CN209151313U - Coaxial line array speaker - Google Patents
Coaxial line array speaker Download PDFInfo
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- CN209151313U CN209151313U CN201821799229.6U CN201821799229U CN209151313U CN 209151313 U CN209151313 U CN 209151313U CN 201821799229 U CN201821799229 U CN 201821799229U CN 209151313 U CN209151313 U CN 209151313U
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Abstract
The utility model discloses a kind of coaxial line array speakers, including super-bass loudspeaker box, bindiny mechanism and the speaker linear array being made of unit coaxial sound box, super-bass loudspeaker box is connect by bindiny mechanism with linear array speaker, inclined support plate is equipped in super-bass loudspeaker box, support plate is equipped with location hole, and the horn mouth of subwoofer unit is communicated with location hole.Compared to traditional linear array speaker, same axle unit is used in coaxial linear array speaker, the interval between voice unit and bass unit is eliminated, reduces the volume of speaker, it is easy to carry.For the ease of installing coaxial line array speaker, the tilted setting subwoofer unit of super-bass loudspeaker box, so that the size of itself and coaxial linear array speaker is matched, simultaneously because the sound wave that subwoofer unit issues inversely adds between support plate and wall box, keeps the sound wave range issued farther.
Description
Technical field
The utility model relates to speaker technology field more particularly to a kind of coaxial line array speakers.
Background technique
Speaker is usually used in audio electric energy being converted into corresponding sound energy as the extremely important component part of sound system,
And it is radiated in space.Currently, linear array speaker is mostly used in large-scale stage or large-scale outdoor occasion, due to linear array sound
There are the insufficient defects of bass for case, therefore usually add super-bass loudspeaker box on linear array coaxial sound box.Traditional subwoofer sound
Subwoofer unit is directly placed in case, the audio projection of subwoofer unit is closer, while the linear array speaker of traditional structure
It is big that there are volumes, carries cumbersome defect.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of coaxial line array speaker, phases
It is easy to carry than in traditional wire array speaker, the volume of coaxial line array speaker is smaller, at the same the audio projection of this speaker away from
From farther.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of coaxial line array speaker, including
Super-bass loudspeaker box, the super-bass loudspeaker box is including the first cabinet and is set to described first case intracorporal subwoofer list
Member, support plate is fixed in first cabinet, and the support plate is right from the left inside wall of the first cabinet to first cabinet
Inner wall is obliquely installed, and the support plate is equipped with location hole, and the horn mouth of the subwoofer unit is communicated with the location hole；
The speaker linear array being made of unit speaker, the single vowel case is including the second cabinet and is set to second cabinet
Interior same axle unit；
Bindiny mechanism, the bindiny mechanism is for first cabinet to be connect with second cabinet.
Further, the same axle unit includes washer, magnet steel, T iron plate and newel, the washer and the T iron
The two sides that plate is located at the magnet steel form the power unit of same axle unit, and the power unit is set in the newel
On.
It further, further include waveguide, the sound source end of the waveguide and the newel is detachably connected.
Further, the bindiny mechanism includes the first connection component and the second connection component, first connection component
The four corners of first cabinet Yu the second cabinet left side wall are set, and second connection component is located at first case
The four corners of body and the second cabinet right side wall, and first cabinet is fixedly connected on to the top of second cabinet.
Further, first connection component includes the first suspender member and for connecting first cabinet, described
The first connecting rod of second cabinet, first suspender member is embedded in first cabinet, in the second cabinet left side wall, described
The movable end of first suspender member and first connecting rod is equipped with the first pin hole, and first pin passes through first pin hole, will be described
First connecting rod is fixedly connected with the first suspender member of the first suspender member of first cabinet, second cabinet；Described second
Connection component includes the second suspender member and the second connecting rod for connecting first cabinet, second cabinet, and described
Two suspender members are embedded in first cabinet, in the second cabinet right side wall, the work of second suspender member and second connecting rod
Moved end is equipped with the second pin hole, and second pin passes through second pin hole, by the second connecting rod and first cabinet
Second suspender member, second cabinet the second suspender member be fixedly connected.
Further, first cabinet upper surface is fixed with hangs for vacantly hang the coaxial line array speaker
Hang device.
Further, support base is equipped in second cabinet, the support base is fixedly mounted in second cabinet
Bottom face on.
Further, the bindiny mechanism includes support rod, and the support rod is perpendicularly fixed at the top end face of the first cabinet
On, the support rod is fixedly connected with the support base.
Further, the support base indent has mounting hole compatible with the support rod shape size, the installation
There is the first screw thread in hole, the upper end of the support rod is equipped with the second screw thread, and the support rod is arranged in the mounting hole, and with
The support base is threadedly coupled.
Further, the active power amplification device of setting, the active power amplification device and the subwoofer in first cabinet
Unit is electrically connected.
Compared with prior art, the utility model has the beneficial effects that:
A kind of coaxial line array speaker, including super-bass loudspeaker box, bindiny mechanism and the sound being made of unit coaxial sound box
Super-bass loudspeaker box is connect by case linear array, bindiny mechanism with linear array speaker, and inclined support plate, subwoofer are equipped in super-bass loudspeaker box
Unit is fixedly mounted on the supporting plate.Compared to traditional linear array speaker, same axle unit is used in coaxial linear array speaker, eliminates height
Interval between sound unit and bass unit reduces the volume of speaker, easy to carry.For the ease of installing coaxial linear array sound
Case, the tilted setting subwoofer unit of super-bass loudspeaker box, reduces the volume of super-bass loudspeaker box, makes the ruler of itself and coaxial linear array speaker
Very little size matches, simultaneously because the sound wave that subwoofer unit issues inversely adds between support plate and wall box, makes to issue
Sound wave range it is farther.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the suspension type coaxial line array speaker of the utility model；
Fig. 2 is the structural schematic diagram of the vertical coaxial linear array speaker of the utility model；
Fig. 3 is the structural schematic diagram of the super-bass loudspeaker box of the utility model；
Fig. 4 is the structural schematic diagram of the unit coaxial sound box of the utility model；
Fig. 5 is the structural schematic diagram at another visual angle of unit coaxial sound box of the utility model；
Fig. 6 is the cross-sectional view of the same axle unit of the utility model.
In figure: 10, super-bass loudspeaker box；11, the first cabinet；12, subwoofer unit；13, support plate；14, leading note plate；15,
Paraphase sound hole；16, phase-reversing tube；17, handle；18, handle back box；19, erecting by overhang；20, coaxial linear array speaker；21, the second case
Body；22, same to axle unit；221, washer；222, T iron plate；223, newel；224, magnet steel；225, positioning ring；226, throat taps；
227, vibrating diaphragm；228, frame；229, voice coil；230, adjustment hole；231, sound membrane module；232, ring；233, terminal；234, after
Lid；30, bindiny mechanism；31, the first connection component；311, first connecting rod；312, the first suspender member；32, the second connection component；
321, second connecting rod；322, the second suspender member；33, support base；34, support rod；40, waveguide.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
In following specific embodiments, such as non-specified otherwise, documented "front", "rear", "upper", "lower" etc. have orientation
Indicate that the word of meaning is construed as the temporald eixis to attached drawing, documented " first " and " second " be to similar structure with
Show differentiation, should not be construed precedence relationship, primary and secondary or subordinate relation.
A kind of coaxial line array speaker, as depicted in figs. 1 and 2, including super-bass loudspeaker box 10, bindiny mechanism 30 and by list
The speaker linear array of first coaxial sound box composition, the speaker linear array being made of unit coaxial sound box are led to since bass acoustic pressure is smaller
It crosses bindiny mechanism 30 to assemble linear array speaker and super-bass loudspeaker box 10, super-bass loudspeaker box 10 is for supplying the low of linear array speaker
Line point.
Linear array speaker is assembled by multiple unit coaxial sound boxes, and unit coaxial sound box includes the second cabinet 21 and is set to
Same axle unit 22 in second cabinet 21.As shown in fig. 6, with axle unit 22 include washer 221, magnet steel 224, T iron plate 222, in
Stem 223, positioning ring 225, throat taps 226, frame 228, vibrating diaphragm 227, voice coil 229, copper cap, terminal 233, lead, dust cap, pressure
Side, sound membrane module 231, ring 232 and wave is played, wherein washer 221, magnet steel 224, T iron plate 222, newel 223, copper cap, fixed
Position ring 225 and throat taps 226 collectively constitute high bass and share magnetic circuit, frame 228, terminal 233, drum paper, lead, voice coil 229, bullet
Wave, dust cap and flanging are assembled into semi-finished product unit external member, and unit external member, high bass share magnetic circuit, rear cover 234 and sound film
Component 231 is combined into same axle unit 22.T iron plate 222, newel 223, magnet steel 224, voice coil 229 and washer 221 collectively constitute
With the dynamical system of axle unit 22, plays wave and vibrating diaphragm 227 forms vibrational system, vibrating diaphragm 227 is fixed in frame 228, frame
228 are used as support system.Each component with axle unit 22 is pasted by AB glue water.It is same according to above-mentioned treble portion and bass part
The structure of axis setting, can be small in size by the size compression of speaker to ten inches, easy to carry.
It is coaxially disposed, i.e., is overlapped with the axis of frame 228 with the axis of axle unit 22 with axle unit 22 and frame 228, it can
The phase difference of each frequency of sound wave is reduced, to reduce the linear distortion of audio signal, to improve playing quality, acquisition is preferably listened
Sense.
With the working principle of axle unit 22: when AC audio electric current passes through voice coil 229, voice coil 229 generates magnetic field, this
Magnetic field shares magnetic circuit with the high bass with axle unit 22 and generates interaction force, this power just makes voice coil 229 in same axle unit 22
High bass is shared as the vibration of tone currents signal magnitude is got up in the magnetic field of magnetic circuit, and with the vibration of vibrational system in axle unit 22
Film 227 and voice coil 229 connect together, and voice coil 229 drives vibrating diaphragm 227 to vibrate, and the vibration of vibrating diaphragm 227 produces and former audio
The identical sound of signal waveform.
As shown in figure 3, super-bass loudspeaker box 10 includes the first cabinet 11 and the subwoofer unit in the first cabinet 11
12, support plate 13 is fixed in the first cabinet 11, support plate 13 is obliquely installed from the left inside wall of the first cabinet 11 to the right inner wall of cabinet,
Support plate 13 is equipped with location hole, and the horn mouth of subwoofer unit 12 is communicated with the location hole.Subwoofer unit 12 is obliquely
It is fixed on location hole, for the speaker compared to laterally disposed subwoofer unit 12, small volume can line with above-mentioned ten cun
Battle array speaker is used cooperatively, the subwoofer phase one that the high bass and super-bass loudspeaker box 10 for issuing coaxial linear array speaker 20 issue
It causes, improves sound result of broadcast.
The phenomenon that subwoofer vibrating diaphragm loosens in vibration processes back and forth in order to prevent, therefore pass through screw for subwoofer
Unit frame is fixed in support plate 13.The edge of subwoofer unit frame loudspeaker opening is equipped with the first mounting hole, support plate
13 and first mounting hole corresponding position be equipped with the second mounting hole, screw pass through the first mounting hole and the second mounting hole, both ends
Fastening installation is carried out by nut, subwoofer unit frame is fixedly connected with support plate 13.
Leading note plate 14 is fixed in first cabinet 11, what leading note plate 14 and support plate 13 were oppositely arranged, leading note plate 14 is arranged
In the lower section of support plate 13, after subwoofer 12 vibration sounding of unit, reflection of the sound through support plate 13 becomes its audio region
Width generates forceful subwoofer effect.Support plate 13 and left side wall, the right side wall of the first cabinet 11 are permanently connected, leading note plate
14 are permanently connected with the left side wall of the first cabinet 11, bottom.Size the putting to subwoofer unit 12 at 13 inclination angle of support plate
Seated position is related, will affect the volume size of the first cabinet 11, and the horizontal sextant angle of support plate 13 and leading note plate 14 is in 30-60 ° of model
In enclosing.In the present embodiment, support plate 13 and leading note plate 14 are arranged in parallel relatively, and the inclination angle of support plate 13 and leading note plate 14 is
45°。
Front panel is equipped in first cabinet 11 vertically, front panel and support plate 13, leading note plate 14 are seamlessly connected, front panel with
Support plate 13, leading note plate 14, the first cabinet 11 side wall form paraphase chamber, by paraphase chamber side wall by the subsequent sound of tweeters diaphragmse
180 ° of wave reverse phase, makes the same phase of sound wave of itself and tweeters diaphragmse front end and be overlapped, generate forceful subwoofer effect.
The bottom surface of leading note plate 14 and the bottom surface of the first cabinet 11, left side wall form the paraphase sound hole 15 of triangle, paraphase sound
Hole 15 is located at the lower section of leading note plate 14, and the acoustic wave segment of the intracavitary superposition of paraphase sends out cavity through paraphase sound hole 15.
A left side for the phase-reversing tube 16 or cabinet that are connected to paraphase chamber is equipped on the left side wall and right side wall of first cabinet 11
Side wall, right side wall one of side wall be equipped with phase-reversing tube 16, phase-reversing tube 16 is connected to outside air, by phase-reversing tube 16 and
The vibration of air provides condition for the reverse phase of sound wave in paraphase sound hole 15.Phase-reversing tube 16 is also used for sound guidance propagation, phase-reversing tube
16 quantity can be set according to actual needs, and in the present embodiment, the left side wall of the first cabinet 11 is equipped with a paraphase
Pipe 16.
The side wall of first cabinet 11 corresponds to 12 loudspeaker of subwoofer unit equipped with handle 17 and to 11 indent of the first cabinet
Handle back box 18, handle back box 18 enhance air-flow compression at the bell-mouthed air-flow compaction cavum of subwoofer unit 12, increase
The low frequency impact power of forte case.
Handle back box 18 is fastenedly connected on side wall, and handle back box 18 is preferably arranged to rectangular, and handle back box 18 can also
In the arc-shaped, oval, round or other shapes are set.
In order to reduce interfering for high bass in linear array speaker, while increasing the range of sound, therefore in newel
223 sound source end has been removably installed waveguide 40.40 pairs of high basses of waveguide compress, so that compressed high bass
Become line source, therefore, the high bass issued from linear array speaker would not interfere, simultaneously because line source decaying can ratio
Point sound source is slow, and projection distance is farther.The linear array speaker of this programme, the range of sound is remote enough, acoustic pressure is sufficiently large, is suitable for
Stage or outdoor large performance.
In order to which super-bass loudspeaker box 10 and coaxial 20 assembly and connection of linear array speaker get up, while making super-bass loudspeaker box 10 and same
The installation of axis speaker is more compact, is equipped with the first connection component 31, subwoofer in four vertex of 10 left side wall of super-bass loudspeaker box
Four vertex of 10 right side wall of speaker are equipped with the second connection component 32, pass through the first connection component 31 and the second connection component 32
Super-bass loudspeaker box 10 is fixedly mounted on linear array speaker.
As shown in figure 4, the first connection component 31 includes the first suspender member 312 and is used to connect the first cabinet 11, second
The first connecting rod 311 of cabinet 21, the first suspender member 312 are embedded in the first cabinet 11, in 21 left side wall of the second cabinet, the first hanging
One end of part 312 is fixedly connected by pin with the left side wall of the first cabinet 11, the second cabinet 21, the first suspender member 312 it is another
One end is higher than the outer surface of cabinet, and is equipped with the first pin hole.One end of first connecting rod 311 is equipped with third pin hole, and the other end is equipped with
Sliding slot, the first pin pass through the third pin hole of the first pin hole of the first suspender member 312, first connecting rod 311, by the first cabinet 11 with
One end of first connecting rod 311 is flexibly connected, and the second cabinet 21 is flexibly connected with the other end of first connecting rod 311.First pin
It can be slided up and down in sliding slot, the position in sliding slot by changing the first pin can change linear array speaker with respect to subwoofer
The angle of speaker 10.Above-mentioned first suspender member 312 is embedded in cabinet, and is passed through between the first cabinet 11 and the second cabinet 21
Bolt connection, so that the connection between the first cabinet 11 and the second cabinet 21 is more secured, reliable, and safety coefficient is higher.
Second connection component 32 include the second suspender member 322 and for connecting the first cabinet 11, the second cabinet 21 the
Two connecting rods 321, the second suspender member 322 are embedded in the first cabinet 11, in 21 right side wall of the second cabinet, and the one of the second suspender member 322
End is fixedly connected by pin with the right side wall of the first cabinet 11, the second cabinet 21, and the other end of the second suspender member 322 is higher than case
The outer surface of body, and it is equipped with the second pin hole, the both ends of second connecting rod 321 are equipped with the 4th pin hole, and the second pin passes through suspender member
First cabinet 11 and the second cabinet 21 are movably connected with by the 4th pin hole of the second pin hole, second connecting rod 321.By above-mentioned second
Suspender member 322 is embedded in cabinet, and is connected between the first cabinet 11 and the second cabinet 21 by bolt, so that the first case
Connection between body 11 and the second cabinet 21 is more secured, reliable, and safety coefficient is higher.
Unit coaxial sound box also uses above-mentioned first suspender member 312, first connecting rod, the second suspender member 322 and second
The mounting means of connecting rod is assembled into linear array speaker, and for the main part of linear array speaker to far field, bending part can obtain near field
Obtain bigger cone of coverage.Second suspender member 322 of the second cabinet 21 is equipped with for adjusting between the second cabinet 21 away from walk-off angle
The adjustment hole 230 of degree, adjustment hole 230 are arranged at equal intervals, and the shape size of adjustment hole 230 matches with above-mentioned pin, pass through by
Pin, which is mounted in different adjustment holes 230, adjusts the distance between second cabinet 21 and angle.Above-mentioned adjustment hole 230 can be with
The shape of linear array speaker, such as S type, inner concave shape, vertical shape, layback shape are adjusted, to obtain bigger cone of coverage.
Super-bass loudspeaker box 10 can be fixedly mounted on the upper end of linear array speaker by bindiny mechanism 30, while can be in subwoofer sound
The top end face of case 10 installs erecting by overhang 19, is symmetrically installed with hook on erecting by overhang 19, by erecting by overhang 19 by entire sound
Case is suspended on building, and the coaxial linear array speaker 20 of this suspension type can be used on indoor or stage, reduces accounting for for speaker
Ground area.
As shown in Figure 2 and Figure 5, in order to enable the fast quick-detach of coaxial linear array speaker 20 or installation to be applicable in making for different occasions
With above-mentioned bindiny mechanism 30 being transformed to support rod 34 and support base 33, support base 33 is fixedly mounted on linear array speaker
On lower end surface, one end of support rod 34 is removably mounted on the top end face of super-bass loudspeaker box 10, the other end of support rod 34 with
Support base 33 is fixedly connected.This structure of linear array speaker can be dismantled rapidly when participating in the cintest according to the actual situation, flexible combination,
To meet the needs of different occasions.
Support base 33 is located at the lower section with axle unit 22, that is, is fixed on the lower end surface of the second cabinet 21, support base 33
Side indent has mounting hole compatible with 34 shape size of support rod, is equipped with the first screw thread in mounting hole.Second cabinet 21
Lower end surface is equipped with opening compatible with 33 shape size of support base, and support base 33 is fixedly mounted on the second case by screw
The opening of 21 lower end surface of body is exposed to the mounting hole of support base 33 outside second cabinet 21.One end of support rod 34 is equipped with the
Two screw threads, support rod 34 are arranged in mounting hole, and are threadedly coupled with support base 33.Preferably, support base 33 is mounted on second
The middle position of 21 lower end surface of cabinet, this setup can make super-bass loudspeaker box 10 and the assembling of linear array speaker more flat
It weighs, is more stable.
Active digital power amplification device is set to the rear end of the first cabinet 11,12 electricity of active digital power amplification device and subwoofer unit
Property connection.Power amplifier built in active digital power amplification device can amplify lower audio signal, amplified signal output
It is terminated with tone frequency channel wire, amplified signal is input to subwoofer unit 12.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. coaxial line array speaker, it is characterised in that: including
Super-bass loudspeaker box, the super-bass loudspeaker box is including the first cabinet and is set to described first case intracorporal subwoofer unit,
It is fixed with support plate in first cabinet, the support plate is from the left inside wall of the first cabinet to the right inner wall of the first cabinet
It is obliquely installed, the support plate is equipped with location hole, and the horn mouth of the subwoofer unit is communicated with the location hole；
The speaker linear array being made of unit speaker, the single vowel case are intracorporal including the second cabinet and set on described second case
Same axle unit；
Bindiny mechanism, the bindiny mechanism are used to connect first cabinet and second cabinet installation.
2. coaxial line array speaker as described in claim 1, it is characterised in that: the same axle unit includes washer, magnet steel, T
The two sides that iron plate and newel, the washer and the T iron plate are located at the magnet steel form the power list of same axle unit
Member, the power unit are set on the newel.
3. coaxial line array speaker as claimed in claim 2, it is characterised in that: it further include waveguide, the waveguide and institute
The sound source end for stating newel is detachably connected.
4. coaxial line array speaker as described in claim 1, it is characterised in that: the bindiny mechanism includes the first connection component
With the second connection component, the quadrangle of first cabinet Yu the second cabinet left side wall is arranged in first connection component
Place, second connection component are located at the four corners of first cabinet and the second cabinet right side wall, and by described first
Cabinet is fixedly connected on the top of second cabinet.
5. coaxial line array speaker as claimed in claim 4, it is characterised in that: first connection component includes the first hanging
Part and first connecting rod for connecting first cabinet, second cabinet, first suspender member are embedded in described
In one cabinet, the second cabinet left side wall, the movable end of first suspender member and the first connecting rod is equipped with the first pin hole,
First pin passes through first pin hole, by the first suspender member, second case of the first connecting rod and first cabinet
First suspender member of body is fixedly connected；Second connection component is including the second suspender member and for connecting first case
The second connecting rod of body, second cabinet, second suspender member are embedded in first cabinet, the second cabinet right side wall
Interior, the movable end of second suspender member and second connecting rod is equipped with the second pin hole, and the second pin passes through second pin hole, by institute
Second connecting rod is stated to be fixedly connected with the second suspender member of the second suspender member of first cabinet, second cabinet.
6. coaxial line array speaker as described in any one in claim 1-5, it is characterised in that: the first cabinet top end face is solid
Surely there is the erecting by overhang for vacantly hanging the coaxial line array speaker.
7. coaxial line array speaker as claimed in claim 6, it is characterised in that: be equipped with support base, institute in second cabinet
Support base is stated to be fixedly mounted on the bottom face of second cabinet.
8. coaxial line array speaker as claimed in claim 7, it is characterised in that: the bindiny mechanism includes support rod, described
Support rod is perpendicularly fixed on the top end face of the first cabinet, and the support rod is fixedly connected with the support base.
9. coaxial line array speaker as claimed in claim 8, it is characterised in that: the support base indent has and the support rod
The compatible mounting hole of shape size, there is the first screw thread in the mounting hole, and the upper end of the support rod is equipped with the second screw thread, institute
It states support rod to be arranged in the mounting hole, and is threadedly coupled with the support base.
10. coaxial line array speaker as described in claim 1, it is characterised in that: the active power amplifier of setting in first cabinet
Device, the active power amplification device and the subwoofer unit are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799229.6U CN209151313U (en) | 2018-11-01 | 2018-11-01 | Coaxial line array speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799229.6U CN209151313U (en) | 2018-11-01 | 2018-11-01 | Coaxial line array speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209151313U true CN209151313U (en) | 2019-07-23 |
Family
ID=67272196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821799229.6U Active CN209151313U (en) | 2018-11-01 | 2018-11-01 | Coaxial line array speaker |
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| Country | Link |
|---|---|
| CN (1) | CN209151313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267133A (en) * | 2019-08-02 | 2019-09-20 | 广州市天谱电器有限公司 | Portable mobile folding type battery linear array sound equipment |
-
2018
- 2018-11-01 CN CN201821799229.6U patent/CN209151313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267133A (en) * | 2019-08-02 | 2019-09-20 | 广州市天谱电器有限公司 | Portable mobile folding type battery linear array sound equipment |
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