JPS6140093U - Power amplifier speaker switch - Google Patents

Power amplifier speaker switch

Info

Publication number
JPS6140093U
JPS6140093U JP12599384U JP12599384U JPS6140093U JP S6140093 U JPS6140093 U JP S6140093U JP 12599384 U JP12599384 U JP 12599384U JP 12599384 U JP12599384 U JP 12599384U JP S6140093 U JPS6140093 U JP S6140093U
Authority
JP
Japan
Prior art keywords
power amplifier
speaker switch
amplifier speaker
switching
speaker
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
Application number
JP12599384U
Other languages
Japanese (ja)
Other versions
JPH0617437Y2 (en
Inventor
昭夫 小沢
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 JP12599384U priority Critical patent/JPH0617437Y2/en
Publication of JPS6140093U publication Critical patent/JPS6140093U/en
Application granted granted Critical
Publication of JPH0617437Y2 publication Critical patent/JPH0617437Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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図はこの考案の一実施例を示す図、第２図ａ， ｂ
はそれぞれ従来の構成を示す図である。 １・・・・・・電力増幅器、２，３・・・・・・スピー
カ切換スイッチ、４，５・・・・・・スピーカ、６・・
・・・・リレー、９・・・・・・電源トランス、１２・
・・・・・スイッチ。Figure 1 shows an embodiment of this invention, Figure 2 a, b
1 and 2 are diagrams each showing a conventional configuration. 1...Power amplifier, 2,3...Speaker selection switch, 4,5...Speaker, 6...
...Relay, 9...Power transformer, 12.
·····switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電力増幅器と、前記電力増幅器の出力に並列接続した複
数個のスピーカ切換スイッチ、前記切換スイッチがとも
にオン状態となり、複数のスピーカが並列接続されたと
きにこれを検出する検出手段と、検出手段により電源ト
ランスの２次電圧を低電圧に切換える切換手段とを備え
たことを特徴とする電力増幅器のスピーカ切換器。a power amplifier, a plurality of speaker changeover switches connected in parallel to the output of the power amplifier, a detection means for detecting when both the changeover switches are in an on state and a plurality of speakers are connected in parallel; A speaker switching device for a power amplifier, comprising switching means for switching the secondary voltage of a power transformer to a low voltage.
JP12599384U 1984-08-20 1984-08-20 Speaker switch for power amplifier Expired - Lifetime JPH0617437Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12599384U JPH0617437Y2 (en) 1984-08-20 1984-08-20 Speaker switch for power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12599384U JPH0617437Y2 (en) 1984-08-20 1984-08-20 Speaker switch for power amplifier

Publications (2)

Publication Number Publication Date
JPS6140093U true JPS6140093U (en) 1986-03-13
JPH0617437Y2 JPH0617437Y2 (en) 1994-05-02

Family

ID=30684679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12599384U Expired - Lifetime JPH0617437Y2 (en) 1984-08-20 1984-08-20 Speaker switch for power amplifier

Country Status (1)

Country Link
JP (1) JPH0617437Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4792308B2 (en) * 2006-03-22 2011-10-12 ティーオーエー株式会社 Digital amplifier protector

Also Published As

Publication number Publication date
JPH0617437Y2 (en) 1994-05-02

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