CA1110176A - Woofer efficiency - Google Patents
Woofer efficiencyInfo
- Publication number
- CA1110176A CA1110176A CA320,911A CA320911A CA1110176A CA 1110176 A CA1110176 A CA 1110176A CA 320911 A CA320911 A CA 320911A CA 1110176 A CA1110176 A CA 1110176A
- Authority
- CA
- Canada
- Prior art keywords
- woofer
- frequency
- improvement
- accordance
- vented
- 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
Links
- 230000004044 response Effects 0.000 claims description 20
- 230000006872 improvement Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- 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
- H04R1/28—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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7900066A NL7900066A (nl) | 1979-01-05 | 1979-01-05 | Luidsprekerinrichting met verbeterde lage-tonenluid- sprekerefficieentie. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1110176A true CA1110176A (en) | 1981-10-06 |
Family
ID=19832399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA320,911A Expired CA1110176A (en) | 1979-01-05 | 1979-02-06 | Woofer efficiency |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1110176A (US07534539-20090519-C00127.png) |
DE (1) | DE2901021A1 (US07534539-20090519-C00127.png) |
FR (1) | FR2448272A1 (US07534539-20090519-C00127.png) |
NL (1) | NL7900066A (US07534539-20090519-C00127.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8501719A (nl) * | 1985-06-14 | 1987-01-02 | Philips Nv | Basreflex luidsprekersysteem. |
CN103686555B (zh) * | 2013-11-19 | 2017-01-11 | 歌尔股份有限公司 | 微型扬声器模组和增强其频率响应的方法以及电子设备 |
-
1979
- 1979-01-05 NL NL7900066A patent/NL7900066A/nl not_active Application Discontinuation
- 1979-01-12 DE DE19792901021 patent/DE2901021A1/de not_active Withdrawn
- 1979-01-31 FR FR7902559A patent/FR2448272A1/fr active Granted
- 1979-02-06 CA CA320,911A patent/CA1110176A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7900066A (nl) | 1980-07-08 |
FR2448272B3 (US07534539-20090519-C00127.png) | 1981-10-16 |
FR2448272A1 (fr) | 1980-08-29 |
DE2901021A1 (de) | 1980-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |