|Set of four PCBs for the Battery-operated Valve Radio Mains Power Supply [18108171-4]|
Four PCBs for the project titled "A power supply for battery-operated valve radios" from the August 2017 issue.
Each is a double-sided PCB with plated through holes, solder mask and silkscreen overlay. This set includes the following:
Note: four resistors have been mis-labelled on the first batch of PCBs. This will be corrected in later batches. Please refer to the PCB overlay in the magazine for the correct values.