loudspeaker installation
11Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
12Civil defense siren — Federal Signal Thunderbolt 1003 Civil Defense siren. A civil defense siren (also referred to as an air raid siren, tornado siren, tsunami siren, fire siren/whistle, flood siren, weather siren, time/curfew siren, or other outdoor warning siren) is …
13Intercom — Call button redirects here. For call buttons provided to patients in a health care setting, see Nurse call button. Intercom system in the Pittock Mansion An intercom (intercommunication device), talkback or doorphone is a stand alone voice… …
14Speaker wire — is used to make the electrical connection between loudspeakers and audio amplifiers. Modern speaker wire consists of two electrical conductors individually insulated by plastic. The two wires are electrically identical, but are marked (e.g. by a… …
15Musique concrète — (French for concrete music ) is a form of electroacoustic music that utilises acousmatic sound as a compositional resource. The compositional material is not restricted to the inclusion of sounds derived from musical instruments or voices, nor to …
16Genelec — Genelec, founded in 1978 by Ilpo Martikainen and based in Iisalmi, Finland, is a manufacturer of active loudspeaker systems especially for professional studio recording, mixing and mastering applications as well as in broadcast and movie… …
17QSC Audio Products — Infobox Company company name = QSC Audio Products, LLC company company type = Privately held company foundation = California (1968) location = Costa Mesa, California, USA key people = Pat Quilter Barry Andrews John Andrews Joe Pham industry =… …
18Lab.gruppen — is a Swedish sound equipment company, based in Kungsbacka, dedicated to building mainly public address power amplifiers. The company now (2007) has 130 employees and is owned by TC Group which also holds Tannoy, TC Electronic, TC Helicon, and TC… …
19Toshio Iwai — nihongo|Toshio Iwai|岩井 俊雄|Iwai Toshio|extra=born 1962 is a Japanese interactive media and installation artist who has also created a number of commercial video games. In addition he has worked in television, music performance, museum design and… …
20d&b audiotechnik — is a German loudspeaker and amplifier manufacturer, founded in 1981, located in Backnang, north of Stuttgart. Although d b is an international company with subsidiaries in Europe, America and Asia they take pride in the fact that their products… …
