JPS58169793U - 2 channel-4 channel switching circuit - Google Patents

2 channel-4 channel switching circuit

Info

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
Application number
JP6377982U
Other languages
Japanese (ja)
Inventor
堀江　順
Original Assignee
パイオニア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP6377982U priority Critical patent/JPS58169793U/en
Publication of JPS58169793U publication Critical patent/JPS58169793U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] バランスド・トランスホーマ・レンアンプを構成する一
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.
JP6377982U 1982-05-04 1982-05-04 2 channel-4 channel switching circuit Pending JPS58169793U (en)

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)

Similar Documents

Publication Publication Date Title
JPS58169793U (en) 2 channel-4 channel switching circuit
JPS6047316U (en) Amplifier
JPS599450Y2 (en) Amplifier
JPS59195897U (en) 3D stereo system
JPS6213338Y2 (en)
JPS59132217U (en) BTL power amplifier
JPS60144400U (en) speaker system
JPS609060U (en) Microphone mixing type playback device
JPH0317519Y2 (en)
JPS6019222U (en) Amplifier with direct function switch
JPS5811376U (en) headphone adapter
JPS6098924U (en) Amplifier
JPS5936612U (en) Input signal switch
JPS6045600U (en) variable gain hearing aid
JPS59166591U (en) stereo input circuit
JPS588285U (en) Sound field expansion circuit for stereo sound equipment
JPH0383000U (en)
JPS5834488U (en) stereo playback device
JPS60124128U (en) Amplifier
JPS5978777U (en) color video camera
JPS601094U (en) speaker device
JPS59159094U (en) Speaker switching circuit
JPS6150366U (en)
JPS58132412U (en) Input circuit for power booster
JPS58127414U (en) Tape recorder switching circuit