JPH0737429Y2 - Composite speaker - Google Patents
Composite speakerInfo
- Publication number
- JPH0737429Y2 JPH0737429Y2 JP1986081165U JP8116586U JPH0737429Y2 JP H0737429 Y2 JPH0737429 Y2 JP H0737429Y2 JP 1986081165 U JP1986081165 U JP 1986081165U JP 8116586 U JP8116586 U JP 8116586U JP H0737429 Y2 JPH0737429 Y2 JP H0737429Y2
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- diaphragm
- bass
- sound
- pitched
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、低音用のスピーカのセンターポールに、低音
用のスピーカの振動板の前面に位置するように高音用の
スピーカを取付ける等の手段によって、低音用スピーカ
の前面に高音用スピーカを設置した複合型スピーカの改
良に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a means for mounting a speaker for treble sound on a center pole of a speaker for bass sound so as to be located in front of a diaphragm of a speaker for bass sound. Therefore, the present invention relates to an improvement of a composite type speaker in which a high frequency speaker is installed in front of a low frequency speaker.
従来のこの種の複合型スピーカの一例を第２図に示し、
以下これについて説明する。An example of a conventional composite type speaker of this type is shown in FIG.
This will be described below.
この複合型スピーカの低音用スピーカは、センターポー
ル１、マグネット２、トッププレート３で磁気回路を構
成し、センターポール１とトッププレート３間に形成さ
れた磁気ギャップには振動板４に取付けられているボビ
ン５に巻回されたボイスコイル６が挿入されている。In this low frequency speaker of the composite type speaker, a magnetic circuit is composed of a center pole 1, a magnet 2 and a top plate 3, and a magnetic gap formed between the center pole 1 and the top plate 3 is attached to a diaphragm 4. A voice coil 6 wound around a bobbin 5 is inserted.
前記、振動板４の外周に接続されたエッジ７は、トップ
プレート３に固着されているフレーム８に貼着され、ボ
ビン５とフレーム８間に設けられたダンパ９によって、
ボイスコイル６は磁気ギャップの中心に保持される。The edge 7 connected to the outer periphery of the diaphragm 4 is attached to the frame 8 fixed to the top plate 3, and by the damper 9 provided between the bobbin 5 and the frame 8,
The voice coil 6 is held at the center of the magnetic gap.
そして、ダンパ９は振動板４に貼着された防塵ダンパ10
と相まって振動板４の共振を制動している。The damper 9 is a dustproof damper 10 attached to the diaphragm 4.
The vibration of the diaphragm 4 is dampened together with the above.
高音用スピーカは、その磁気回路11が低音用スピーカの
センターポール１の延長部12上に設置され、該磁気回路
11の磁気ギャップには振動板13に取付けられたボビン14
に巻回されたボイスコル15が挿入されている。The high-frequency speaker has a magnetic circuit 11 installed on the extension 12 of the center pole 1 of the low-frequency speaker.
In the magnetic gap of 11, bobbin 14 mounted on diaphragm 13
The voice col 15 wound around is inserted.
振動板13の外周のエッジ16は、前記磁気回路11に固着さ
れたフレーム17に貼着され、フレーム17は高音用スピー
カのサブグリル18が取付けられている。An outer peripheral edge 16 of the diaphragm 13 is attached to a frame 17 fixed to the magnetic circuit 11, and the frame 17 is attached with a sub grill 18 of a high-frequency speaker.
この複合型スピーカは、フレーム８をパッキン10を介し
て、キャビネット等に取付けて使用するものである。This composite type speaker is used by attaching the frame 8 to a cabinet or the like via a packing 10.
このような、複合型スピーカにおいては、低音用の振動
板４と高音用の振動板13とが干渉を起すのを防止するた
め、フレーム17は振動板13の背面を密閉するようになっ
ている。In such a composite speaker, the frame 17 seals the rear surface of the diaphragm 13 in order to prevent the low-pitched diaphragm 4 and the high-pitched diaphragm 13 from interfering with each other. .
従来のこのような複合型スピーカにおいては、低音用ス
ピーカの振動板４の前面、即ち音波の放射方向に、高音
用スピーカの振動板13の背面を密閉するフレーム17、或
いはサブグリル18等の剛体が存在することとなる。In such a conventional composite type speaker, a rigid body such as a frame 17 for sealing the back surface of the diaphragm 13 of the high-pitched speaker or the sub-grill 18 in the front surface of the diaphragm 4 of the low-pitched speaker, that is, in the sound wave emitting direction. Will exist.
そのため、振動板４から放射された音波は、これの剛体
に当って反射され、振動板４から放射される音波との間
に干渉を起し、音圧周波数特性の中域において共振を生
じて、ピークやディップを生じて音質を劣化させる欠点
があった。Therefore, the sound wave radiated from the vibration plate 4 hits the rigid body and is reflected, causing interference with the sound wave radiated from the vibration plate 4 and causing resonance in the middle range of the sound pressure frequency characteristic. However, there was a drawback that the sound quality was deteriorated by causing peaks and dips.
本考案は、従来の複合型スピーカの前述の欠点を除去す
るために、低音用スピーカの振動板の前面に配設された
高音用スピーカの剛体部分からの音波の反射を防止する
と共に、高音用スピーカの剛体部分の質量を増加させ
て、中音域で生ずるピーク、ディップを減少させ、音質
を改善することを目的とする。SUMMARY OF THE INVENTION In order to eliminate the above-mentioned drawbacks of the conventional composite type speaker, the present invention prevents reflection of sound waves from the rigid body portion of the high-pitched loudspeaker arranged in front of the diaphragm of the low-pitched loudspeaker, and The object is to improve the sound quality by increasing the mass of the rigid part of the speaker to reduce the peaks and dips that occur in the midrange.
本考案は、前述の目的を達成するために、中高音用スピ
ーカの背面の低音用スピーカの振動板と面する場所に、
高質量でかつ内部損失の大きな音波を吸収する弾性体を
取り付けたことを要旨とするものである。In order to achieve the above-mentioned object, the present invention is provided on a rear surface of a speaker for middle and high frequencies in a place facing a diaphragm of a speaker for bass.
The gist is that an elastic body having a high mass and absorbing a sound wave with a large internal loss is attached.
本考案の一実施例を、第１図について以下に説明する
が、複合型スピーカとしての基本的な構成は、第２図と
同一なので、これについては第２図と同一の符号を付
し、その説明を省略する。An embodiment of the present invention will be described below with reference to FIG. 1. Since the basic structure of the composite speaker is the same as that of FIG. 2, the same reference numerals as those in FIG. The description is omitted.
この高音用スピーカの振動板13の背面を密閉しているフ
レーム17、及びサブグリル18は鉄等の金属で形成され、
これ等は剛体となっている。The frame 17 that seals the back surface of the diaphragm 13 of this high-pitched speaker and the sub grill 18 are made of metal such as iron,
These are rigid bodies.
これ等の剛体が、低音用スピーカの振動板４に面する場
所に、高質量、即ち比重が大きく、且つ内部損失の大き
な発泡体等の音波を吸収する弾性体20を貼着する。An elastic body 20 that absorbs sound waves such as foam having a high mass, that is, a large specific gravity and a large internal loss is attached to a location where these rigid bodies face the diaphragm 4 of the bass speaker.
この弾性体20は、振動板４の分割共振域において前記剛
体からの反射を防止し、振動板４からの音波との干渉に
よる共振現象が防止される。The elastic body 20 prevents reflection from the rigid body in the divided resonance region of the diaphragm 4, and prevents a resonance phenomenon due to interference with a sound wave from the diaphragm 4.
同時に、前記剛体部分の質量も増加するので、この剛体
部分の共振周波数を、中音域のピークやディップを生ず
る周波数よりも大きく下げることができるから、この部
分の共振による中音域のピークやディップを減少でき
る。At the same time, since the mass of the rigid body portion also increases, the resonance frequency of this rigid body portion can be made lower than the frequency causing the peaks and dips in the midrange, so that the peaks and dips in the midrange due to the resonance of this portion can be reduced. Can be reduced.
このように、弾性体20は音響抵抗を増大して共振を減衰
できるので、平坦な音圧周波数特性が得られるものであ
る。In this way, the elastic body 20 can increase the acoustic resistance and attenuate the resonance, so that a flat sound pressure frequency characteristic can be obtained.
本考案は叙上のように、低音用スピーカの振動板からの
音波を、該振動板に面する高音用スピーカの部分からの
反射、及びその部分の共振を防止できるために、これ等
によって生ずる中音域でのピークやディプが減少され、
平坦な音圧周波数特性が得られ、従って良音質の複合型
スピーカとすることができるものである。As described above, the present invention can prevent the sound wave from the diaphragm of the bass speaker from being reflected from the portion of the speaker for high sound that faces the diaphragm and the resonance of the portion, so that it is generated. Peaks and dips in the midrange have been reduced,
A flat sound pressure frequency characteristic can be obtained, and thus a composite speaker with good sound quality can be obtained.
第１図は本考案の一実施例の断面図、第２図は従来の複
合型スピーカの断面図である。 ４……低音用振動板、17……高音用フレーム、18……サ
ブグリル、20……弾性体。FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional hybrid speaker. 4 ... Low-pitched diaphragm, 17 ... High-pitched frame, 18 ... Sub grill, 20 ... Elastic body.
Claims (1)
え、中高音用スピーカを低音用スピーカの前面に位置し
て低音用スピーカの磁気回路のセンターポールに同軸に
固着した複合型スピーカにおいて、 前記中高音用スピーカの背面の前記低音用スピーカの振
動板と面する場所に、高質量でかつ内部損失の大きな音
波を吸収する弾性体を取り付けたこと を特徴とする複合型スピーカ。1. A composite type speaker comprising a bass speaker and a treble speaker, wherein the treble speaker is located in front of the bass speaker and is coaxially fixed to a center pole of a magnetic circuit of the bass speaker. A composite loudspeaker characterized in that an elastic body having a high mass and absorbing a large internal loss is attached to the rear surface of the speaker for middle and high frequencies facing the diaphragm of the bass speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986081165U JPH0737429Y2 (en) | 1986-05-30 | 1986-05-30 | Composite speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986081165U JPH0737429Y2 (en) | 1986-05-30 | 1986-05-30 | Composite speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62193393U JPS62193393U (en) | 1987-12-09 |
| JPH0737429Y2 true JPH0737429Y2 (en) | 1995-08-23 |
Family
ID=30932656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986081165U Expired - Lifetime JPH0737429Y2 (en) | 1986-05-30 | 1986-05-30 | Composite speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737429Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646385U (en) * | 1979-09-17 | 1981-04-25 |
-
1986
- 1986-05-30 JP JP1986081165U patent/JPH0737429Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62193393U (en) | 1987-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4239945A (en) | Sealed headphone | |
| US5115474A (en) | Speaker system | |
| EP1206162B1 (en) | Speaker apparatus | |
| JPH0416558Y2 (en) | ||
| US5455867A (en) | Speaker apparatus and television receiver using the same | |
| US3955055A (en) | Dynamic loudspeaker | |
| US5714722A (en) | Loudspeaker | |
| US3578104A (en) | Loudspeaker | |
| US20060153412A1 (en) | Speaker device for improving mid/high-range frequencies | |
| JPH0737429Y2 (en) | Composite speaker | |
| US2839150A (en) | Loud speaker having means for utilizing the back wave | |
| JPH11205897A (en) | Loudspeaker | |
| JP3077240B2 (en) | Speaker | |
| JPH1098789A (en) | Speaker system | |
| JPS6035350Y2 (en) | Horizontal omnidirectional cone speaker | |
| EP4333457A1 (en) | A new structured dome-shaped diaphragm loud speaker | |
| JPS6128472Y2 (en) | ||
| JPH065294U (en) | Dynamic speaker | |
| JP2934282B2 (en) | Horn type speaker | |
| JPS5846622Y2 (en) | speaker box | |
| JPS5818392Y2 (en) | speaker device | |
| JP2723596B2 (en) | Composite direct-radiation speaker device | |
| JPS622864Y2 (en) | ||
| JPS5834862Y2 (en) | speaker | |
| JPH03796Y2 (en) |