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By: Gene McCalmont, W5DDW
After 30 or more years of service the L4B blower fan is starting to develop many issues due to age and deterioration. Until recently there was no known replacement blower fan for the L4 and L4B amplifier.
Here is an article by Gene McCalmont, W5DDW, on a replacement blower fan for the Drake Amplifier.
Click here to read Gene's Article. "Drake L4/L4B Blower Fan Repair/Upgrade"
This article is in the Adobe .pdf format and requires the Adobe Reader to display this file.