FIELD: sound-reproducing devices. SUBSTANCE: frame of acoustic column is manufactured in the form of monolithic prism with assembly spaces for installation of dynamic loudspeakers. These spaces have form of cones and frame is fabricated from materials exhibiting high damping capabilities, for example, from highly filled composite material on polymer base. EFFECT: improved dynamic characteristics of acoustic columns. 2 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
ACOUSTIC SYSTEM | 1997 |
|
RU2136121C1 |
LATHE CENTER (VERSIONS) | 1995 |
|
RU2087265C1 |
DISC SAW | 1992 |
|
RU2054345C1 |
SAW | 1992 |
|
RU2045374C1 |
FORCE TRANSDUCER | 1992 |
|
RU2065589C1 |
SPINDLE UNIT FOR GRINDING MACHINE-TOOL | 1995 |
|
RU2071906C1 |
SAW | 1992 |
|
RU2045373C1 |
CUTTING TOOL | 1991 |
|
RU2011478C1 |
SILENCER | 1995 |
|
RU2094733C1 |
BORING TOOL | 1992 |
|
RU2035266C1 |
Authors
Dates
1999-01-10—Published
1997-07-18—Filed