CA1012895A - Loud speaker system with improved low frequency response - Google Patents

Loud speaker system with improved low frequency response

Info

Publication number
CA1012895A
CA1012895A CA220,644A CA220644A CA1012895A CA 1012895 A CA1012895 A CA 1012895A CA 220644 A CA220644 A CA 220644A CA 1012895 A CA1012895 A CA 1012895A
Authority
CA
Canada
Prior art keywords
low frequency
frequency response
loud speaker
speaker system
improved low
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.)
Expired
Application number
CA220,644A
Inventor
Roy F. Allison
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.)
ALLISON ACOUSTICS Inc
Original Assignee
ALLISON ACOUSTICS Inc
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 ALLISON ACOUSTICS Inc filed Critical ALLISON ACOUSTICS Inc
Application granted granted Critical
Publication of CA1012895A publication Critical patent/CA1012895A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CA220,644A 1974-03-01 1975-02-24 Loud speaker system with improved low frequency response Expired CA1012895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44706574A 1974-03-01 1974-03-01

Publications (1)

Publication Number Publication Date
CA1012895A true CA1012895A (en) 1977-06-28

Family

ID=23774870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,644A Expired CA1012895A (en) 1974-03-01 1975-02-24 Loud speaker system with improved low frequency response

Country Status (10)

Country Link
JP (1) JPS601798B2 (en)
BE (1) BE825962A (en)
CA (1) CA1012895A (en)
CH (1) CH591198A5 (en)
DE (1) DE2507377A1 (en)
ES (1) ES435177A1 (en)
FR (1) FR2262893B1 (en)
GB (1) GB1500199A (en)
IT (1) IT1030246B (en)
NL (1) NL7502223A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144475U (en) * 1979-04-02 1980-10-16
CN103796129A (en) * 2012-11-05 2014-05-14 曾山 Coaxial-line array sound box
CN104113800B (en) * 2014-07-25 2018-07-27 无锡杰夫电声股份有限公司 Dumbbell type reflex cabinet with high pitch compensation

Also Published As

Publication number Publication date
FR2262893A1 (en) 1975-09-26
DE2507377A1 (en) 1975-09-04
CH591198A5 (en) 1977-09-15
BE825962A (en) 1975-06-16
NL7502223A (en) 1975-09-03
GB1500199A (en) 1978-02-08
FR2262893B1 (en) 1982-10-01
JPS601798B2 (en) 1985-01-17
ES435177A1 (en) 1976-12-01
AU7827275A (en) 1976-08-19
IT1030246B (en) 1979-03-30
JPS50122925A (en) 1975-09-26

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