JPS58169793U - 2 channel-4 channel switching circuit - Google Patents
2 channel-4 channel switching circuitInfo
- Publication number
- JPS58169793U JPS58169793U JP6377982U JP6377982U JPS58169793U JP S58169793 U JPS58169793 U JP S58169793U JP 6377982 U JP6377982 U JP 6377982U JP 6377982 U JP6377982 U JP 6377982U JP S58169793 U JPS58169793 U JP S58169793U
- Authority
- JP
- Japan
- Prior art keywords
- channel
- switching circuit
- pair
- output
- terminals
- 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
Landscapes
- Stereophonic Arrangements (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図及び第2図は従来の2スピーカシステムから4ス
ピーカシステムへの切換を説明するための回路図、第3
図は本考案による2チャンネル−4チャンネル切換回路
の一実施例を示す回路図で−ある。
3・・・BTLアンプ、3a、 3b・・・アンプ、
4b・・・出力端子、7・・・追加のスピーカ、8a・
・・切換スイッチ、3b、 $c・・・一対の端子。Figures 1 and 2 are circuit diagrams for explaining switching from a conventional 2-speaker system to a 4-speaker system;
The figure is a circuit diagram showing an embodiment of a 2-channel to 4-channel switching circuit according to the present invention. 3... BTL amplifier, 3a, 3b... amplifier,
4b...Output terminal, 7...Additional speaker, 8a.
...Selector switch, 3b, $c...a pair of terminals.
Claims (1)
対のアンプのうちの一方のアンプの出力とその出力端子
間に設けた切換スイッチと、追加のスピーカの入力端子
をそれぞれ接続すべく設けた一対の端子とを備え、前記
一対の端子べの前記追加のスピーカの接続に応じ、前記
切換スイッチが前記出力端子の接続状態を前記一方のア
ンプの出力からアースに切換えるようにしたことを特徴
とする2チャンネル−4チャンネル切換回路。A changeover switch provided between the output of one of the pair of amplifiers constituting the balanced transformer amplifier and its output terminal, and a pair of terminals provided to respectively connect the input terminals of the additional speakers. 2-channel, characterized in that the changeover switch switches the connection state of the output terminal from the output of the one amplifier to ground in response to the connection of the additional speaker to the pair of terminals. 4 channel switching circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6377982U JPS58169793U (en) | 1982-05-04 | 1982-05-04 | 2 channel-4 channel switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6377982U JPS58169793U (en) | 1982-05-04 | 1982-05-04 | 2 channel-4 channel switching circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58169793U true JPS58169793U (en) | 1983-11-12 |
Family
ID=30073864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6377982U Pending JPS58169793U (en) | 1982-05-04 | 1982-05-04 | 2 channel-4 channel switching circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58169793U (en) |
-
1982
- 1982-05-04 JP JP6377982U patent/JPS58169793U/en active Pending
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