JPS61197792U - - Google Patents
Info
- Publication number
- JPS61197792U JPS61197792U JP8144985U JP8144985U JPS61197792U JP S61197792 U JPS61197792 U JP S61197792U JP 8144985 U JP8144985 U JP 8144985U JP 8144985 U JP8144985 U JP 8144985U JP S61197792 U JPS61197792 U JP S61197792U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- output
- side terminal
- power
- hot side
- 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 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Description
第１図はこの考案を説明する回路ブロツク図、
第２図は位相器２３の位相推移特性図、第３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……第１電力増幅
器、１２……第２電力増幅器、１３……位相器、
２０……スピーカシステム、２１……第１スピー
カ、２２……第２スピーカ、Ａ１……演算増幅器
、Ｃ１，Ｃ２……コンデンサ、Ｒ１，Ｒ２，Ｒ３
……抵抗器。
Figure 1 is a circuit block diagram explaining this idea.
FIG. 2 is a phase shift characteristic diagram of the phase shifter 23, and FIG. 3 is a block diagram illustrating a conventional example. 10... Power amplifier device, 11... First power amplifier, 12... Second power amplifier, 13... Phase shifter,
20...Speaker system, 21...First speaker, 22...Second speaker, A1 ...Operation amplifier, C1 , C2 ...Capacitor, R1 , R2 , R3
……Resistor.
Claims (1)
幅器と、前記オーデイオ入力信号を低周波帯域で
略１８０°高周波帯域で略０°となる特性に位相
推移する位相器と、該位相器の出力を前記電力増
幅器と同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 audio input signal; a phase shifter for shifting the phase of the audio input signal to a characteristic of approximately 180 degrees in a low frequency band and approximately 0 degrees in a high frequency band; a second power amplifier that amplifies power in the same phase as the amplifier; a first speaker connected between the hot side terminal of the output of the first power amplifier and the ground side terminal; and the hot side terminal of the output of the first power amplifier and the A loudspeaker comprising: a second speaker connected between the hot side terminals of the output of the second power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8144985U JPH062395Y2 (en) | 1985-05-29 | 1985-05-29 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8144985U JPH062395Y2 (en) | 1985-05-29 | 1985-05-29 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61197792U true JPS61197792U (en) | 1986-12-10 |
| JPH062395Y2 JPH062395Y2 (en) | 1994-01-19 |
Family
ID=30628240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8144985U Expired - Lifetime JPH062395Y2 (en) | 1985-05-29 | 1985-05-29 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062395Y2 (en) |
-
1985
- 1985-05-29 JP JP8144985U patent/JPH062395Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062395Y2 (en) | 1994-01-19 |