A radio is an electronic device capable of receiving radio station programs, which allows us to hear all kinds of interesting and useful information such as news, stories, knowledge, etc.
So, how to choose a radio? This article will introduce you to the tips and principles of radio purchase from the following aspects, hoping to provide you with some references.
1. Determine the purpose
Before choosing a radio, you need to determine what you want to use it for, what kind of programs you want to listen to, and what kind of occasions you want to use it. Different radios may be required for different uses. For example:
If you just want to listen to local radio stations, then all you need is a radio that supports frequency modulation (FM) and medium wave (AM), which are generally cheaper and simpler, and easier to operate and listen to.
If you want to listen to remote radio stations, or want to explore more of the radio world, then you need a radio that supports shortwave (SW), such a radio can receive a variety of radio stations around the world, including international radio, amateur radio, maritime radio, etc., but such radios are generally more expensive and complex, and also require more skill and patience to listen.
If you want to listen in high quality**, or want to experience the effect of stereo sound, then you need a radio that supports FM stereo (FM stereo), such a radio can allow you to hear more clearly and dynamic**, but such a radio generally needs to be used with headphones or external speakers, otherwise the stereo effect may be lost.
If you want to listen to digital radio, or want more features and services, then you need a radio that supports digital radio (DAB), such a radio can allow you to hear more high-definition and stable broadcasting, and can also allow you to get more information and interaction, but such a radio generally needs to be used in areas with digital radio signal coverage, otherwise it may not be able to listen.
2. Choose a brand
After deciding on the use, you have to choose a suitable brand to buy a radio. The choice of brand will affect the quality, performance, after-sales and other aspects of the radio, so you have to choose according to your needs and budget. In general, there are several options:
Domestic brands:Domestic brand radios are generally cheaper and more practical, and are also more suitable for the domestic listening environment, some brands also have good technology and reputation, such as Desheng, Shanjin, Kailong, etc., these brands have their own factories and after-sales service, and there are many different grades and types of radios for you to choose from.
Japanese brands:Japanese brand radios are generally more expensive and exquisite, and they are also more suitable for listening to foreign radio stations, and some brands also have a high reputation and level, such as Sony, Panasonic, Sanyo, etc., these brands have a lot of classic and high-end radios, and there are also many loyal fans and enthusiasts.
German brands:German brand radios are generally more expensive and professional, and they are also more suitable for listening to shortwave and digital radio, and some brands also have strong technology and strength, such as Gende, Teknick, Robert, etc., these brands have a lot of high-performance and high-quality radios, and there are also many professional users and audiophiles.
3. Compare performance
Once you've chosen a brand, you'll want to compare the performance of different models of radios in order to find the best one for you. The performance of the radio mainly includes the following aspects:
1. Receiver range
The radio range refers to the frequency range of the radio station that the radio can receive, which is generally divided into several bands such as frequency modulation (FM), medium wave (AM), short wave (SW), long wave (LW), etc., different bands have different characteristics and uses, and you have to choose the right band according to the station you want to listen toGenerally speaking, FM has the best sound quality, medium wave has the widest coverage, short wave has the most content, and long wave stability is the best.
2. Radio sensitivity
Radio sensitivity refers to the signal strength of the radio station that the radio can receive, generally expressed in decibels (db) or microvolts (UV), the higher the radio sensitivity, the more stations the radio can receive, the better the radio effect, but it may also be subject to more interference and noise, so you have to choose the appropriate radio sensitivity according to the listening environment you are inGenerally speaking, the listening environment in urban areas is more complex and requires lower radio sensitivity, while the listening environment in rural areas is simpler and requires higher radio sensitivity.
3. Radio selectivity
Radio selectivity refers to the ability of the radio to distinguish and filter adjacent stations, generally expressed in kilohertz (khz), the higher the radio selectivity, the better the radio can suppress and exclude adjacent stations, the clearer the radio effect, but it may also miss some weaker stations, so you have to choose the appropriate radio selectivity according to the signal strength of the station you want to listen toGenerally speaking, FM stations are denser and require higher radio selectivity, while medium and short wave stations are sparse and require lower radio selectivity.
4. Audio stability
Radio stability refers to the ability of the radio to maintain and lock the radio station that has been received, generally expressed in hertz (Hz), the higher the radio stability, the better the radio can resist and eliminate external interference and changes, the more stable the radio effect, but it may also reduce the sensitivity and selectivity of the radio, so you have to choose the appropriate radio stability according to the listening environment you are inGenerally speaking, the listening environment in urban areas is more complex and requires higher radio stability, while the listening environment in rural areas is simpler and requires lower radio stability.
5. Radio sound quality
Radio sound quality refers to the quality of the sound output of the radio, generally expressed in hertz (Hz) or decibel (dB), the higher the radio sound quality, the clearer and more beautiful the sound output of the radio, but it may also increase the power consumption and cost of the radio, so you have to choose the right radio sound quality according to your listening preferences and budgetGenerally speaking, FM has the best sound quality, followed by medium and short waves, and long waves have the worst sound quality.
6. Radio power consumption
Radio power consumption refers to the power consumed when the radio is working, generally expressed in watts (W) or milliamperes (mA), the lower the radio power consumption, the more energy-saving and environmentally friendly the radio, but it may also affect the performance and function of the radio, so you should choose the appropriate radio power consumption according to your usage habits and needsIn general, battery-powered radios require lower power consumption, and mainly-powered radios can accept higher power consumption
7. Radio function
Radio function refers to the radio's other functions in addition to radio, such as alarm clock, timing, recording, **Bluetooth, USB, etc., the more radio functions, the more intelligent and versatile the radio, but it may also increase the complexity and cost of the radio, so you have to choose the right radio function according to your actual needs and preferencesGenerally speaking, if you just want to simply listen to the radio, then you only need a basic radio function, and if you want more features and services, then you can choose a feature-rich radio.
The above is the content of how to choose a radio introduced to you in this article, I hope you can find a radio that suits you through these tips and principles, and make your listening life better.
If you have any other questions or suggestions, please feel free to communicate with me and I will do my best to help you. Thank you for reading and have fun!