JPS61187193U - - Google Patents
Info
- Publication number
- JPS61187193U JPS61187193U JP6997485U JP6997485U JPS61187193U JP S61187193 U JPS61187193 U JP S61187193U JP 6997485 U JP6997485 U JP 6997485U JP 6997485 U JP6997485 U JP 6997485U JP S61187193 U JPS61187193 U JP S61187193U
- Authority
- JP
- Japan
- Prior art keywords
- output
- low frequency
- amplifier
- frequency band
- power 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……第１低周波帯域増幅器、２１……第１
電力増幅器、２２……第２電力増幅器、２３……
位相反転器、２４……第２低周波帯域増幅器、３
０……ローパスフイルタ、４０……スピーカシス
テム、４１……第１スピーカ、４２……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...first low frequency band amplifier, 21...first
Power amplifier, 22... Second power amplifier, 23...
Phase inverter, 24... second low frequency band amplifier, 3
0...Low pass filter, 40...Speaker system, 41...First speaker, 42...Second speaker.
Claims (1)
域増幅器と、該第１低周波帯域増幅器の出力を電
力増幅する第１電力増幅器と、前記第１低周波帯
域増幅器の出力の低周波成分を増幅する第２低周
波帯域増幅器と、該第２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 low frequency band amplifier that amplifies the low frequency component of the input signal; a first power amplifier that power amplifies the output of the first low frequency band amplifier; and a first low frequency band amplifier that amplifies the low frequency component of the output of the first low frequency band amplifier. a second low frequency band amplifier for amplifying; and a second power amplifier for power amplifying the output of the second 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 of the output of the first power amplifier and a ground side terminal; a hot side terminal of the output of the first power amplifier and a hot side of the output of the second power amplifier; 1. A loudspeaker system comprising: a low-pass filter that blocks high-frequency components of an output between terminals; and a second speaker connected between a hot-side terminal and a ground-side terminal of the output of the low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997485U JPH062393Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997485U JPH062393Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187193U true JPS61187193U (en) | 1986-11-21 |
| JPH062393Y2 JPH062393Y2 (en) | 1994-01-19 |
Family
ID=30606157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6997485U Expired - Lifetime JPH062393Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062393Y2 (en) |
-
1985
- 1985-05-10 JP JP6997485U patent/JPH062393Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062393Y2 (en) | 1994-01-19 |
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