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The Absolute Sound was founded in 1973 by Harry Pearson, who was its editor-in-chief and publisher. In the early years, TAS was a quarterly, digest-sized magazine and accepted no advertisements. [1] During the 1970s and 1980s, TAS (along with Stereophile) was influential in the audiophile industry. [2] Pearson is credited as being the most ...
A reel-to-reel tape recorder (Sony TC-630), typical of a 1970s audiophile device. Reel-to-reel audio tape recording, also called open-reel recording, is magnetic tape audio recording in which the recording tape is spooled between reels. To prepare for use, the supply reel (or feed reel) containing the tape is placed on a spindle or hub.
Audio equipment testing. Audio equipment testing is the measurement of audio quality through objective and/or subjective means. The results of such tests are published in journals, magazines, whitepapers, websites, and in other media. Those who test and evaluate equipment can be roughly divided into two groups: "Objectivists", who believe that ...
A transmission line loudspeaker is a loudspeaker enclosure design which uses the topology of an acoustic transmission line within the cabinet, compared to the simpler enclosures used by sealed (closed) or ported (bass reflex) designs. Instead of reverberating in a fairly simple damped enclosure, sound from the back of the bass speaker is ...
Audio Research Corporation ("ARC") is one of the oldest manufacturers of high-end audio equipment still in operation. The company was known to be a pioneer at advancing state-of-the-art audio reproduction in the 1970s, and for re-introducing the vacuum tube as the primary active amplification device. With the help of reviews in audiophile ...
Audio system measurements are used to quantify audio system performance. These measurements are made for several purposes. Designers take measurements to specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative defects of an audio ...
The Absolute Sound. Harry Hall Pearson, Jr. (January 5, 1937 – November 4, 2014), known to his readers as HP, was an American journalist, audio reviewer, and publisher who founded The Absolute Sound magazine for high-end audio enthusiasts. Pearson is considered the most influential figure in the history of audiophile journalism. [1]
FM 1, The Army [A] – "establishes the fundamental principles for employing landpower." Together, it and FM 3–0 are considered by the U.S. Army to be the "two capstone doctrinal manuals." [6] FM 3–0, Operations [B] – The operations guide "lays out the fundamentals of war fighting for future and current generations of recruits."