Tube televisions do have some advantages. They are generally more affordable than newer technologies such as LCD or LED TVs. Tube TVs also have a warmer and more natural color representation compared to some newer models. Additionally, some people prefer the nostalgic look and feel of tube televisions. **

Old tube televisions do not emit harmful levels of radiation. While they do contain a cathode ray tube that uses electron beams to create the images on the screen, the radiation emitted is very low and not considered to be a health risk. However, it is still important to dispose of old tube televisions properly to prevent any potential environmental contamination from the lead and other hazardous materials they contain. **

Tube televisions typically had one heart, which refers to the cathode ray tube (CRT) that produced the images on the screen. This technology used a single electron gun to shoot electrons onto the screen, creating the images we see. Unlike living organisms, tube televisions did not have multiple hearts. **

Tube televisions were once the standard for home entertainment, but in my opinion, they are now outdated and inferior to modern flat-screen TVs. They are bulky, heavy, and take up a lot of space, and their picture quality and resolution cannot compete with the high-definition displays of newer TVs. Additionally, tube televisions are becoming increasingly difficult to repair and find replacement parts for. Overall, I believe that the advancements in technology have made tube televisions obsolete, and I would recommend investing in a more modern TV for a better viewing experience. **

You can buy old tube televisions from various places such as thrift stores, vintage electronics shops, online marketplaces like eBay or Craigslist, and sometimes even at garage sales or estate sales. Additionally, you may also find old tube televisions being sold by individuals looking to get rid of them through local classified ads or community buy/sell/trade groups. Keep in mind that the availability of old tube televisions may vary depending on your location and the demand for vintage electronics in your area. **

Cathode ray tube (CRT) televisions can whistle due to a phenomenon called "coil whine." This occurs when the electrical currents passing through the components of the TV, such as the transformer or the deflection yoke, cause them to vibrate at a frequency that is audible as a high-pitched whistle. This can be particularly noticeable when the TV is displaying bright images, as the increased electrical activity can exacerbate the whistling sound. While it may be annoying, coil whine is generally harmless and does not affect the functionality of the TV. **

Yes, old tube televisions will become unusable for the new technology after the analog switch-off. This is because the new technology, such as digital broadcasting, requires a different type of television set to receive and display the signals. Old tube televisions are not compatible with the digital signals and will not be able to tune into the new channels. Therefore, after the analog switch-off, old tube televisions will no longer be able to function for receiving television broadcasts. **

Tube televisions and VCRs are no longer being manufactured by major electronics companies as they have been largely replaced by newer technologies such as LCD and LED TVs, as well as digital streaming services. However, there may still be some niche manufacturers or smaller companies producing tube televisions and VCRs for specific markets or regions where there is still demand for these older technologies. Overall, the production of tube televisions and VCRs has significantly declined in favor of more advanced and modern electronics. **