Abstract: An acoustic bracket system comprising a bracket section containing an insert holder; coupling means connectable to the bracket section; and an insert securable to the insert holder and adapted to hold one or more acoustic transducers is provided. In one embodiment the coupling means comprises two flanges. In one embodiment the coupling means comprises a plurality of hooks. The acoustic bracket system is tunable and securable to framing members which are designed to support a sounding board. In one embodiment, the insert is a conformable foam insert with an opening into which each of the one or more acoustic transducers is securable. The acoustic bracket system is acoustically tunable with mass, stiffness and damping to enhance the audio performance of the one or more acoustic transducers.

Abstract: A speaker enclosure mounted within an internal wall of a vehicle may employ first and second enclosure halves that are vibration welded together to define an enclosure or cavity between the halves. A first leg and a second leg protrude from a bottom of the second half. The legs may have strengthening ribs to govern leg deflection resistance and further each have a resilient s-shaped tab protruding from the distal end of each leg to contact the wall of the vehicle. A first and a second fastener leg may each define a fastener hole and accept a fastener to help secure the speaker enclosure along with the first and second resilient legs. The fastener legs each may protrude from an enclosure half.

Abstract: A baffle assembly fastening system and mounting frame assembly that can be installed and secured without the use of tools. A baffle assembly frame defining an opening to receive a fixture and having an exposed first surface. A fastener is rotationally coupled to the baffle frame. The fastener extends from the exposed first surface to secure the baffle assembly to a recessed mounting frame, wherein the fastener can be manually rotated from a disengaged position to an engaged position in less ring is coupled to the baffle assembly and has a plurality of aligning posts that serve to align the baffle assembly as it is inserted into a recessed mounting frame.

Abstract: A portable electronic apparatus includes a housing and an output device configured to output sound. The output device is disposed on a surface on an inside of a slope disposed on a lower surface of the housing, the slope resulting in the housing being opened in a predetermined direction. The slope forms a space between the slope and a mounting surface on which the housing is placed. The surface on the inside of the slope includes a curved surface. The curved surface may be concavely curved relative to the bottom surface of the housing. The electronic apparatus may also include an input device, and the output device may be disposed on a side forward of the input device.

Abstract: A speaker frame that can be rotated to adjust the direction and/or angle of sound dispersion of a speaker mounted therein. One embodiment of the invention includes a recessed speaker frame with an angled flange mounted on an angled ridge. The angled flange rides on the angled ridge to cause the angle of the speaker frame to change, relative to a mounting surface, within a range of angles. The range of angles defined by the maximum cumulative angle of the flange and angled ridge.

Abstract: A parcel shelf structure in a rear area of a vehicle body includes a parcel shelf disposed between first and second rear cross members. The parcel shelf has in the center thereof a speaker installation section comprised of a bottom part that accommodates a step formed in a downwardly concave manner from a surface of a frame unit of the parcel shelf. The speaker installation section is formed by a peripheral wall that slopes downward from the surface of the frame unit toward the center of the speaker installation section, and the surface area of the speaker installation section is small.

Abstract: The present invention is directed to a pad and sound transmission system which is adapted to directly transmit audible sound waves into the body at high intensity levels. In one embodiment, the subject invention includes a back pad and a seat pad. Each pad includes a speaker module having an acoustic speaker disposed within the pad and surrounded by a plurality of different layers.

Abstract: An architectural speaker assembly includes a speaker supported within the speaker enclosure of a mounting fixture. A grill is provided to conceal the speaker. A grill support is configured to support the grill substantially flush with a facing ring of the mounting fixture to blend into the surrounding ceiling or wall. The grill support includes a concave wall that surrounds the speaker. A number of bosses project form the wall, each boss supporting a permanent magnet that magnetically engages the grill to firmly hold it on the grill support.

Abstract: A method of mounting a speaker enclosure for a ceiling or wall mounted speaker which includes the selection of a flexible polymer speaker housing forming a hollow chamber having a speaker opening therein and being collapsible to a smaller size. A hole is cut into a building, ceiling or interior wall and a selected speaker housing is collapsed to a size to fit through the speaker opening in one side of a ceiling or wall. The collapsed flexible polymer speaker housing is then expanded on the other side of the ceiling or wall and attached to the ceiling or wall with an adhesive or the like adjacent the opening and a speaker attached to the ceiling or wall opening.

Abstract: An in-wall or ceiling speaker enclosure (10) having a predetermined air volume is provided, and includes a housing (22) designed to support a speaker assembly (18) between a pair of adjacent wall studs (12,14). The enclosure (10) also has an expandable air chamber (24) of predetermined volume operably coupled and in communication with housing (22). The enclosure (10) can be easily mounted within a pre-cut wall opening (32) of minimal size.

Abstract: A speaker grille has a grille base, a plurality of front through holes formed on a front side of the grille base, and a plurality of back through holes formed on a back side of the grille base, each of the plurality of front through holes communicating with one of the plurality of back through holes at its inner end. The front through holes are smaller than the back through holes at the inner ends. Such speaker grille is formed by injection-molding a resin using a mold having a stationary half provided with a plurality of stationary side mold pins, and a movable half provided with a plurality of movable side mold pins. The stationary half is designed to form a front side of the speaker grille. The stationary mold pins have distal end faces that are smaller than distal ends faces of the movable mold pins.

Abstract: An auxiliary mounting device 10 for an in ceiling speaker system comprises a ceiling reinforcing element 11 and an elongate element 21. The ceiling reinforcing element 11 includes a flat plate portion 12 and a vertical portion 14 provided to extend vertically from the flat plate portion, 12. The vertical portion 14 is capable of being in a slidable state in which the vertical portion 14 is vertically slidable and in a fixed state in which the vertical portion 14 is fixed so as not to vertically displace.

Abstract: A speaker device includes a vibration system having a frame and a magnetic circuit. The frame has a magnetic circuit housing unit, an outer peripheral portion having an annular shape arranged on the outer side thereof, and multiple arm parts connecting the magnetic circuit housing unit and outer peripheral portion. Plural flat surfaces to which a cushion is attached are formed on an upper surface of the outer peripheral portion and a lower surface thereof. Each of the flat surfaces on the upper surface of the outer peripheral portion and each of the flat surfaces on the lower surfaces are connected by a corresponding connecting part. The plural flat surfaces to which the cushion member is attached are formed between the outer peripheral wall of the outer peripheral portion and the inner peripheral wall thereof, rather than the outer side of the outer peripheral wall of the outer peripheral portion.

Abstract: A loudspeaker mounting frame (1) for an electronic appliance has a central opening for receiving a loudspeaker membrane (24), and a plurality of through holes (11) surrounding said central opening for receiving fixing means (25). The through holes (11) are tapered so as to accommodate the fixing means (25) in varying orientations. Spherical bosses (6) surrounding said through holes (11) are formed at a rear side (5) of the mounting frame (1).

Abstract: Fire-resistant shroud (“Fire Shroud”) for a barrier surface-mountable electromagnetic device, including a synthetic vitreous fiber body having a cavity configured to the shape of a portion of the electromagnetic device. Barrier surface-mountable loudspeaker system, including a barrier surface-mountable loudspeaker having a back-can including a sound-producing element; and a synthetic vitreous fiber body having a cavity configured to the shape of a barrier surface-mountable loudspeaker back-can. Method of installing a barrier surface-mountable electromagnetic device in a barrier surface of an interior space.

Abstract: A process and kit is provided for retro-installing a speaker enclosure for a wall mounted speaker. The process includes mounting a selected speaker surround member in a building wall between the front and back wall surfaces and between the wall studs and around the opening for a wall mounted speaker and adhesively mounting a selected sheet of vibration dampening material to the back wall surface behind the opening for the wall mounted speaker and attaching a flexible sound absorbent material to the vibration dampening material so that a wall mounted speaker enclosure is installed in an existing building wall.

Abstract: A flangeless mounting system, suitable for in-wall speakers and other objects, includes a panel that replaces a substantial section of wallboard instead of being installed behind the wallboard. In preferred embodiments a rim extends outwardly from a first surface of the panel by a distance of less than ½ inch, and preferably by only ? inch or even 1/16 inch. The face of the object can be quite large, up to 40 in2 or more, and still be relatively small with respect to the panel. Panels are contemplated that have a width at least two, three or more times that of the face of the object, and along with optional wings are wider than the stud separation in the wall.

Abstract: A flangeless mounting system, suitable for in-wall speakers and other objects, includes a panel that replaces a substantial section of wallboard instead of being installed behind the wallboard. In preferred embodiments a rim extends outwardly from a first surface of the panel by a distance of less than ½ inch, and preferably by only ? inch or even 1/16 inch. The face of the object can be quite large, up to 40 in2 or more, and still be relatively small with respect to the panel. Panels are contemplated that have a width at least two, three or more times that of the face of the object, and along with optional wings are wider than the stud separation in the wall.

Abstract: A bracket for retaining a sound transducer against a soundboard. The bracket is mountable to architectural frame members and is operable to balance the load of the transducer in the bracket. The bracket includes a spring element that is operable to hold the sound transducer against the soundboard with a specified force.

Abstract: A frame for a speaker device has an annular outer peripheral portion. The outer peripheral portion includes plural wall portions concentrically formed. An end surface of the wall portion on an inner circumferential side of the outer peripheral portion is formed at a position recessed as compared with an end surface of the wall portion on an outer circumferential side in a direction of a central axis of the outer peripheral portion.

Abstract: A method of mounting a speaker enclosure for a ceiling or wall mounted speaker which includes the selection of a flexible polymer speaker housing forming a hollow chamber having a speaker opening therein and being collapsible to a smaller size. A hole is cut into a building, ceiling or interior wall and a selected speaker housing is collapsed to a size to fit through the speaker opening in one side of a ceiling or wall. The collapsed flexible polymer speaker housing is then expanded on the other side of the ceiling or wall and attached to the ceiling or wall with an adhesive or the like adjacent the opening and a speaker attached to the ceiling or wall opening.

Abstract: A door trim speaker grille with an electroluminescent lamp for use with an audio speaker of a vehicle. The electroluminescent lamp is positioned for emitting visible light through sound passages in the speaker grille. In certain embodiments of the invention, the electroluminescent lamp may be integrally molded with the speaker grille. One method of forming the door trim speaker grille is by an injection molding process that places the electroluminescent lamp as an insert in the mold cavity.

Abstract: The disclosure relates to an in-wall speaker system, specifically a system that is not readily visible and mounted in a room. The in-wall speaker system is comprised of a base frame that is adapted to be mounted between support members of a wall. The in-wall speaker system further has a speaker assembly mounted to the base frame and an active member that has an outer surface which is substantially coplanar with the surrounding wall section and in one form extends slightly outward therefrom. The base frame, speaker assembly, and the active member cooperate to form an acoustic chamber that is positioned behind the inner surface of the active member. Acoustic energy is transferred from the speaker assembly to the active member where the sound is produced therefrom to the room.

Abstract: A horn including a substantially flat coupling flange defining a coupling flange plane, a substantially planar mouth defining a mouth plane, an elongated throat extending between the coupling flange and the mouth, a transducer for generating a sonic output operationally connected to the coupling flange, and a major axis extending through the elongated throat. The coupling flange plane and the mouth plane are nonparallel and define a horn angle. The major axis connects the coupling flange and the mouth and the elongated throat is characterized by a substantially steadily increasing sectional area along the major axis from the transducer-connecting end to the mouth connecting end.

Abstract: An acoustic transducer provided with at least one sound source for generating an acoustic centre and a predetermined construction for guiding sound generated by the acoustic centre, which acoustic transducer can be fixed to a fixing wall, wherein the predetermined construction is so designed that, during operation, the generated sound is displaced by the predetermined construction to a displaced acoustic centre at a location that is on the fixing wall (5), when the acoustic transducer (10) is fixed to the fixing wall (5).

Abstract: A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and when inserted into a receptacle provided in the panel the housing pivots so as to seal the opening section to the panel.

Abstract: A pivoting panel-mount speaker assembly comprises a speaker housing. The speaker housing has a perimeter flange portion, an exterior housing wall extending rearwardly from the perimeter flange portion, and an interior curved track extending rearwardly from the perimeter flange portion. The interior curved track has an outward facing convex surface and an inward facing concave surface. The speaker assembly further comprises a speaker unit having a transducer element and a speaker frame supporting the transducer element. The speaker frame has an outward facing surface configured to slidably engage the inward facing concave surface of the housing interior curved track. The speaker assembly further comprises a speaker support member attached to the speaker unit. The speaker support member also has an inward facing surface configured to slidably engage the outward facing convex surface of the housing interior curved track.

Abstract: An articulating speaker assembly for the interior of a motor vehicle, which includes sidewall trim defining a pocket in the trim, includes a housing and at least one speaker operatively supported within the housing. The assembly includes at least one pivot arm having first and second ends. The first end is operatively connected to the housing and defines a rotational axis, and the second end is attached to the vehicle and defines a pivotal axis. The at least one pivot arm is adapted to pivot about the pivotal axis to selectively move and position the housing at each point along a path between a retracted position wherein said housing is operatively supported within the pocket and aligned substantially flush with the sidewall trim such that the sidewall trim and the housing are substantially co-planar in the retracted position of the housing, and an extended position outside the pocket.

Abstract: This invention provides a baffle isolation system for isolating a baffle from a housing in a loudspeaker mounting system. The isolation system may include an isolation mechanism that insulates the baffle from the speaker housing. The isolation mechanism may include a bumper member coupled to a hollow shaft. In another embodiment, the bumper member may also include at least two resistant members located on either side of the bumper and coupled to the hollow shaft. These resistant members act to acoustically reduce sound penetration through the isolation system. Radial isolation may be achieved by the bumper acting to reduce the transmission of vibrations from the baffle to the housing, while longitudinal isolation may be achieved by the resistant members. Ideally, the bumper and the resistant members may be manufactured out of an elastomeric material and may be designed as separate members or as one unitary member.

Abstract: A vibration dampening speaker mounting assembly includes a flush-mountable frame for mounting to a wall or ceiling, at least one vibration dampening member, and a baffle for supporting a single or multi-driver transducer array. The at least one vibration dampening member is disposed between the baffle and the frame to reduce acoustic distortions coupled to the wall/ceiling from the baffle. Fasteners are provided that permit installation of the baffle to the frame without tools while avoiding significant acoustic coupling between the baffle and the frame through the fasteners.

Abstract: A sound system employing wide band loudspeakers, which includes one or more loudspeakers constructed to be placed and housed one inside the other in a closed configuration for transporting and storing and to be detached one from the other and positioned in different combinations in a combined functional configuration.

Abstract: A wall mounted speaker includes a baffle and a flange and fasteners for affixing the baffle to the flange. The fasteners include a plurality of spaced posts and latch members. Each latch engages a corresponding post. The lower portion of each post is affixed to the flange and the corresponding latch is removably and pivotally mounted to the upper portion of a post. Each latch includes a body portion, a lever and a cam and is movable between a first position where the body portion is engaged with the baffle and the cam is mounted to upper portion of a post for securing the baffle to the flange and a second position wherein the body portion is moved away from the baffle for releasing the baffle from the flange. The baffle includes a plurality of channels adjacent a respective post. The body portion of each latch is positioned in a respective channel when the latch member is in the first position. The cam includes a slot formed therein for mounting the latch around an upper portion of a post.

Abstract: An entertainment sound panel that serves foreground music and paging applications. The entertainment sound panel of the present invention is constructed of honeycomb materials and adhesives. The driver of the entertainment sound panel is mounted and supported on a bridge structure that spans the entertainment sound panel on its back side. The driver interacts with the panel through the voice coil assembly. The driver is separated from the entertainment sound panel by a contact pad to deal with the shear problems between the sound panel and driver. Improvement in low frequency (bass) response is provided by a butt joint that lays next to an adjacent isolation pad, and can float freely. In another embodiment, the present invention provides a lower cost flat panel sound radiator for low end business applications where the performance characteristics of the radiator are less important than the cost. The low end flat panel radiator is constructed from a polypropylene or similar material.

Abstract: A planar diaphragm loudspeaker for use in a suspended ceiling grid and related methods of manufacturing are provided. The loudspeaker includes a rectangular, planar diaphragm of polymer material sized to fill an opening of the ceiling grid. The front surface of the diaphragm defines a three-dimensional, textured pattern formed by a secondary operation, such as, etching, perforating, and adhesion of granular or fiber material. The diaphragm may include an outer region about the periphery of the diaphragm having a density of at least 5 pcf and an inner region circumscribed by the outer region, thereby providing sufficient structural stiffness to the outside perimeter of the diaphragm and eliminating the need of an outer frame. The density of the inner region is at or below about 3 pcf throughout the inner region. Also, a shroud may secured to the diaphragm, in which the shroud and the diaphragm are securable in a first orientation for flush mounting or in a second orientation for tegular-drop mounting.

Abstract: An apparatus comprises a speaker for use with a recreational vehicle. The speaker is supported relative to the ceiling so as to extend through an aperture in the ceiling. The speaker has a central axis that is oblique relative to a lower surface of the ceiling.

Abstract: An arrangement fastens a loudspeaker covered by a loudspeaker screen to a covering part of a vehicle. The covering part has a recess adjacent to the loudspeaker. The loudspeaker screen and a holding part are mutually connected by fastening screws, and are locally supported on opposite sides of the covering part. Several mutually spaced domes are arranged on and projecting away from the loudspeaker screen to penetrate openings constructed at the covering part. Either the holding part or the loudspeaker is fitted onto the free end of each dome projecting over the covering part and being held in position thereon by a screwed-in fastening screw.

Abstract: A loud speaker according to the invention is mountable within a receptacle. The loudspeaker includes a magnetic driver and a diagragm mounted to a frame. The froame includes a mounting member extending from a surface of the frame behind the flange plane. The mounting member is engagable in a notch formed in the receptacle for securing the speaker within the receptacle. The loudspeaker enclosure has perforated layer shaped to define its inner volume. A honeycomb layer surrounds that perforated layer; and semi-rigid layer surrounds the honeycomb layer and forms the exterior wall.

Abstract: The present invention relates to a ceiling loudspeaker, primarily including adjustable fixing pieces at sides of speaker housing for installing the loudspeaker on the ceiling in position. Besides, a plurality of hooks are fitted to the speaker set, and tension springs are connected to the hooks while the speaker seat is hooked by the tension springs on the spring seats of the housing. Accordingly, the ceiling loudspeaker is convenient in assembly and stable in connection.

Abstract: A surface mounted loudspeaker is provided which, in conjunction with a mating brace which fits in a recessed form in the rear of the speaker enclosure, is mountable to a single wall in a variety of orientations, in corners with various orientations, and to a substantially horizontal surface in a variety of orientations with little if any additional hardware. In all orientations, the speaker provides good aesthetics, with the bracket being substantially invisible.

Abstract: A speaker assembly device for a door of a vehicle capable of being installed in vehicle doors of different thicknesses and shapes includes a speaker unit; a holder for mounting the speaker unit to a front portion thereof, the holder including an engagement portion at a back portion thereof; and a spacer including an engaging portion and an opposingly contacting portion, the engaging portion being engageable with the engagement portion of the holder and the opposingly contacting portion opposingly contacting the door of the vehicle.

Abstract: A surface loudspeaker array uses a plurality of sound sources, such as flat panel or planar magnetic transducers, that are mounted on either a flat or a curved surface to produce a substantially controlled sound dispersion in both the horizontal and vertical planes. The sound sources are mounted in rows and the rows are secured together to allow splaying in the vertical plane to a preset angle defined between rows.

Abstract: A speaker system and approach facilitates flexible installation and removal of an audio speaker into a structure. According to an example embodiment of the present invention, a speaker system includes mounting hardware and audio components with a fastening arrangement that facilitates the fastening of the mounting hardware to a structure and the audio components to the mounting hardware. The speaker system is amenable to a one-piece installation wherein the audio components are coupled to the mounting hardware during installation, as well as a two-piece installation wherein the mounting hardware is attached to the structure separately from the audio components. After installation, the one-piece and two-piece approaches both facilitate the flexible removal of the audio components from the mounting hardware.

Abstract: An orientation adjusting apparatus for a speaker set has a moving device, which is received in a housing, and includes a first motor, a second motor, a co-moving wheel, and an up and down movably frame biased upwards by springs. The first motor comes into contact with a top of the frame at a depressing wheel thereof. The second motor is secured to the frame, and has a second wheel. The co-moving wheel is connected to the frame. When the first, and the second motors are activated, the frame will be moved down by means of the depressing wheel for both the second wheel and the co-moving wheel to stick out from the bottom of the housing to come into contact with the ground, and the housing will be moved left and right by means of the second wheel with a rear support leg thereof as a pivot.

Abstract: A fire protective flat panel radiator assembly for installation in a suspended ceiling grid is provided. The assembly includes a flat panel radiator having a frame that supports a sonic diaphragm, which is driven by a transducer to reproduce an audio program. A back box is mounted to the radiator and the back box covers and encloses the diaphragm and other fire susceptible components of the radiator. The back box is provided with a cut-out portion that is covered with an air pervious panel, which is resistant to fire hazards but that allows air flow in and out of the back box. In one embodiment, the radiator has a bridge and the back box is formed by a pair of shells mounted on each side of the bridge to enclose and protect the diaphragm. The result is a fire protected flat panel radiator assembly that meets the fire performance requirements for air handling plenums while retaining the sonic fidelity of a flat panel sound radiator without a fire protective back box.

Abstract: The present invention includes a sound producing device assembly adapted for mounting a sound producing device assembly within a cavity. The sound producing device assembly is adapted for mounting within a cavity, such as a cavity within a boat. The assembly includes a sound producing device, a tubular member operatively connected to the sound producing device, and a flange operatively connected to the tubular member such that the flange connects to a surface.

Abstract: A planar diaphragm loudspeaker for use in a suspended ceiling grid and related methods of manufacturing are provided. The loudspeaker includes a rectangular, planar diaphragm of polymer material sized to fill an opening of the ceiling grid. The front surface of the diaphragm defines a three-dimensional, textured pattern formed by a secondary operation, such as, etching, perforating, and adhesion of granular or fiber material. The diaphragm may include an outer region about the periphery of the diaphragm having a density of at least 5 pcf and an inner region circumscribed by the outer region, thereby providing sufficient structural stiffness to the outside perimeter of the diaphragm and eliminating the need of an outer frame. The density of the inner region is at or below about 3 pcf throughout the inner region. Also, a shroud may secured to the diaphragm, in which the shroud and the diaphragm are securable in a first orientation for flush mounting or in a second orientation for tegular-drop mounting.

Abstract: A folding speaker bracket comprising a first half and a second half, wherein the first half is rotably connected to the second half, so as to define an axis about which the first and second halves may rotate. By this rotable attachment of the two halves, the speaker may be folded and then inserted through a hole in a mounting surface that is smaller than it would have been if the bracket did not fold.

Abstract: A bulb type speaker structure mainly comprises a speaker, a circuit board, and a case body. The circuit board is lodged inside of a housing of said case body. Leads connect an inside conductor and an outside one of a joint of the case body to an AD adaptor of the circuit board respectively. The speaker is set in the remaining space inside the housing and connected to an amplification circuit of the circuit board with leads. A safeguard combined to the opening of the housing can seal and form the bulb type speaker structure. Such bulb type speaker can be easily connected with a bulb holder through the joint of the case body so as to perform its facility and maneuverability of installation without additional stands.

Abstract: An in-wall speaker system is provided having a speaker enclosure which achieves high quality sound and which can be readily installed in a standard residential or other wall structure. The enclosure comprises a relatively thin elongated, resonant-free housing at the upper portion of which is provided an opening in which a loudspeaker is mounted. The lower portion of the enclosure is shaped such that the enclosure can be angularly inserted through an opening in a mounting wall and pushed downward until the upper end of the enclosure containing the speaker is disposed in the wall opening. Fasteners are employed to secure the enclosure to the wall. The fasteners are preferably quick connect fasteners for easy installation. A speaker grille is provided to cover the loudspeaker. The enclosure has sufficient volume and configuration to provide enhanced sound reproduction. Various loudspeakers can be employed in the enclosure to produce intended sound performance.

Abstract: The present invention relates to an improved structure for quick-assembly cabinet; and comprises a cabinet with a loudspeaker provided thereon. The first side of cabinet is provided with a loudspeaker holder and the second side opposite to the loudspeaker holder is provided with a screw hole. Loudspeaker stand is provided with an expansion plate larger than the foregoing loudspeaker holder; and the back of magnetic loop is provided with a pair of screw holes that allow screw to penetrate from behind the box to fix the loudspeaker. The loudspeaker holder and loudspeaker stand are provided with joints and openings, respectively. Thus the sound box can be assembled faster and no screws are needed on the front side of loudspeaker and, therefore, the production efficiency is significantly improved and the cabinet looks more attractive than conventional cabinets.