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The Freespace 51 is an "in-ground" landscape speaker that features omnidirectional, 360-degree sound projection, as well as a bass port. The speakers are designed to blend in with outdoor landscaping, and the wiring features "Posi-Tap" connectors, so that speaker wiring can be hidden underground.
The company also produced a tilted speaker stand, the "Rectilinear Dispersion Base", intended to be used with the Model 5 speaker. [25] Although the Rectilinear speakers were distributed through a nationwide network of up to 400 dealers, most of their sales was generated on the East Coast. [26]
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
The 1925 paper [1] of Chester W. Rice and Edward W. Kellogg, fueled by advances in radio and electronics, increased interest in direct radiator loudspeakers. In 1930, A. J. Thuras of Bell Labs patented (US Patent No. 1869178) his "Sound Translating Device" (essentially a vented box) which was evidence of the interest in many types of enclosure design at the time.
These original models had a single built-in mono speaker by the keyboard. The Intel Pentium and Microsoft Windows stickers were affixed beside the top left corner of the screen. PCG-C1 - Mobile Pentium MMX 233MHz CPU, 3.2GB hard drive, 64MB RAM, ultra-wide 8.9" 1024x480 TFT display, 0.27MP webcam, integrated modem, Windows 98 (September 1998 ...
The Gauss Speaker Company, later known as Cetec Gauss, was a Sun Valley loudspeaker company. They were approved by Fender Musical Instruments Corporation [ 1 ] and found widespread use among rock musicians of the 1960s through the 1990s [cite?] .
C1 / C1/20 (1987) — IBM PC compatible laptop PC for music production (i286@10 MHz), with 8 MIDI ports and Voyetra sequencer. /20 = 20M HD; CX5M / CX5F (1984) — MSX computer for music production, with SFG-01 FM synthesizer unit including MIDI I/O; CX7M/128 (1985)— successor of CX5M, MSX2 version, with SFG-05 FM synthesizer unit
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 ...