Detailed instructions for use are in the User's Guide.
[. . . ] Furthermore, excellent loading is maintained to a low frequency of 1000 Hz. The flat-front design makes the HP64 suitable for all modern boxed and clustered systems. [. . . ] The flat-front design makes the HP64 suitable for all modern boxed and clustered systems. A special vaned waveguide throat detail gives the HP64 unusually good high-frequency control, vertically, when compared to similar 2-inch-throat horn designs.
TransPlanarTM Constant-Directivity Horn
Architects' and Engineers' Specifications
The horn shall be of the constant-directivity type. It shall produce a horizontal beamwidth (6 dB-down angle) of 60 degrees, deviating no more that 30 degrees from this angle over the frequency range 2, 000 to 20, 000 Hz. It shall produce a vertical beamwidth of 40 degrees, deviating no more than 20 degrees from this angle over the frequency range 1, 600 to 20, 000 Hz. In addition, it shall provide useful acoustic loading at all frequencies above 1000 Hz. The horn shall be of hybrid fiberglass-and-zinc construction. Vertical beamwidth is maintained at 40° (+20°, -10°) over the range 1. 8 kHz to 20 kHz.
Figure 2: Directivity vesus Frequency
Figure 3: 6-dB-Down Beamwidth versus Frequency
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© Telex Communications, Inc. 02/2001 Part Number 38109-954 Rev A
12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-884-4051, FAX: 952-884-0043 705 Progress Avenue, Unit 46, Scarborough, Ontario, Canada, M1H2X1, Phone: 416-431-4975, 800-881-1685, FAX: 416-431-4588 Hirschberger Ring 45, D94315, Straubing, Germany, Phone: 49 9421-706 0, FAX: 49 9421-706 287 Parc de Courcerin, Alle Lech Walesa, Lognes, 77185 Marne La Vallee, France, Phone: 33/1-6480-0090, FAX: 33/1-6480-4538 Unit 23, Block C, Slough Business Park, Slough Avenue, Silverwater, N. S. W. 2128, Australia, Phone: 61/2-9648-3455, FAX: 61/2-9648-5585 Unit E & F, 21/F, Luk Hop Industrial Bldg. , 8 Luk Hop St. , San PO Kong, Kowloon, Hong Kong, Phone: 852-2351-3628, FAX: 852-2351-3329 5-3-8 Funabashi, Setagaya-ku, Tokyo, 156-0055 Japan, Phone: +81 (0) 3-5316-5020, FAX: +81 (0) 3-5316-5031 3015A Ubi Rd 1, 05-10, Kampong Ubi Industrial Estate, Singapore 408705, Phone: 65-746-8760, FAX: 65-746-1206 Av. 53390, Phone: (52) 5358-5434, FAX: (52) 5358-5588 4, The Willows Centre, Willow Lane, Mitcham, Surrey CR4 4NX, UK, Phone: 44 181 640 9600, FAX: 44 181 646 7084 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7424, FAX: 952-887-9212 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7491, FAX: 952-887-9212
U. S. A. For customer orders, contact the Customer Service department at 800/392-3497 Fax: 800/955-6831 For warranty repair or service information, contact the Service Repair department at 800/685-2606 For technical assistance, contact Technical Support at 866/78AUDIO Please refer to the Engineering Data Sheet for warranty information. [. . . ] 2128, Australia, Phone: 61/2-9648-3455, FAX: 61/2-9648-5585 Unit E & F, 21/F, Luk Hop Industrial Bldg. , 8 Luk Hop St. , San PO Kong, Kowloon, Hong Kong, Phone: 852-2351-3628, FAX: 852-2351-3329 5-3-8 Funabashi, Setagaya-ku, Tokyo, 156-0055 Japan, Phone: +81 (0) 3-5316-5020, FAX: +81 (0) 3-5316-5031 3015A Ubi Rd 1, 05-10, Kampong Ubi Industrial Estate, Singapore 408705, Phone: 65-746-8760, FAX: 65-746-1206 Av. 53390, Phone: (52) 5358-5434, FAX: (52) 5358-5588 4, The Willows Centre, Willow Lane, Mitcham, Surrey CR4 4NX, UK, Phone: 44 181 640 9600, FAX: 44 181 646 7084 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7424, FAX: 952-887-9212 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7491, FAX: 952-887-9212
U. S. A. [. . . ]