JPS574695A - Speaker system - Google Patents

Speaker system

Info

Publication number
JPS574695A
JPS574695A JP7859280A JP7859280A JPS574695A JP S574695 A JPS574695 A JP S574695A JP 7859280 A JP7859280 A JP 7859280A JP 7859280 A JP7859280 A JP 7859280A JP S574695 A JPS574695 A JP S574695A
Authority
JP
Japan
Prior art keywords
sound pressure
pressure properties
cabinet
band
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.)
Pending
Application number
JP7859280A
Other languages
Japanese (ja)
Inventor
Koshin Shimada
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7859280A priority Critical patent/JPS574695A/en
Publication of JPS574695A publication Critical patent/JPS574695A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To enhance the efficiency of a narrow-band speaker system, by increasing the Q for both the minimum resonance frequency and the high-band cut-off frequency. CONSTITUTION:Both the vibration system mass M and the cabinet compliance CB are selected properly to increase the Q for the minimum resonance frequency fO. At the same time, the compliance CF of a filter is selected properly to increase the Q for the high-band cut-off frequency fH. As a result, the sound pressure properties of a narrow band can be obtained like (c) to ensure a high efficiency compared with the flat max (b'). On the other hand, the sound pressure properties like (d) can be obtained by storing the speaker unit by which the sound pressure properties (b) can be obtained into a cabinet of a bus reflex or drone cone system. Furthermore the sound pressure properties like (e) can be obtained by storing the speaker unit capable of obtaining the sound pressure properties (c) into a cabinet of a bus reflex or drone cone system.
JP7859280A 1980-06-10 1980-06-10 Speaker system Pending JPS574695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7859280A JPS574695A (en) 1980-06-10 1980-06-10 Speaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7859280A JPS574695A (en) 1980-06-10 1980-06-10 Speaker system

Publications (1)

Publication Number Publication Date
JPS574695A true JPS574695A (en) 1982-01-11

Family

ID=13666171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7859280A Pending JPS574695A (en) 1980-06-10 1980-06-10 Speaker system

Country Status (1)

Country Link
JP (1) JPS574695A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110308672A (en) * 2019-07-30 2019-10-08 Oppo广东移动通信有限公司 Electronic equipment, display panel and sound generating device
WO2023167113A1 (en) * 2022-03-03 2023-09-07 フォスター電機株式会社 Speaker device and sound system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110308672A (en) * 2019-07-30 2019-10-08 Oppo广东移动通信有限公司 Electronic equipment, display panel and sound generating device
CN110308672B (en) * 2019-07-30 2021-09-17 Oppo广东移动通信有限公司 Electronic equipment, display panel and sound production device thereof
WO2023167113A1 (en) * 2022-03-03 2023-09-07 フォスター電機株式会社 Speaker device and sound system
JP2023128448A (en) * 2022-03-03 2023-09-14 フォスター電機株式会社 Speaker equipment and sound system

Similar Documents

Publication Publication Date Title
AU532718B2 (en) Acoustic filter for coaxial speakers
AU552258B2 (en) Method and apparatus for low frequency active attenuation
JPS5379525A (en) Compound diaphtagm for speakers
GB2018079B (en) Filters comprising coupled acoustic wave resonators
JPS5298408A (en) Mixer circuit
JPS538594A (en) Electronic buzzer
JPS574695A (en) Speaker system
JPS55156414A (en) Band pass filter
JPS53111576A (en) Filter element for separation of oil mist
JPS56168496A (en) Speaker
JPS5434614A (en) Picture dignal transmission system
JPS5364018A (en) Speaker system
JPS53130013A (en) Diaphragm for speakers and production of the same
JPS52153724A (en) Tone controler
JPS5477050A (en) Frequency band-pass split filter
FR2380704A7 (en) Acoustic enclosure for loudspeakers - has mechanical filters preventing transmission of vibrations between loudspeaker and casing
JPS5413323A (en) Speaker system of phase inversion type
JPS54845A (en) Band pass filter
JPS53112701A (en) Booming remover
AU3425178A (en) The tuning ofthe resonance frequency on resonators
JPS5317252A (en) Ssb modulator and demodulator
JPS5363844A (en) Filter equipment
SU778591A1 (en) REJECTABLE BAND STRIPPING FILTER
JPS55140393A (en) Speaker unit
JPS53112702A (en) Booming remover