Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
Free library / Schemes of radio-electronic and electrical devices

Loudspeaker device. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Speakers

Comments on the article Comments on the article

A distinctive feature of the proposed device for high-quality sound reproduction (see figure) is the introduction of an acoustic load of the dynamic head diffuser on a closed volume formed by a cavity between two facing one another diffusers of two identical direct-radiation dynamic heads connected in antiphase.

Thanks to this design of the loudspeaker, the rigidity of the cone increases in the so-called piston operating range of the head and, in addition, the transient response of the loudspeaker improves.

Loudspeaker

There are several options for building a loudspeaker using this principle (Fig. a and b).

German Patent No. 2906002

Authors: Bezold D., Schütz R., Heisler W.; Publication: N. Bolshakov, rf.atnn.ru

See other articles Section Speakers.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

saffron against cancer 23.08.2012

Biochemist Amr Amin of the University of the United Arab Emirates fed saffron to 24 rats daily for 24 weeks. Two weeks later, these rats received injections of a substance that causes liver cancer. The same substance was administered to eight rats not receiving saffron. Result: of those who ate saffron, four rats fell ill with liver cancer, and six of those who did not receive saffron.

Experiments on a culture of human liver cancer cells showed that saffron extract inhibits the action of proteins that stimulate cell division and starts the process of cancer cell death. But it would be too expensive to treat with saffron, this expensive spice consists of the stamens of the crocus seed, harvested by hand. Perhaps it will be possible to isolate and synthesize those substances that give saffron healing properties.

Other interesting news:

▪ Lead is stronger than steel

▪ Chip (three-phase electricity meter) ADE7752

▪ New ferroelectric memory chip FM25L16

▪ Large scale gravitational accumulator built

▪ Cricket and carrot food print

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ site section Electric motors. Article selection

▪ article Monday is a hard day. Popular expression

▪ Article How long can a person live? Detailed answer

▪ article Head of the customs brokerage department. Job description

▪ article Solders and fluxes. Properties. Encyclopedia of radio electronics and electrical engineering

▪ article Switching stabilizer, 12 volts 4,5 amperes. Encyclopedia of radio electronics and electrical engineering

Leave your comment on this article:

Name:


Email (optional):


A comment:





All languages ​​of this page

Home page | Library | Articles | Website map | Site Reviews

www.diagram.com.ua

www.diagram.com.ua
2000-2024