Bullet Horn (Tweeter): A type of tweeter in which the radiator has a large passive, bullet-shaped device above its center that extends the nominal dispersion angle of the sound, thus allowing it to cover a greater area with high frequency radiation

 

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Bullet Horn (Tweeter): A type of tweeter in which the radiator has a large passive, bullet-shaped device above its center that extends the nominal dispersion angle of the sound, thus allowing it to cover a greater . . . View Full Definition

Horn Tweeter: A driver consisting of a relatively small emitter surmounted by a curvilinear or exponential horn. This is an effective system for radiating high frequencies in a variety of situations. The . . . View Full Definition

Hornfels: A high-temperature, low-pressure metamorphic rock of uniform grain size showing no foliation. Usually formed by contact metamorphism.

Horn: A type of speaker system now principally used for high-frequency reproduction, but which is capable of full range sound in its largest format. As with those huge alpine horns, even the small . . . View Full Definition

Hard Dome (Tweeter): A characteristic of some Dome tweeters in which the dome is made of some light, hard metal such as neodymium, titanium, or some of the more rigid plastic compounds. The differences in reprod . . . View Full Definition

Hawthorne Effect: A term produced as a result of an experiment conducted by Elton Mayo whereby he concluded that expressing concern for employees and treating them in a manner that fulfills their basic human . . . View Full Definition

Hornpipe: Country dance of British Isles, often in a lively triple meter: optional dance movement of solo and orchestral Baroque suite: a type of duple meter hornpipe remains popular in Irish traditio . . . View Full Definition

OTC Bulletin Board: An electronic quotation listing of the bid and asked prices of OTC stocks that do not meet the requirements to be listed on the NASDAQ stock-listing system.

Pulling In Their Horns: Investors selling off positions after a stock or bond market has increased sharply or setting up hedging positions to guard against a negative turn of the market.

Thorns: Stems modified to protect the plant.