage drops, witout forced convection cooling of the tranny. but tranny longevity is being shortened by higher temperatures which slowly compromises the windings insulatory properties. tranny replacement is expensive, so isn't it prudent to operate at lower temperatures?
there are so many varieties of finned substrates available to select from, and, nobody knows whether introducing all this additional metalized surface area has consequences of aerial antennae audio signal impact, that's why we shield can the ecc83 preamp tubes for shielding impinging radiation.
thanks in advance.
what is the method to calculate fin radiators geometry size dendritic reach and materials for optimal waste heat removal? bigger is not necessarily better, right? heat jumps outwards of the tranny by conduction and into the thermal conducting sticky adhesive and then into the finned substrate, then it moves toward the coolest temperatures in the finned substrate which are the fingers, tapered, then natural convect from the dendritic finger tips out into ambient air.
i noted steady state dc high tension with a propeller fan and without, it is not negligible, 317 versus 296 dc volts for the quartet el84 in cathode bias class A pushpull. of course the sound gets richer as voltage drops, witout forced convection cooling of the tranny. but tranny longevity is being shortened by higher temperatures which slowly compromises the windings insulatory properties. tranny replacement is expensive, so isn't it prudent to operate at lower temperatures?
there are so many varieties of finned substrates available to select from, and, nobody knows whether introducing all this additional metalized surface area has consequences of aerial antennae audio signal impact, that's why we shield can the ecc83 preamp tubes for shielding impinging radiation.
thanks in advance.
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