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DIY For Audio
Advice Please- headphone hum
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<blockquote data-quote="Steerpike" data-source="post: 729272" data-attributes="member: 807"><p>You can add a small (220:18 Volt) transformer (in a separate box if space is tight) to boost the AC mains. (220 + 18 = 238V). The power (VA) rating of the boost transformer can be much less than that of the appliance to which it is to supply power; you only need to match the 18V winding's current delivery to the current drawn by the 240V appliance in question.</p><p></p><p>This is a neat, non-invasive fix. And 220:18 transformers for about 0.5 amp are cheap and easy to get.</p></blockquote><p></p>
[QUOTE="Steerpike, post: 729272, member: 807"] You can add a small (220:18 Volt) transformer (in a separate box if space is tight) to boost the AC mains. (220 + 18 = 238V). The power (VA) rating of the boost transformer can be much less than that of the appliance to which it is to supply power; you only need to match the 18V winding's current delivery to the current drawn by the 240V appliance in question. This is a neat, non-invasive fix. And 220:18 transformers for about 0.5 amp are cheap and easy to get. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Advice Please- headphone hum
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