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23rd October 2010, 09:43 PM
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#1 |
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diyAudio Member
Join Date: Oct 2009
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resistor 880 ohms cathode
hi anyone knows where to buy the resistors of 880 ohms and 50w for 300b
Angela besides instrument.gracias |
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24th October 2010, 01:06 AM
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#3 | |
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diyAudio Member
Join Date: Mar 2010
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Quote:
This resistor will get very hot. I'd recommend oversizing it. 4 in a series/parallel combination is a good idea unless you have a large heatsink. It's difficult to find standard axial carbon or metal film resistors at that power level. DON'T use wire wound inductive resistors. Make certain they are a non-inductive type. |
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24th October 2010, 01:43 AM
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#4 |
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diyAudio Member
Join Date: Aug 2006
Location: Taxland, New Jersey
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Make that 100 watts. Wattage is additive whether in series or parallel.
__________________
"The supercomputer is technologically impossible. It would take all of the water that flows over Niagara Falls to cool the heat generated by the number of vacuum tubes required." ~ Professor of Electrical Engineering, New York University |
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