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Modular Amps
Egnater / Randall Modular Amps
UPDATED:Please HELP! My RM80 has Failed!
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<blockquote data-quote="kc2eeb" data-source="post: 109066" data-attributes="member: 811"><p>The best way to see if the screen grid resistors have failed/are out of spec is to measure their resistance cold and then measure the voltage drop to the screen grids when the amp is powered. </p><p>So.......</p><p>Disclaimer: The voltage in the amp can kill you. If you're not competent to work with high voltage, DO NOT!</p><p>O.K.</p><p>The voltage at the screen grids should be lower than the plate voltage </p><p>by a few volts. </p><p>The discoloration may or may not be significant.</p></blockquote><p></p>
[QUOTE="kc2eeb, post: 109066, member: 811"] The best way to see if the screen grid resistors have failed/are out of spec is to measure their resistance cold and then measure the voltage drop to the screen grids when the amp is powered. So....... Disclaimer: The voltage in the amp can kill you. If you're not competent to work with high voltage, DO NOT! O.K. The voltage at the screen grids should be lower than the plate voltage by a few volts. The discoloration may or may not be significant. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
UPDATED:Please HELP! My RM80 has Failed!
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