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| I've been using the variac on all my receivers , Now ,usually 115v is the commom operating voltage for boatanchor receivers I've been using 100v on my Hammarlund sp-600 . It runs cool for long hours . Is this better for the components? I've read that tubes need to be at a certain voltage ( within their specifications) to operate well. Some of the "Collins fanatics" attest to this as well. Be well everybody |
| How much voltage should I use | |
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