JPS61187190U - - Google Patents
Info
- Publication number
- JPS61187190U JPS61187190U JP6997185U JP6997185U JPS61187190U JP S61187190 U JPS61187190 U JP S61187190U JP 6997185 U JP6997185 U JP 6997185U JP 6997185 U JP6997185 U JP 6997185U JP S61187190 U JPS61187190 U JP S61187190U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- output
- amplifier
- power
- low frequency
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案を説明するブロツク図、第２
図は従来例を説明するブロツク図、である。
１０……電力増幅器、１１……第１電力増幅器
、１２……電２電力増幅器、１３……位相反転器
、１４……低周波帯域増幅器、２０……スピーカ
システム、２１……中高音用スピーカ、２２……
低音用スピーカ。
Figure 1 is a block diagram explaining this idea, Figure 2
The figure is a block diagram explaining a conventional example. 10...Power amplifier, 11...First power amplifier, 12...Electric power amplifier, 13...Phase inverter, 14...Low frequency band amplifier, 20...Speaker system, 21...Speaker for medium and high frequencies , 22...
Bass speaker.
Claims (1)
記入力信号の低周波成分を増幅する低周波帯域増
幅器と、該低周波帯域増幅器の出力を前記第１電
力増幅器と逆相に電力増幅する第２電力増幅器と
、前記第１電力増幅器の出力のホツト側端子とア
ース側端子間に接続の中高音用スピーカと、前記
第１電力増幅器の出力のホツト側端子と前記第２
電力増幅器の出力のホツト側端子間に接続の低音
用スピーカとを備えたことを特徴とする拡声装置
。 a first power amplifier for power amplifying an input signal; a low frequency band amplifier for amplifying a low frequency component of the input signal; and a second power amplifier for power amplifying the output of the low frequency band amplifier in a phase opposite to that of the first power amplifier. a power amplifier, a mid-high frequency speaker connected between the hot side terminal of the output of the first power amplifier and the ground side terminal, and the hot side terminal of the output of the first power amplifier and the second
A public address system characterized by comprising a bass speaker connected between the hot side terminals of the output of the power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997185U JPH062392Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997185U JPH062392Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187190U true JPS61187190U (en) | 1986-11-21 |
| JPH062392Y2 JPH062392Y2 (en) | 1994-01-19 |
Family
ID=30606151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6997185U Expired - Lifetime JPH062392Y2 (en) | 1985-05-10 | 1985-05-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062392Y2 (en) |
-
1985
- 1985-05-10 JP JP6997185U patent/JPH062392Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062392Y2 (en) | 1994-01-19 |