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Inverters, Coffee Machines, Toroids, & DC Blockers
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<blockquote data-quote="kolakidd" data-source="post: 1102250" data-attributes="member: 14465"><p>This is just an FYI for anyone running a home off solar and experiences mechanical hum from Toroids</p><p></p><p>I have a couple of EL34 monoblocks with large-ish Toroids, I noticed after I went solar, and a far bit of household rewiring, that the Toroids had an intermittent pulsing mechanical hum. Voltage is completely on spec from the inverter., so no over voltage. I traced it to my glorious coffee machine, not a hard job because the comforting sound of the coffee machine pulsing in the morning is etched into my brain. Coffee machine can't go anywhere without a fight, so I decided to try DC blockers as per Rod Elliots spec. </p><p></p><p>Hum is gone and my coffee has brighter highs with a clearer image, I can literally taste where in the field it was picked. Seriously though, DC blockers on amp, not on coffee machine.</p></blockquote><p></p>
[QUOTE="kolakidd, post: 1102250, member: 14465"] This is just an FYI for anyone running a home off solar and experiences mechanical hum from Toroids I have a couple of EL34 monoblocks with large-ish Toroids, I noticed after I went solar, and a far bit of household rewiring, that the Toroids had an intermittent pulsing mechanical hum. Voltage is completely on spec from the inverter., so no over voltage. I traced it to my glorious coffee machine, not a hard job because the comforting sound of the coffee machine pulsing in the morning is etched into my brain. Coffee machine can't go anywhere without a fight, so I decided to try DC blockers as per Rod Elliots spec. Hum is gone and my coffee has brighter highs with a clearer image, I can literally taste where in the field it was picked. Seriously though, DC blockers on amp, not on coffee machine. [/QUOTE]
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DIY & Tutorials
DIY Resources
Inverters, Coffee Machines, Toroids, & DC Blockers
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