Group mentioned by name only in BS Unfortunately no information was found regarding group history. Mary's College of Maryland. They each shared a mutual passion for making music and melding a wide variety of musical sounds, cultures and genres.
Trombone History: 20th Century
Airplane, Military and Non-Sports Trading Cards
For these reasons, subwoofers are typically very inefficient at converting electrical energy into sound energy. This combination of factors accounts for the higher amplifier power required to drive subwoofers, and the requirement for greater power handling for subwoofer drivers. Bass reflex enclosure schematic cross-section Heavily braced and built subwoofer enclosure Subwoofers have been designed using a number of enclosure approaches: Each enclosure type has advantages and disadvantages in efficiency increase, bass extension, cabinet size, distortion, and cost. Subwoofers are typically constructed by mounting one or more woofers in a cabinet of medium-density fibreboard MDF , oriented strand board OSB , plywood, fiberglass, aluminum or other stiff materials. Because of the high air pressure they produce in the cabinet, subwoofer enclosures often require internal bracing to distribute the resulting forces. The smallest subwoofers are typically those designed for desktop multimedia systems.
The original goal of this project was to recreate a stereo system similar to the one I owned in college in the early 70's and later sold when I needed the money after college. Visually, these systems were way superior to the black front, digital read-out systems of today. And these systems were loud - designed to play rock music of the era. Why Is Vintage Stereo Collectible? Marantz - before restoration Marantz Receiver circa with 70 watts per channel.
Silk[ edit ] Silk was extensively used in China for traditional Chinese musical instruments until replaced by metal-nylon strings in the s. Only purely silk strings used for the guqin are still produced, while some silver-wound silk strings are still available for classical guitars and ukuleles. The quality in ancient times was high enough that one brand was praised as 'ice strings' for their smoothness and translucent appearance.