TELEFUNKEN headphone division, has been following the tradition of excellence and innovation set forth by the original TELEFUNKEN GmbH of Germany that began over 100 years ago.
TELEFUNKEN headphone division origins began in 2010 when the company Nibosa AB, Sweden acquired the rights to the name and logo for use in Europe and Asia.
HISTORY OF THE NAME
The name TELEFUNKEN dates back to 1903. The company began as a joint venture between Siemens & Halske and AEG (Allgemeine-Elektrizit ts-Gesellschaft, or General Electric Company). Siemens & Halske was busy developing wireless communication for the German Army, while AEG was doing so for the Imperial German Navy. When a dispute concerning patents came up, German Emperor Kaiser Wilhelm II urged the two groups to join efforts, and the shared company TELEFUNKEN was born. The prefix "tele-" comes from the Latin word for distance, and "funken" is the German word for spark, or to make work through electric spark. Throughout the 1900's TELEFUNKEN lead the global technology industry with a number of ventures such as wireless radio communications, television sets, electronic video cameras, vacuum tubes, preamplifiers, headphones, microphones, and many more.
Our aim is to successfully re-establish TELEFUNKEN worldwide as a gem of German industry, developing the name to become one of the most sought-after brands in the consumer and electronics industry. In addition to joint activities on the part of the TELEFUNKEN Partner Alliance, ongoing expansion of the industrial business sector, including its own development and production of new TELEFUNKEN products, will play a significant role in achieving this future goal.
As TELEFUNKEN moves forward, we keep memory of the rich history of the brand, but continue endless pursuit for innovations. TELEFUNKEN has evolved exponentially from a single pattern switch to one of the industry leaders in top quality headphones.
More than for a hundred years our company produces radio equipment for various purposes. Since the beginning of the last century, we have developed radio, communication systems, introduced PAL - colour television system in Europe, which, to this day, has no analogues. Between 60's and 70's we released our two millionth reel tape recorder. Also, we didn't forget about headphones and speakers. Now, after decades, we are still true to the main goal – high quality sound. Today, as half a century ago, we still produce upscale headphones, which incorporates all our past experience, but based on the latest technology. Without changing the traditions of the past, Telefunken looking to the future with confidence.
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Generally, a mechanism that represents data using a continuously changing variable. In audio, usually a voltage that continuously tracks and represents sound pressure level.
Literally meaning "around the ear," circum aural headphones have ear pads that completely surround the ear, and ear cups that completely enclose the ear.
Closed headphones are also commonly called 'sealed' headphones, and are designed to block out environmental noise using a passive acoustic seal. Full size closed headphones provide about 10dB of isolation, mostly in the higher frequencies. Earpad closed headphones provide somewhat less isolation, strongly dependent on their design and the shape of your ear. In-ear headphones are a closed design in which the ear-pieces seal in the ear canal providing about 23dB of outside noise attenuation, and are the highest isolation of headphone type. Noise-cancelling headphones are typically closed designs that add electro-acoustic techniques to attenuate noise more than a passive seal would provide.
Typically the input impedance of a speaker/output impedance of the amplifier. An 8 Ohm speaker driven by a power amplifier with an output impedance of 0.8 Ohms would have a damping factor of 10. Typically, damping factors of 10 or more are considered good.
The element inside the headphone that converts an elecrical signal into sound pressure that is heard. Most headphones use a dynamic driver which is a coil of wire suspended in a magnet and attached to a diaphragm. Much like a very small speaker cone.
Some manufacturers have begun to cal in-ear headphones 'earphones. HeadRoom calls this type of headphone 'in-ear headphones," but they are commonly known by numerous terms including: in-ear monitor, IEM, ear canal headphones, earphones, and canalphones. In-ear headphones are inserted into and seal the ear canal, and provide the highest amount of isolation from outside noise of any headphone type including noise-canceling headphones. There are two types of in-ear headphones: deep sealing and shallow sealing. With deep seating in-ear headphones the tip of the earphone goes in about half the length of the ear canal and seats in the boney section of the ear canal; this type provides about 23dB of isolation. Shallow seating types seal near the entrance to the ear canal and provide about 15dB of isolation.
A systems gain at various frequencies. "Flat" frequency response is when the gain is constant at all frequencies. For example, a gain of two at both 20 Hertz and 20kHz, and at all frequencies in between.
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