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It was a powered speaker system that offered stereo, Dolby Pro-Logic and AC3 surround sound from the soundbar and a separate subwoofer. The soundbar contained four 3-inch full range drivers and two 1-inch tweeters while the subwoofer housed one 8-inch dual voice coil driver.
A system may have low distortion for a steady-state signal, but not on sudden transients. In amplifiers, this problem can be traced to power supplies in some instances, to insufficient high-frequency performance or to excessive negative feedback. Related measurements are slew rate and rise time. Distortion in transient response can be hard to ...
However, whereas a 5.1 surround sound system combines both surround and rear channel effects into two channels (commonly configured in home theatre set-ups as two rear surround speakers), a 7.1 surround system splits the surround and rear channel information into four distinct channels, in which sound effects are directed to left and right ...
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
The system used samarium–cobalt magnets, allowing for a very low ribbon driver mass-per-unit area. [1] Variants were made, such as the EMIT-R (radial emit), the S-EMIT (super emit) and the L-EMIM (large emim). The IRS (Infinity Reference System) was an ultra-high-end system, selling at US$65,000 in the 1980s.
A cleaning company has been fined $171,000 after federal investigators found 11 children working a "dangerous" overnight shift at a meat processing plant in Iowa. The U.S. Labor Department sa id ...
The holiday shopping season has returned, and so has the potential for scams. The FBI warns shoppers to "always" be wary of deals that seem too good to be true, especially as you begin to scope ...
The Philadelphia 76ers' season might be cursed. Shams Charania of ESPN reported Thursday that Tyrese Maxey, one of the Sixers' stars, is expected to miss a "couple of weeks" with a right hamstring ...