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The directivity factor for a transmitting or receiving transducer is mathematically defined as ... tegral(s) given above for the directivity factor into a ...

http://ieeexplore.ieee.org/iel2/3039/8632/00379995.pdf?arnumber=379995

scribed by the directivity factor, which is defined as the ratio of the power radiated per unit ... the directivity factor in decibels; the resultant num- ...

http://ieeexplore.ieee.org/iel6/8337/26100/01162504.pdf?arnumber=1162504

LE-M124. Dimensions. Coverage Angle vs Frequency (– 6 dB). Directivity Factor vs Frequency (Q). Polar Response (1/3 Octave Pink Noise). Horizontal. Vertical ...

http://www.toaelectronics.com/disc/manuals/lem_horns.pdf

LE-M124. APPEARANCE AND DIMENSIONAL DIAGRAM. CHARACTERISTIC DIAGRAMS l Coverage Angle vs Frequency (-6dB) l Directivity Factor vs Frequency (Q) ...

http://www.toaelectronics.com/disc/spec_sheets/lem_series.pdf

ANDREW T. MARTIN. Sound Source Dispersion and Directivity Factor. Some of the most commonly overlooked aspects of sound reinforcement are also the most ...

http://www.marventure.com/Articles/DB Magazine 9-1988 Sound Source Dispersion and Directivity Factor/DB Magazine 9-1988 Sound Source Dispersion and Directivity Factor page 1.PDF

Q is the directivity factor of the sound source. R is the room constant. I ■wimple: The diffère. dB-SPL ice is 23.67-14.71 = 8.96 ...

http://www.marventure.com/Articles/DB Magazine 9-1988 Sound Source Dispersion and Directivity Factor/DB Magazine 9-1988 Sound Source Dispersion and Directivity Factor page 4.PDF

Directivity Index (DI), dB. Directivity Factor (Q). Directivity vs. Frequency ... Directivity Factor (Q): 10 (+4, -2). 20 (+12, -10). 26 (+10, -18) ...

http://www.jblpro.com/pages/pub/components/21929394.pdf

Directivity factor and index were computed from two degree resolution vertical and horizontal polars using sinusoidal weighting. 6. ...

http://www.soundaudiosystems.com/pdf/tech-sheets/factor-12.pdf

Directivity factor and index were computed from two degree resolution vertical and horizontal polars using sinusoidal weighting. 6.Polars were ...

http://www.soundaudiosystems.com/pdf/tech-sheets/bc-1.pdf

of the gain or directivity factor without the coupling coefficient exceeding a prescribed .... directivity factor or the gain of the transmitting array with ...

http://www.springerlink.com/index/TV72251452181767.pdf

Directivity factor AL 0 as a function of the angle 0 for different values of the parameter. VeV1/aaV = . 0, deg. outflow regime. In Fig. ...

http://www.springerlink.com/index/UX23744112157062.pdf

Directivity. The axial directivity factor R θ. , (formerly Q) of the HP940 horn was computed at each one-third-octave center frequency from ...

http://archives.telex.com/archives/EV/Speakers/HP Series Horns/HP940_Horn_EDS.pdf

A Proposed Standard Method of Measuring the Directivity Factor ... Calculating the Directivity Factor y of Transducers from Limited ...

http://www.aes.org/publications/anthologies/downloads/jaes_sound-reinforcement.pdf

The Directivity Index has been calculated using Gerzon' equal angle, weighted area method. 4.5. Tabulated values of Directivity index, Directivity factor, ...

http://www.medc.com/catalog/Test Reports/SUB-200T Test Report.pdf

Tabulated values of Directivity index, Directivity factor, Sensitivity, Acoustic. Power, Power Apportionment, Impedance and Maximum SPL are shown in the ...

http://www.medc.com/catalog/Test Reports/MA4FT Test Report.pdf

Thus, a spherical source has a Q factor of 1 and a directivity factor of 0 dB, and a hemispherical (half-sphere) source has a Q factor of 2 and a ...

http://www.doctorproaudio.com/doctor/cajondesastre/pdfs/brusi_understanding_directivity_game_numbers_doctorproaudio.pdf

Directivity Factor (Q): 8.1 (avg. 500 Hz - 16 kHz). Directivity Index (DI): 6.9 dB (avg. 500 Hz - 16 kHz). System Sensitivity1: 94 dB SPL/1W/1m ...

http://www.mia.dk/attachments/4636_ac28_26.pdf

when the Directivity Factor (Q) of the sound source is known. The scales for Surface Area (S) and ..... Determine the required Directivity Factor (Q) that ...

http://alteclansingunofficial.nlenet.net/publications/ssd.pdf

CALCULATION OF DIRECTIVITY FACTOR. The directivity factor (Q) of a loudspeaker is the ratio of the total power radiated by a hypothetical loudspeaker, ...

http://alteclansingunofficial.nlenet.net/publications/techletters/TL_201A.pdf

where x(i) is the directivity factor, normalized by the relation jx(i)dQ=l. Hence x(i) = 1/4x for a non-directional source and x(i) = (3/8n) sin2i for a ...

http://www.iop.org/EJ/article/0022-3727/2/4/317/jdv2i4p605.pdf

free-space directivity factor of the aerial. In the case of the transmitting aerial, we define the free-space directivity factor as the relation between ...

http://www.iop.org/EJ/article/0959-5309/59/5/311/prv59i5p847.pdf

Directivity factor and index were computed from two degree resolution vertical and horizontal polars using sinusoidal weighting. 6.Polars ...

http://www.dasaudio.com/DOCUMENTOS_D/HOJAS TECNICAS/FAC/TE_FAC5T_05.PDF

base 10 of the directivity factor (Q) at a specified frequency (Beranek, 1993). The directivity factor (Q) is the ratio of the mean-square sound pressure of ...

http://pdfs.journals.lww.com/ear-hearing/2007/02000/Predictive_Measures_of_Directional_Benefit_Part_1_.4.pdf

Directivity. The axial directivity factor R θ. (formerly Q) of the HPT94 horn was computed at each one-third-octave center frequency from ...

http://catalogs.infocommiq.com/AVCat/images/documents/pdfs/HPT94_Horn_EDS.pdf

by S Doclo - Cited by 2

ftp://ftp.esat.kuleuven.ac.be/pub/SISTA/doclo/reports/05-218.pdf

Directivity Factor. Directivity Index. Rigid boundaries force an omni-directional source to radiate sound in preferential direction ...

http://www.iitr.ac.in/outreach/web/CIRCIS/PG/NVH/Chapter 2 Environmental Noise Propagation.pdf

Directivity Factor (Q): 8.9 (avg. 500 Hz - 16 kHz). Directivity Index (DI): 7.5 dB (avg. 500 Hz - 16 kHz). System Sensitivity1: 94 dB SPL/1W/1m ...

http://www.soundservice.gr/jblfiles/ae ac compact/JBL_AC2895.pdf

4.04 Tabulated values of Directivity index, Directivity factor, Sensitivity,. Acoustic Power, Power Apportionment, Impedance and Maximum SPL ...

http://www.pentonuk.co.uk/technical/test-reports/1622-LS-RCS3T-June08.pdf

The corresponding directivity factor is simply D ¼ 1. Similarly, the radiation from a circular piston of radius a mounted in an infinite ...

http://www.download-it.org/free_files/Pages from CHAPTER 6 Sound Radiation from Wheels and Track-6b9bd6ff9e86159122198ad7a1f4f470.pdf

Directivity Factor (Q): 10.0. Directivity Index (DI): 10 dB. Crossover Frequencies: 350 Hz [1.2 kHz]. Dimensions (HxWxD): 1600 mm x 762 mm x 450 mm ...

http://www.performanceaudio.com/media/pdf/100/18705_s.pdf

Directivity Factor (Q): 10.0. Directivity Index (DI): 10 dB. Crossover Frequencies: 350 Hz, [1.2 kHz]. Dimensions (HxWxD): 1937 mm x 762 mm x 450 mm ...

http://www.performanceaudio.com/media/pdf/100/18703_s.pdf

directivity factor and directivity index versus frequency. DISTORTION. Following AES (Audio Engineering Society) recommended practice, plots of second- and ...

http://www.osmondelectronics.com.au/pdfs/MTL-4 EDS.pdf

Directivity Factor (Q): 13.4. Directivity Index (DI): 11.3 dB. Crossover Modes: Bi-amp/Passive switchable. Passive Crossover Frequency: 2 kHz ...

http://www.jands.co.nz/xfiles/JBL Professional/PDF Brochures - do not move/AE/AM5212-66.pdf

Directivity, Q. 20. 100. 1000. 10000. 20000. Frequency (Hz). 0. 10. 20. 1. 10. 100. Directivity Index (DI), dB. Directivity Factor (Q) ...

http://www.jands.co.nz/xfiles/JBL Professional/PDF Brochures - do not move/cbt/CBT100.pdf

brackets which is a directivity factor. J is the first order Bessel ... Functional form of the directivity factor for a circular piston in a rigid baffle. ...

http://imtuoradea.ro/auo.fmte/files-2008/MECATRONICA_files/PATER SORIN 1.pdf

Directivity Factor (Q): 7 (avg. 500 Hz - 16 kHz). Directivity Index (DI): 8 dB (avg. 500 Hz - 16 kHz). System Sensitivity1: 86 dB SPL/1W/1m ...

http://www.musiccentar.com/docs/items/2846.pdf

Sensitivity2: 87 dB SPL, 1 W 1 m (3.3 ft). Maximum SPL3: 108 dB continuous, 114 dB peak. Directivity Factor (Q)2: 6.0. Directivity Index (DI): 7.8 dB ...

http://cachepe.zzounds.com/media/JBL_Ctrl1Pro-85411ae45c1b5bcd7aaac14d4cec5e18.pdf

directivity factor (Figures 3 and 4) suitable for all permanent in- stallations. FREQUENCY RESPONSE. The frequency response of the ...

http://www.peavey.com/assets/literature/manuals/80301093.pdf

DML-1152 Directivity Factor, Index 9. DML-1122/1152 Harmonic Distortion 9. FUNCTIONAL BLOCK DIAGRAM 10. OPERATION. Calibration 11. Limit Indications 11 ...

http://telexlegacy.com/archives/EV/Miscellaneous Electronics/EDS/DMC-1122, 1152, DML-1122, 1152 .pdf

by A VoiceDeterministic data model, 45. Diffuse field distance, 374. Directional gain, 278. Directional pattern, 276. Directivity factor, 278. Directivity index, 278 ...

http://media.wiley.com/product_data/excerpt/63/04714534/0471453463-1.pdf

Directivity Factor. (QorRo): Mean Directivity (Q). (2 kHz to 16 kHz): Useable Low. Frequency Limit: Pressure Sensitivity. dB (SPL): 120° x 40°. See Figure 1 ...

http://www.altecpro.com/pdfs/vintage/SpeakerAndMics/horns/MRII5124 HF Horn.pdf

7kHz Inductively coupled. Directivity Factor (Q). 5.3 averaged 1kHz to 10kHz. Directivity Index (DI). 6.6 averaged 1kHz to 10kHz. Rated Maximum SPL ...

http://www.tannoy.cz/specifications/di_range.pdf

Directivity Factor (Q): 10. Directivity Index (DI): 10 dB. Maximum Peak Output1: 132 dB SPL 1m. Transducer Section: Low Frequency Section: JBL 2261FF, ...

http://www.tanzhaus-zuerich.ch/technik/JBL_VP7210_95DP.pdf

The frequency, the directivity factor 'Q', the d index DI and the angle at which the level has fallen b. 6 dB. The directivity factor is calculated from the ...

http://www.fesb.hr/~mateljan/arta/AppNotes/AP6_Directivity_Measurements-EngRev1.01.pdf

Directivity Factor (Q): 12.6. Directivity Index (DI): 11 dB. Maximum Peak Output1: 134 dB SPL 1m. Transducer Section: Low Frequency Section: JBL 2262FF, ...

http://www.bonstudio.gr/misc/namm/PROAUDIO/VP7212MDP spec sheet.pdf

Directivity Factor vs. Frequency. Frequency. Directivity Factor ... Directivity Factor vs. Frequency. Frequency. Directivity Factor ...

http://www.sks.ie/userfiles/File/Database/TC-630.pdf

Sensitivity2: 87 dB SPL, 1 W 1 m (3.3 ft). Maximum SPL3: 108 dB continuous, 114 dB peak. Directivity Factor (Q)2: 6.0. Directivity Index (DI): 7.8 dB ...

http://www.galax.hu/original/datasheet/installhangf/JBL Control 1 Pro - 5.pdf

Antenna Gain, Directivity, and Conversion Factor. The background for combining various antennas with the Selective Radiation Meter SRM-3000 ...

http://www.narda-sts.de/pdf/fachartikel/AN_HF_1008_E_Antenna_Factors_2008-11-10.pdf

Directivity Factor R θ. (Q): .................................. 18.1. Directivity Index Di: 12.6 dB. 10 log R1. Lowest Recommended Crossover Frequency: ...

http://www.richard-merget.de/Downloads/Speakers Horns/EV HP64M Horn EDS.pdf

beamwidth and directivity factor. (Figures 4 and 5) suitable for all high level sound reinforcement applications. POWER HANDLING ...

https://www.cashandcall.com/PeaveyMF1-X(Horns).pdf