JPS5876215U - audio amplifier - Google Patents

audio amplifier

Info

Publication number
JPS5876215U
JPS5876215U JP17034981U JP17034981U JPS5876215U JP S5876215 U JPS5876215 U JP S5876215U JP 17034981 U JP17034981 U JP 17034981U JP 17034981 U JP17034981 U JP 17034981U JP S5876215 U JPS5876215 U JP S5876215U
Authority
JP
Japan
Prior art keywords
filter
audio amplifier
amplifier
signal
input
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
JP17034981U
Other languages
Japanese (ja)
Inventor
井上　治朗
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP17034981U priority Critical patent/JPS5876215U/en
Publication of JPS5876215U publication Critical patent/JPS5876215U/en
Pending legal-status Critical Current

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  • Networks Using Active Elements (AREA)
  • Amplifiers (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 the drawing]

第１図は従来のオーディオアンプのアクティブフィルタ
回路を示す図、第２図は本考案に係るオーディオアンプ
の回路図である。 １・・・入力、２・・・出力、３・・田−カットフィル
タ、４・・・ハイカットフィルタ、５・・・フィルタア
ンプ、６、　７．　８．　９・・・スイッチ。尚、図中
、同−符萼は同−又は相当部分を示す。FIG. 1 is a diagram showing an active filter circuit of a conventional audio amplifier, and FIG. 2 is a circuit diagram of an audio amplifier according to the present invention. 1... Input, 2... Output, 3... Field-cut filter, 4... High-cut filter, 5... Filter amplifier, 6, 7. 8. 9...Switch. In the figures, the same sign indicates the same or equivalent part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハイカットフィルタとローカットフィルタ及びフィルタ
アンプを有するアクティブフィルタ回路を備えるオーデ
ィオアンプにおいて、前記アクティブフィルタ回路が不
必要な状態で前記フィルタアンプに信号が入力されるの
を防止すべ（前記信号をバイパスしたことを特徴とする
オーディオアンプ。In an audio amplifier equipped with an active filter circuit having a high-cut filter, a low-cut filter, and a filter amplifier, it is necessary to prevent a signal from being input to the filter amplifier in a state where the active filter circuit is unnecessary (to prevent the signal from being input to the filter amplifier when the signal is bypassed). Featured audio amplifier.
JP17034981U 1981-11-16 1981-11-16 audio amplifier Pending JPS5876215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17034981U JPS5876215U (en) 1981-11-16 1981-11-16 audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17034981U JPS5876215U (en) 1981-11-16 1981-11-16 audio amplifier

Publications (1)

Publication Number Publication Date
JPS5876215U true JPS5876215U (en) 1983-05-23

Family

ID=29962313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17034981U Pending JPS5876215U (en) 1981-11-16 1981-11-16 audio amplifier

Country Status (1)

Country Link
JP (1) JPS5876215U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63167514A (en) * 1986-12-27 1988-07-11 Sony Corp Filter adjusting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63167514A (en) * 1986-12-27 1988-07-11 Sony Corp Filter adjusting device

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