JPS6037920U - Sound quality adjustment circuit - Google Patents
Sound quality adjustment circuitInfo
- Publication number
- JPS6037920U JPS6037920U JP12943083U JP12943083U JPS6037920U JP S6037920 U JPS6037920 U JP S6037920U JP 12943083 U JP12943083 U JP 12943083U JP 12943083 U JP12943083 U JP 12943083U JP S6037920 U JPS6037920 U JP S6037920U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- capacitor
- variable resistor
- sound quality
- adjustment circuit
- 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
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
第１図は従来の音質調節回路の構成例を余す結線図、第
２図は本考案による音質調節回路の一実施例を示す結線
図、第３図は本考案による音質調節回路の他の実施例を
示す結線図である。
２は増幅器、３１は高音調節器、３２は小容量コンデン
サ、３５は低音調節器、３７は大容量コンデンサ、４２
はラウドネス切換スイッチ、４３は第２の小容量コンデ
ンサ、４４は第２の大容量コンデンサである。 。Fig. 1 is a wiring diagram showing an example of the configuration of a conventional sound quality adjustment circuit, Fig. 2 is a wiring diagram showing an embodiment of the sound quality adjustment circuit according to the present invention, and Fig. 3 is another embodiment of the sound quality adjustment circuit according to the present invention. It is a wiring diagram showing an example. 2 is an amplifier, 31 is a treble adjuster, 32 is a small capacitor, 35 is a bass adjuster, 37 is a large capacitor, 42
43 is a second small capacitor, and 44 is a second large capacitor. .
Claims (1)
及び低音調節用の第１及び第２の可変抵抗器を有し、上
記第１の可変抵抗器の摺動子を第１の小容量のコンデン
サを介して上記増幅器の入力端子に負帰還接続し、上記
第２の可変抵抗器の摺動子を上記増幅器の入力端子に負
帰還接続すると共に、上記第２の可変抵抗器に第１の大
容量のコンデンサを並列接続して成る音質調節回路にお
いて、上記増幅器の出力端子と上記第２の可変抵抗器と
の間に第２の大容量のコンデンサを介挿すると共に、一
端を接地した第２の小容量のコンデンサと、該第２の小
容量のコンデンサの他端を一方の固定接点に接続したラ
ウドネス切換スイッチとを設け、該スイッチの他方の固
定接点を上記第２の可変抵抗器と上記第２の大容量のコ
ンデンサの接続点に接続し、上記スイッチの可動接点を
上記増幅器の出力端子に接続して成る音質調節回路。It has first and second variable resistors for treble and bass adjustment, respectively, connected between the output terminal of the amplifier and the ground, and the slider of the first variable resistor is connected to a first small capacitor. A negative feedback connection is made to the input terminal of the amplifier through a capacitor, a slider of the second variable resistor is connected to the input terminal of the amplifier by negative feedback, and a first In the sound quality adjustment circuit formed by connecting large capacity capacitors in parallel, a second large capacity capacitor is inserted between the output terminal of the amplifier and the second variable resistor, and one end is grounded. A second small capacitance capacitor and a loudness changeover switch are provided in which the other end of the second small capacitor is connected to one fixed contact, and the other fixed contact of the switch is connected to the second variable resistor. and a connection point of the second large-capacity capacitor, and a movable contact of the switch is connected to the output terminal of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12943083U JPS6037920U (en) | 1983-08-22 | 1983-08-22 | Sound quality adjustment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12943083U JPS6037920U (en) | 1983-08-22 | 1983-08-22 | Sound quality adjustment circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6037920U true JPS6037920U (en) | 1985-03-15 |
| JPH0134427Y2 JPH0134427Y2 (en) | 1989-10-19 |
Family
ID=30293269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12943083U Granted JPS6037920U (en) | 1983-08-22 | 1983-08-22 | Sound quality adjustment circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037920U (en) |
-
1983
- 1983-08-22 JP JP12943083U patent/JPS6037920U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0134427Y2 (en) | 1989-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6037920U (en) | Sound quality adjustment circuit | |
| JPS60144315U (en) | Sound quality adjustment circuit | |
| JPS58132418U (en) | Sound quality adjustment circuit | |
| JPS599620U (en) | Graphic equalizer circuit | |
| JPS6072022U (en) | Sound quality adjustment circuit | |
| JPS601024U (en) | Sound quality adjustment device | |
| JPS59169117U (en) | Loudness control circuit | |
| JPS59140512U (en) | equalizer amplifier | |
| JPS5871293U (en) | Equalizer circuit gain switching circuit | |
| JPS59140522U (en) | Sound quality adjustment device | |
| JPS6093320U (en) | power amplifier circuit | |
| JPS6135425U (en) | recording amplification circuit | |
| JPS59132220U (en) | Tone variable device | |
| JPS60135953U (en) | integral circuit | |
| JPS6017025U (en) | variable filter | |
| JPS62119012U (en) | ||
| JPS5840926U (en) | Loudness control circuit | |
| JPS5984916U (en) | Frequency characteristic adjustment circuit | |
| JPS5939418U (en) | selection circuit | |
| JPS596318U (en) | Radio receiver tone control circuit | |
| JPS615042U (en) | High frequency amplifier circuit | |
| JPS6118619U (en) | Frequency characteristic adjustment circuit | |
| JPS58132500U (en) | Speaker minimum resonance frequency measuring device | |
| JPS58185000U (en) | stereo wide circuit | |
| JPS6082900U (en) | sound reproduction device |