JPS61321U - Bass-treble control device - Google Patents

Bass-treble control device

Info

Publication number
JPS61321U
JPS61321U JP8413984U JP8413984U JPS61321U JP S61321 U JPS61321 U JP S61321U JP 8413984 U JP8413984 U JP 8413984U JP 8413984 U JP8413984 U JP 8413984U JP S61321 U JPS61321 U JP S61321U
Authority
JP
Japan
Prior art keywords
impedance
switch
treble control
bass
control device
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
JP8413984U
Other languages
Japanese (ja)
Other versions
JPH024509Y2 (en
Inventor
潔 鬼塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP8413984U priority Critical patent/JPS61321U/en
Publication of JPS61321U publication Critical patent/JPS61321U/en
Application granted granted Critical
Publication of JPH024509Y2 publication Critical patent/JPH024509Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (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図は本考案によるＮＦ型バスートレブル制御回路の
回路図、第２図および第３図は従来のＮＦ型バスートレ
ブル制御回路の回路図、第４図は第３図に示す回路で得
られる周波数特性を示すダイヤグラムである。 １・・・信号源、２・・・信号源インピーダンス、３・
・・バス●ボリューム、４・・・トレブル●ボリューム
、５・・・増幅器、６・・・帰還抵抗、７・・・出力。Fig. 1 is a circuit diagram of an NF type bass treble control circuit according to the present invention, Figs. 2 and 3 are circuit diagrams of a conventional NF type bass treble control circuit, and Fig. 4 is a frequency characteristic obtained with the circuit shown in Fig. 3. This is a diagram showing. 1... Signal source, 2... Signal source impedance, 3.
...Bass Volume, 4...Treble Volume, 5...Amplifier, 6...Feedback Resistor, 7...Output.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 出力段増幅器の帰還路に、前段インピーダンスに実質上
等しい価の帰還抵抗、および前段インピーダンスに並列
に設けられ、第１のスイッチによってオンーオフされる
第１のインピーダンスを有するＮＦ型バスートレブル制
御回路において、さらに上記帰還抵抗に並列に接続され
た、上記第１のインピーダンスに実質上等しい第２のイ
ンピーダンスと第２のスイッチの直列回路を有し、上記
第１のスイッチと上記第２のスイツヂが連動することを
特徴とする、ＮＦ型バスートレブル制御回路。In the NF type bass treble control circuit, the feedback path of the output stage amplifier has a feedback resistor having a value substantially equal to the pre-stage impedance, and a first impedance that is provided in parallel with the pre-stage impedance and is turned on and off by a first switch, further comprising: a series circuit including a second impedance substantially equal to the first impedance and a second switch connected in parallel to the feedback resistor, the first switch and the second switch interlocking; An NF type bass treble control circuit featuring:
JP8413984U 1984-06-06 1984-06-06 Bass-treble control device Granted JPS61321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8413984U JPS61321U (en) 1984-06-06 1984-06-06 Bass-treble control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8413984U JPS61321U (en) 1984-06-06 1984-06-06 Bass-treble control device

Publications (2)

Publication Number Publication Date
JPS61321U true JPS61321U (en) 1986-01-06
JPH024509Y2 JPH024509Y2 (en) 1990-02-02

Family

ID=30633385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8413984U Granted JPS61321U (en) 1984-06-06 1984-06-06 Bass-treble control device

Country Status (1)

Country Link
JP (1) JPS61321U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0455823U (en) * 1990-09-17 1992-05-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0455823U (en) * 1990-09-17 1992-05-13

Also Published As

Publication number Publication date
JPH024509Y2 (en) 1990-02-02

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