JPS61187191U - - Google Patents
Info
- Publication number
- JPS61187191U JPS61187191U JP6997285U JP6997285U JPS61187191U JP S61187191 U JPS61187191 U JP S61187191U JP 6997285 U JP6997285 U JP 6997285U JP 6997285 U JP6997285 U JP 6997285U JP S61187191 U JPS61187191 U JP S61187191U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- output
- side terminal
- hot
- amplifier
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案を説明するブロツク図、第２
図は従来例を説明するブロツク図、である。
１０……電力増幅装置、１１……電１電力増幅
器、１２……第２電力増幅器、１３……位相反転
器、１４……低周波帯域増幅器、２０……ローパ
スフイルタ、３０……スピーカシステム、３１…
…第１スピーカ、３２……第２スピーカ。
Figure 1 is a block diagram explaining this idea, Figure 2
The figure is a block diagram explaining a conventional example. 10... Power amplifier device, 11... Power amplifier 1, 12... Second power amplifier, 13... Phase inverter, 14... Low frequency band amplifier, 20... Low pass filter, 30... Speaker system, 31...
...first speaker, 32...second speaker.
Claims (1)
記入力信号の低周波成分を増幅する低周波帯域増
幅器と、該低周波帯域増幅器の出力を前記第１電
力増幅器と逆相に電力増幅する第２電力増幅器と
、前記第１電力増幅器の出力のホツト側端子とア
ース側端子間に接続の第１スピーカと、前記第１
電力増幅器の出力のホツト側端子と前記第２電力
増幅器の出力のホツト側端子間の出力の高域成分
を遮断するローパスフイルタと、該ローパスフイ
ルタの出力のホツト側端子とアース側端子間に接
続の第２スピーカとを備えたことを特徴とする拡
声装置。 a first power amplifier for power amplifying an input signal; a low frequency band amplifier for amplifying a low frequency component of the input signal; and a second power amplifier for power amplifying the output of the low frequency band amplifier in a phase opposite to that of the first power amplifier. a power amplifier; a first speaker connected between a hot side terminal and a ground side terminal of the output of the first power amplifier;
a low-pass filter that blocks high-frequency components of the output between the hot-side terminal of the output of the power amplifier and the hot-side terminal of the output of the second power amplifier; and a connection between the hot-side terminal of the output of the low-pass filter and the ground side terminal. A public address system comprising: a second speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997285U JPH067671Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997285U JPH067671Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187191U true JPS61187191U (en) | 1986-11-21 |
| JPH067671Y2 JPH067671Y2 (en) | 1994-02-23 |
Family
ID=30606153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6997285U Expired - Lifetime JPH067671Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067671Y2 (en) |
-
1985
- 1985-05-10 JP JP6997285U patent/JPH067671Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067671Y2 (en) | 1994-02-23 |
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