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Anonymous users2024-02-10Hello, it's a headphone amplifier that uses tube amplification.
First of all, the headphone amplifier is the headphone power amplifier, which amplifies the analog signal output by the decoder of the phono and is a must in a set of audio systems. Some walkmans or turntables integrate decoding and amplification, while some devices are also designed to be separated. The output power of different headphone amplifiers is different, and the change of sound is also a little different, usually for players with higher sound requirements, or high-grade equipment, it is necessary to match independent headphone amplifiers.
If the headphones don't fully function on existing devices, consider using a separate amp.
The headphone amplifier has a transistor headphone amplifier that uses an integrated op amp, commonly known as a stone machine, and there are also those that use an electron tube to amplify, commonly known as a gall machine. Although the technology of transistor headphone amps is more advanced, some people still like nostalgic retro tube headphone amps, the sound is warm, and the amplification characteristics are not the same, thrust.
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Anonymous users2024-02-09The full name of "bile tube amp" is "tube headphone power amplifier".
The headphone amplifier is the headphone power amplifier, because the impedance of the relatively large headphones is very high, the small Walkman can't be brought up, and the pusher can't be pushed, so the headphone amp is active, and it is connected to the middle of the sound source and the headphones. From the main components used, it can also be divided into two types: bile machine (tube) and stone machine (transistor), so "bile tube amplifier" is "tube headphone power amplifier".
Headphone amplifiers can be divided into the following four categories from the principle of working state:
Class A amplification (class-a).
Also known as Class A amplification. is a working state of the amplifier. At this point, the transistor or tube amplifier will amplify the entire audio signal.
Class B amplification (class-b).
Also known as Class B amplification. is a working state of the amplifier. One transistor or tube amplifier amplifies the positive half of the audio signal, while the other amplifies the negative half of the signal.
Class AB
Also known as class AB amplification. A working state of the amplifier. In this case, the output stage of the amplifier is amplified as Class A when the output power is low, and converted to Class B amplification when the output power is high.
Class D amplification
In a conventional transistor amplifier, the output stage contains transistors that provide instantaneous continuous output current. There are many possible types of audio system amplifiers including Class A amplifiers, Class AB amplifiers, and Class B amplifiers. Compared to Class D amplifier designs, even the most efficient linear output stages consume a lot of power in their output stages.
This difference gives Class D amplifiers a significant advantage in many applications, as low power consumption generates less heat, saves printed circuit board (PCB) area and cost, and extends the battery life of portable systems.
The word amplification is also a word often talked about by many enthusiasts, connecting between the headphones and the sound source, and playing a role in giving full play to the strength of the headphones. A headphone amplifier is a power amplifier specially designed for headphones, which is mainly used to drive high-impedance headphones in the mid-to-high-end.
No, it's to avoid the interaction between the two channels. There is nothing wrong with two op amps working at different voltages, but it is not recommended to do this, because the front and rear voltages are different, so it is troublesome to have two sets of different voltages. The NE5534N single op amp can replace the NE5532N, and the performance is better. >>>More
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If there are no brown patches, there will be no ear mites, you can wash your ears with ear wash once a week, and you can also check for bacterial fungal infections.
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