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Bernie Schroder has found that the HV transformer degeneration can be slowed considerably by keeping the HV module cool and dry. | Bernie Schroder has found that the HV transformer degeneration can be slowed considerably by keeping the HV module cool and dry. | ||
The mod he was taught by [[Jim Willams]] involves replacing the tube rectifiers with NTE517 diodes. | The mod he was taught by [[Jim Willams]] involves replacing the [[5642]] tube rectifiers with NTE517 diodes. | ||
However, this this reduces the load on the regulator circuit by about 1 Watt due to the lack of tube heater filaments. | However, this this reduces the load on the regulator circuit by about 1 Watt due to the lack of tube heater filaments. | ||
This forces the regulator past its design limit and can result in lack of regulation, until the transformer heats up and more power is required due to losses. | This forces the regulator past its design limit and can result in lack of regulation, until the transformer heats up and more power is required due to losses. | ||