JPH0486400U - - Google Patents
Info
- Publication number
- JPH0486400U JPH0486400U JP12927790U JP12927790U JPH0486400U JP H0486400 U JPH0486400 U JP H0486400U JP 12927790 U JP12927790 U JP 12927790U JP 12927790 U JP12927790 U JP 12927790U JP H0486400 U JPH0486400 U JP H0486400U
- Authority
- JP
- Japan
- Prior art keywords
- left channel
- right channel
- speaker
- amplifier
- output end
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案のステレオ再生装置の回路構成
図、第２図はその回路における、通常再生時に各
スピーカに入力される信号の周波数特性図、第３
図は従来のステレオ再生装置の回路構成図、第４
図はその回路における、通常再生時に各スピーカ
に入力される信号の周波数特性図である。
２Ｒ……右チヤンネル増幅器、２Ｌ……左チヤ
ンネル増幅器、３Ｒ……第１右チヤンネルスピー
カ、３Ｌ……第１左チヤンネルスピーカ、５Ｒ…
…第２右チヤンネルスピーカ、５Ｌ……第２左チ
ヤンネルスピーカ、６……切り替えスイツチ、９
Ｒ……第１高域遮断フイルタ、９Ｌ……第２高域
遮断フイルタ、１０Ｒ……右チヤンネル信号路切
り替えスイツチ、１０Ｌ……左チヤンネル信号路
切り替えスイツチ。
Figure 1 is a circuit configuration diagram of the stereo reproduction device of the present invention, Figure 2 is a frequency characteristic diagram of the signal input to each speaker during normal reproduction in the circuit, and Figure 3 is a diagram of the frequency characteristics of the signal input to each speaker during normal reproduction.
The figure is a circuit diagram of a conventional stereo playback device.
The figure is a frequency characteristic diagram of the signal input to each speaker during normal reproduction in the circuit. 2R... Right channel amplifier, 2L... Left channel amplifier, 3R... First right channel speaker, 3L... First left channel speaker, 5R...
...Second right channel speaker, 5L...Second left channel speaker, 6...Switch switch, 9
R...First high-frequency cutoff filter, 9L...Second high-frequency cutoff filter, 10R...Right channel signal path changeover switch, 10L...Left channel signal path changeover switch.
Claims (1)
器２Ｒと、 左チヤンネル信号を増幅する左チヤンネル増幅
器２Ｌと、 前記右チヤンネル増幅器２Ｒ及び前記左チヤン
ネル増幅器２Ｌからの出力信号が各々供給される
第１右チヤンネルスピーカ３Ｒ及び第１左チヤン
ネルスピーカ３Ｌと、 前記右チヤンネル増幅器２Ｒの出力端と前記左
チヤンネル増幅器２Ｌの出力端に夫々直列に接続
される高域音を再生する第２右チヤンネルスピー
カ５Ｒ及び第２左チヤンネルスピーカ５Ｌと、 第１接点Ａ及び、前記第２右チヤンネルスピー
カ５Ｒと前記第２左チヤンネルスピーカ５Ｌとの
接続中点７に接続される第２接点Ｂを有し、且つ
可動接片が接地される切り替えスイツチ６と、 前記右チヤンネル増幅器２Ｒの出力端に入力端
が接続される第１高域遮断フイルタ９Ｒと、 前記左チヤンネル増幅器２Ｌの出力端に入力端
が接続される第２高域遮断フイルタ９Ｌと、 前記右チヤンネル増幅器２Ｒの出力端に接続さ
れる第１接点Ａと、前記第１高域遮断フイルタ９
Ｒの出力端に接続される第２接点Ｂとを有すると
共に前記第１右チヤンネルスピーカ３Ｒに可動接
片が接続され、且つ、前記切り替えスイツチ６に
連動して切り替えられる右チヤンネル信号路切り
替えスイツチ１０Ｒと、 前記左チヤンネル増幅器２Ｌの出力端に接続さ
れる第１接点Ａと、前記第２高域遮断フイルタ９
Ｌの出力端に接続される第２接点Ｂとを有すると
共に前記第１左チヤンネルスピーカ３Ｌに可動接
片が接続され、且つ、前記切り替えスイツチ６に
連動して切り替えられる左チヤンネル信号路切り
替えスイツチ１０Ｌと、 を備えるステレオ再生装置。[Claims for Utility Model Registration] A right channel amplifier 2R that amplifies a right channel signal, a left channel amplifier 2L that amplifies a left channel signal, and output signals from the right channel amplifier 2R and the left channel amplifier 2L are respectively supplied. a first right channel speaker 3R and a first left channel speaker 3L, which are connected in series to the output end of the right channel amplifier 2R and the output end of the left channel amplifier 2L, respectively, for reproducing high-frequency sound. It has a channel speaker 5R and a second left channel speaker 5L, a first contact A, and a second contact B connected to a connection midpoint 7 between the second right channel speaker 5R and the second left channel speaker 5L. , and a changeover switch 6 whose movable contact piece is grounded; a first high-frequency cutoff filter 9R whose input terminal is connected to the output terminal of the right channel amplifier 2R; and a first high-frequency cutoff filter 9R whose input terminal is connected to the output terminal of the left channel amplifier 2L. a second high-frequency cutoff filter 9L connected to it; a first contact A connected to the output end of the right channel amplifier 2R; and the first high-frequency cutoff filter 9.
a second contact B connected to the output end of the right channel speaker R, a movable contact piece connected to the first right channel speaker 3R, and a right channel signal path changeover switch 10R that is switched in conjunction with the changeover switch 6; , a first contact A connected to the output end of the left channel amplifier 2L, and a second high-frequency cutoff filter 9.
A left channel signal path switching switch 10L has a second contact B connected to the output end of the left channel speaker L, has a movable contact piece connected to the first left channel speaker 3L, and is switched in conjunction with the switching switch 6. A stereo playback device comprising: and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927790U JPH0486400U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927790U JPH0486400U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486400U true JPH0486400U (en) | 1992-07-27 |
Family
ID=31876686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12927790U Pending JPH0486400U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486400U (en) |
-
1990
- 1990-11-30 JP JP12927790U patent/JPH0486400U/ja active Pending
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