JPS5899990U - sound reproduction device - Google Patents

sound reproduction device

Info

Publication number
JPS5899990U
JPS5899990U JP19291181U JP19291181U JPS5899990U JP S5899990 U JPS5899990 U JP S5899990U JP 19291181 U JP19291181 U JP 19291181U JP 19291181 U JP19291181 U JP 19291181U JP S5899990 U JPS5899990 U JP S5899990U
Authority
JP
Japan
Prior art keywords
speaker
sub
reproduction device
sound reproduction
power amplifier
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
JP19291181U
Other languages
Japanese (ja)
Other versions
JPH0342796Y2 (en
Inventor
恵志 斉藤
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP19291181U priority Critical patent/JPS5899990U/en
Publication of JPS5899990U publication Critical patent/JPS5899990U/en
Application granted granted Critical
Publication of JPH0342796Y2 publication Critical patent/JPH0342796Y2/ja
Granted legal-status Critical Current

Links

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図は本考案の一実施例を示すブロック図、第２図は
スピーカのポール部分の略解断面図である。 １・・・メイン電力増巾器（定電圧ドライブ型アンプ）
、２・・・サブ電力増巾器（サブアンプ）、３・・・ス
ピーカ、４・・・ボイスコイル、５・・・ポール、６・
・・サブコイル。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a schematic sectional view of a pole portion of a speaker. 1... Main power amplifier (constant voltage drive type amplifier)
, 2... Sub power amplifier (sub amplifier), 3... Speaker, 4... Voice coil, 5... Pole, 6...
...Subcoil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力信号を増巾してスピーカを駆動するメイン電力増巾
器と、該スピーカに流れる電流を検出する手段と、前記
入力信号と前記電流を比較して電力増巾するサブ電力増
巾器と、該サブ電力増巾器の出力端に接続され、かつス
ピーカのポールに巻回されてボイスコイルと逆位相で駆
動されるサブコイルとを具備してなることを特徴とする
音響再生装置。a main power amplifier that amplifies an input signal to drive a speaker; a means for detecting a current flowing through the speaker; a sub power amplifier that amplifies power by comparing the input signal and the current; A sound reproduction device comprising a sub-coil connected to the output end of the sub-power amplifier, wound around a pole of a speaker, and driven in phase opposite to the voice coil.
JP19291181U 1981-12-26 1981-12-26 sound reproduction device Granted JPS5899990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19291181U JPS5899990U (en) 1981-12-26 1981-12-26 sound reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19291181U JPS5899990U (en) 1981-12-26 1981-12-26 sound reproduction device

Publications (2)

Publication Number Publication Date
JPS5899990U true JPS5899990U (en) 1983-07-07
JPH0342796Y2 JPH0342796Y2 (en) 1991-09-06

Family

ID=30106293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19291181U Granted JPS5899990U (en) 1981-12-26 1981-12-26 sound reproduction device

Country Status (1)

Country Link
JP (1) JPS5899990U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5056225A (en) * 1973-09-13 1975-05-16
JPS5456225U (en) * 1977-09-28 1979-04-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5056225A (en) * 1973-09-13 1975-05-16
JPS5456225U (en) * 1977-09-28 1979-04-18

Also Published As

Publication number Publication date
JPH0342796Y2 (en) 1991-09-06

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