Davecl was founded in 2003, and we focused on HIFI stereo system and also powered speakers.

合并式胆机还需要再加一个前级吗？很多烧友都有这样的疑问。这里有三个因素，一是音源输出的讯号是否大？很多外国CD机输出讯号偏小，加台前级可以放大讯号。二是音箱的灵敏度，灵敏度在90dB以下的音箱，加台前级，声音的表现会更好。三是胆机的放大量，增益30dB的标准合并式胆机，对输入讯号的放大量约15倍左右。而增益为20dB的合并式胆机，放大量约10倍，略显不足，动态会有欠缺。如果你对声音有很高的要求，最好再添一台前级做配套，将合并功放作为后级用。前级可以增10倍放大量，两台机加起来增益可达40dB。这时候，后级会推得更轻松、声音密度高、细节丰富、瞬态更强，音响系统的表现就非常完美了。

The basic composition of the listening system and the selection of amplifiers and speakersBasic components of a listening systemFirst, let’s talk about the composition of a complete system. Simply put, it can basically consist of the following three parts:Audio source, amplifier, speakers.Sound sour

What is an AV amplifierThe A (audio) of the AV amplifier represents audio and sound, and the V (video) represents audio and image. Therefore, the AV amplifier is an audio-visual amplifier that combines audio and video signal processing. It emphasizes the atmo

About--Basic knowledge of power amplifiersThe working principle of the power amplifier is actually very simple. Intuitively, it amplifies various sound signals played by the audio source to push the speaker to produce sound. From a technical point of view, a power amplifier is like a current modulat

The Davecl Ceiling Speaker is a high-quality audio solution designed for seamless integration into your ceiling. Featuring an aluminium cone, this speaker delivers clear and crisp sound, making it ideal for both residential and commercial settings. Its sleek design ensures it blends effortlessly wit

Active and passive speakers refer to whether the speakers have built-in amplifiers.Active speakers: Active speakers are also called active speakers or automatic gain control (AGC) speakers. They have integrated amplifiers and usually include some tuning functions such as volume control, equalizer, e

A brief discussion on stereo positioningAbout positioning in stereo technology Modern stereo positioning technology is developed based on the theoretical basis of the binaural effect. Stereo means that people can feel the sound source distributed in a spatial range, making the sound sound more spati

How to choose a home theater amplifier? Reasonable matching is very importantThe home theater AV amplifier is an important part of the home theater system. It plays the role of the control center in the entire system. It serves as a link between the previous and the next on the line, driving the spe