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JC-2 circuit diagram of the front Mark Levisin
Phono preamp module is an audio device whose main function is to amplify the low-level signal generated by the cartridge (such as on a vinyl record player) so that subsequent audio devices (such as power amplifiers, speakers, etc.) can receive a strong and clear enough audio signal.
Main functions:
Amplify the signal: The Phono preamp module can receive the weak signal generated by the cartridge and amplify it to a sufficient level for subsequent devices to use.
RIAA equalization: While amplifying the signal, the Phono preamp module also needs to perform RIAA (Recording Industry Association of America) equalization on the signal. This is because records are equalized according to RIAA standards when they are recorded to reduce noise and distortion during recording. Therefore, the Phono preamp module also needs to perform corresponding equalization when amplifying the signal to restore the original audio signal.
Applicable scenarios:
Suitable for audio systems that need to connect to devices such as vinyl record players. Since the signal level generated by vinyl record players is low, the Phono preamp module needs to be amplified and equalized.
Suitable for users who have high requirements for sound quality. By connecting an external Phono preamp module, you can better control the sound quality and get a clearer and more delicate sound effect.
Product selection:
There are many brands and models of Phono preamp modules available on the market, and users can choose according to their needs and budget.
Some high-end Phono preamp modules also have more functions and features, such as supporting multiple cartridge types (such as MM, MC, etc.), having multiple input/output interfaces, and having volume adjustment and balance control functions.
Price range:
The price of Phono preamp module varies depending on the brand, model and function. Some entry-level products are relatively low in price, while some high-end products may be more expensive. Users can choose according to their budget and needs.
In summary, Phono preamp module is an important audio device, which is very important for those who need to connect to vinyl record players, etc.
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