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About Vacuum Tubes

When someone throws out the phrase, "vacuum tubes," you may think they are referring to the bulky, almost all-glass electrical signal transmitters that allowed grainy black and white images to appear on the first television sets. Although it is true that a large vacuum tube played a significant role in projecting live television, the tubes that comprise modern sets are much smaller glass ones that transmit myriad electronic signals to boost performance. A simple diode attached to a circuit board represents the other end. Regardless of size, vacuum tubes must be made of highly durable glass to prevent heat damage generated by the electronic components inside of a television set. Digital televisions rely less on glass tubes to transmit signals, but some contemporary models still require electrodes to control the flow of electrical current. Consumers who want to reconstruct the classic televisions from the 1950s and 1960s will need to acquire vintage vacuum tubes to replicate the models accurately. You can find reliable sellers on eBay who can help you bring back fond memories of the birth of black and white television.