In the previous article "How to Design a Living Room Cinema", Xiaobian mentioned an article about sharing speaker knowledge in the near future. Today, let's take a look at the knowledge of various types of speakers.
1, floor-standing speaker
Floor-standing speakers generally use more sound-emitting units, so they are more suitable for placement in a large space, and the distance between the audience's listening position and the speaker can be kept within 5 meters, not only can fully feel The sense of scale and sound brought by the speakers, the positioning and detail of the sound are also better. In addition, the floor-standing speaker has a larger woofer, which is unmatched by other speaker products in terms of low-frequency transient response speed and low-frequency quality. Most floor-standing speakers are designed in a three-way split mode. The connection performance and sound reproduction have a more delicate and durable performance.
2, bookshelf speakers
Regarding the use of the bookshelf speaker, it can be clearly distinguished by comparison with the floor-standing speaker. For example, in the listening distance, the bookshelf speaker needs a closer distance, about 2-3 meters, and the bookshelf speaker. The sound energy that can be restored is generally low. When listening to some more complicated and multi-programmed music, the sound energy and details of the sound will be degraded. In addition, the bookshelf type speaker mainly adopts the two-way sound split design, so in the low frequency There is no floor-standing speaker in the performance.
3, wall speaker
The wall-mounted speaker mentioned here is actually composed of two parts. The first part is the SoundBar equipment used in conjunction with high-definition flat-panel TVs. These products can be equipped with a mini surround sound system by attaching a flat-panel TV. Due to its small size and low-key and stable shape, it is suitable for audio-visual spaces with an area of ​​10 square meters, such as living room, small study, bedroom and so on. At the same time, wall-mounted speakers have another form, which is a satellite surround speaker. These products are known for their small size and are also as big as a fist. They can be mounted and suspended on the wall. The biggest difference between the two types of products is that the former can install multiple different sounding units, while the latter mostly use two or one sounding unit. Both of these wall-mounted speakers have a common feature, that is, there are certain defects in the reduction of low-frequency, because when purchasing such products, the merchants generally use a subwoofer to sell the set to compensate for the low frequency. Insufficient sound. This type of product is also the living room theater configuration mode selected by most audio and video enthusiasts.
4, embedded speaker
Embedded speakers can also be divided into several different types, and our most common products are mainly in the two types of In-Wall and In-Cell speakers. This type of speaker product is mainly used in environments where you want to hide the speakers to achieve a clean and beautiful space while also having music playback capabilities. Embedded speakers are used everywhere in our lives, and we can see examples of embedded speakers installed in public places, office environments, and outdoor facilities. The built-in speaker is suitable for installation in any distance and size of the room, but the point to note is that it must be installed in the room design, complete the speaker installation design, because the embedded speaker can not be changed positionally after installation There are very high requirements for the later sound adjustment. We generally do not recommend ordinary consumers to DIY an embedded theater. Such embedded theater systems are generally only the exclusive services of professional design companies.
Cold And Heat Shrinkable Tube
Cold shrink tubing is an open ended rubber sleeve, made primarily from rubber elastomers with high-performance physical properties, that has been factory expanded or pre-stretched, and assembled onto a supporting removable plastic core.Cold shrink tubing shrinks upon removal of the supporting core during the installation process and the electrician slides the tube over the cable to be jointed, terminated or abandoned and unwinds the core, causing the tube to collapse down, or contract, in place. Cold shrink tubing is used to insulate wires, connections, joints and terminals in electrical work. It can also be used to repair wires, bundle wires together, and to protect wires or small parts from minor abrasion. It needs storage in controlled environments with temperatures not exceeding 43 degrees celsius.
The heat shrink tubing is a shrinkable plastic tube used to insulate wires to provide wear resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical work. It can also be used to repair insulation on wires or bundle them together to protect wires or small parts from minor wear and create cable entry seals that provide environmental seal protection. Heat shrink tubing is typically made of nylon or polyolefin that shrinks radially (but not longitudinally) to between one-half and one-sixth of its diameter upon heating.
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Cold And Heat Shrinkable Tube
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