Drake R-4C Communications Receiver Resources
Find manuals, modifications, repair guides, and reviews for the classic Drake R-4C ham radio receiver.
The Drake R-4C receiver, a classic from the golden age of tube equipment, remains a popular choice for many ham radio operators. Known for its robust build and excellent sensitivity, the R-4C provides solid performance across the HF bands, making it a capable receiver for DXing and general listening. Many hams enjoy restoring these vintage receivers, bringing them back to peak operational condition for daily use in their stations.
Operators often seek out resources for maintaining and improving their R-4C units. This includes original Drake R-4C manuals for both early and late versions, which are essential for understanding the receiver's circuitry. Common projects involve power supply modifications and addressing issues like filter leakage. Additionally, hams frequently upgrade their R-4C receivers with modern components, such as replacement filters from Sherwood Engineering, or integrate external accessories like the Ten-Tec 297 noise blanker to enhance performance against local interference.
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Technical details of the Drake R-4C receiver -
Provides the complete late version owner's manual for the Drake R-4C receiver, detailing operation, alignment, and maintenance procedures. -
A simple Drake R-4C receiver power supply modification -
The resurrection of a R-4C by W7VO -
Drake R-4C Receiver Manual (Early Version - 6HS6) -
This page describes how to make the inexpensive Ten-Tec model 297 noise blanker work with the Drake R-4C receiver. -
Filters and replacement parts for the Drake R-4C receiver by Sherwood Engineering Inc