SE324388B - - Google Patents
Info
- Publication number
- SE324388B SE324388B SE11375/69A SE1137569A SE324388B SE 324388 B SE324388 B SE 324388B SE 11375/69 A SE11375/69 A SE 11375/69A SE 1137569 A SE1137569 A SE 1137569A SE 324388 B SE324388 B SE 324388B
- Authority
- SE
- Sweden
- Prior art keywords
- bass unit
- cabinet
- degrees
- side walls
- angle
- Prior art date
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
- H04R1/32—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)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
1,269,550. Loudspeakers. EKDAHL & OLOFSSON HANDELSBOLAG. 30 Dec., 1969 [15 Aug., 1968], No. 63278/69. Headings H4J and H4X. An airtight loudspeaker cabinet is in crosssection (Fig. 3) a regular polygon having at least 6 corners. A bass unit 5 is mounted at one cabinet end wall while at least three treble units 6 (Fig. 4) are mounted in adjoining side walls adjacent the bass unit 5. The angle between the normals to the most remote side walls in which treble units 6 are mounted is at most 120 degrees. A cross-over network is provided. The cabinet rearwardly of the bass unit is preferably at least twice the diameter of the bass unit 5. The angle of radiation of the treble units is substantially 135 degrees within 6 db.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE11375/69A SE324388B (en) | 1969-08-15 | 1969-08-15 | |
GB6327869A GB1269550A (en) | 1969-08-15 | 1969-12-30 | Improvements in or relating to loudspeakers |
DE19702037019 DE2037019A1 (en) | 1969-08-15 | 1970-07-25 | speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE11375/69A SE324388B (en) | 1969-08-15 | 1969-08-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE324388B true SE324388B (en) | 1970-06-01 |
Family
ID=20293850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE11375/69A SE324388B (en) | 1969-08-15 | 1969-08-15 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2037019A1 (en) |
GB (1) | GB1269550A (en) |
SE (1) | SE324388B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI81471C (en) * | 1988-11-08 | 1990-10-10 | Timo Tarkkonen | HOEGTALARE GIVANDE ETT TREDIMENSIONELLT STEREOLJUDINTRYCK. |
DE29705406U1 (en) * | 1997-03-25 | 1997-06-12 | Bünzow, Hans-Dieter, Dipl.-Ing. (FH), 91054 Erlangen | Housing for a loudspeaker |
-
1969
- 1969-08-15 SE SE11375/69A patent/SE324388B/xx unknown
- 1969-12-30 GB GB6327869A patent/GB1269550A/en not_active Expired
-
1970
- 1970-07-25 DE DE19702037019 patent/DE2037019A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1269550A (en) | 1972-04-06 |
DE2037019A1 (en) | 1971-03-04 |
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