JPS61156400U - - Google Patents
Info
- Publication number
- JPS61156400U JPS61156400U JP3966685U JP3966685U JPS61156400U JP S61156400 U JPS61156400 U JP S61156400U JP 3966685 U JP3966685 U JP 3966685U JP 3966685 U JP3966685 U JP 3966685U JP S61156400 U JPS61156400 U JP S61156400U
- Authority
- JP
- Japan
- Prior art keywords
- signal source
- output terminals
- output
- power amplifier
- signal
- 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
- 230000005236 sound signal Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案にかかる車載用音響機器のブロ
ツク図、第２図は本考案にかかる別の車載用音響
機器のブロツク図、第３図は従来のパワーフエダ
ー方式の構成説明図、第４図は従来のプリフエダ
ー方式の構成説明図である。
３１……信号源、３２……パワーアンプ、３３
……パワーフエダー、３４……フロントスピーカ
、３５，３９……第１、第２のリアスピーカ、３
６……プリフエダー、３７……プリアンプ、４１
〜４４……スイツチ、５１〜５３……第１、第２
、第３の出力端子。
FIG. 1 is a block diagram of an in-vehicle audio device according to the present invention, FIG. 2 is a block diagram of another in-vehicle audio device according to the present invention, FIG. 3 is an explanatory diagram of the configuration of a conventional power feeder system, and FIG. 4 1 is a diagram illustrating the configuration of a conventional prefeeder system. 31... Signal source, 32... Power amplifier, 33
...Power feeder, 34...Front speaker, 35, 39...First and second rear speakers, 3
6... Prefeder, 37... Preamplifier, 41
~44...Switch, 51-53...1st, 2nd
, a third output terminal.
Claims (1)
信号を第１及び第２の出力端子に分配し、かつ第
１及び第２の出力端子に接続されるフロントスピ
ーカとリアスピーカの音量比を調整するプリフエ
ダーと、前記信号源とプリフエダーに選択的に接
続されると共に入力されたオーデイオ信号を増幅
するパワーアンプと、パワーアンプから出力され
るオーデイオ信号を第１及び第３の出力端子に分
配し、かつ第１及び第３の出力端子に接続される
前後のスピーカの音量比を調整するパワーフエダ
ーと、前記プリフエダーと前記第２出力端子間に
配設されるプリアンプと、切替スイツチを有し、
該切りスイツチは選択的にａ信号源と第１、第３
の出力端子間をパワーアンプとパワーフエダーを
介して接続するか、あるいはｂ信号源と第１出力
端子間をプリフエダーとパワーアンプを介し、又
信号源と第２出力端子間をプリフエダーとプリア
ンプを介してそれぞれ接続することを特徴とする
車載用音響機器。 Distributing a signal source and an audio signal output from the signal source to first and second output terminals, and adjusting the volume ratio of front speakers and rear speakers connected to the first and second output terminals. a pre-feder, a power amplifier selectively connected to the signal source and the pre-feder and amplifying the input audio signal; distributing the audio signal output from the power amplifier to first and third output terminals, and It has a power fader that adjusts the volume ratio of front and rear speakers connected to first and third output terminals, a preamplifier disposed between the prefeeder and the second output terminal, and a changeover switch,
The cut switch selectively switches between the a signal source and the first and third signal sources.
Connect the output terminals of B via a power amplifier and a power fader, or connect the signal source and the first output terminal via a prefeder and a power amplifier, or connect the signal source and the second output terminal via a prefeder and a preamplifier. In-vehicle audio equipment that is characterized by being connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3966685U JPH033040Y2 (en) | 1985-03-19 | 1985-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3966685U JPH033040Y2 (en) | 1985-03-19 | 1985-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61156400U true JPS61156400U (en) | 1986-09-27 |
| JPH033040Y2 JPH033040Y2 (en) | 1991-01-25 |
Family
ID=30547827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3966685U Expired JPH033040Y2 (en) | 1985-03-19 | 1985-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033040Y2 (en) |
-
1985
- 1985-03-19 JP JP3966685U patent/JPH033040Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033040Y2 (en) | 1991-01-25 |
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