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Eastern Acoustic Works   One Main Street   Whitinsville, MA 01588   tel 800 992 5013 / 508 234 6158   fax 508 234 8251   www.eaw.com

EAW products are continually improved.  All specifications are therefore subject to change without notice. 

Part Number:  RD0187 (B) AX366   April 2005

A X 3 6 6   S p e c i f i c a t i o n s            

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HORIZONTAL POLAR  DATA

(Gridlines: 6 dB axial / 15 degree radial)

See NOTES GRAPHIC DATA for details

Summary of Contents for AX366

Page 1: ...ile being acoustically opaque to and acting as a waveguide for the HF energy The low frequencies are reproduced by a pair of spaced 12 inch cone drivers This LF subsystem maintains the overall coaxial design as its acoustic origin is along the acoustic axis of the MF HF subsystem In addition the LF driver spacing provides better pattern control than systems of similar size that use a single LF dri...

Page 2: ...247 9 2 13 3 48 40 20 32 609 6 24 00 516 1 TOP DIMENSIONS APPLY TO TOP AND BOTTOM 88 5 54 1 304 2 11 98 L C A 15 79 3 48 B A 401 0 53 8 88 5 508 0 C L 8 65 15 79 4 00 5 00 VIEW A A PRODUCTION L C 127 0 101 6 EASTERN ACOUSTIC WORKS BACK SERIAL NUMBER INPUT 20 65 L C PLATE 524 5 NOTES 1 SYMBOL INDICATES MOUNTING POINT 3 8 16 THREADED HOLE PI ANGLE 2 SYMBOL INDICATES CENTER OF BALANCE 3 WEIGHT APPROX...

Page 3: ...uency Response Unprocessed LF green MF HF black Single amp blue SPL dB Frequency Response Digital Signal Processor LF green MF HF black Single amp blue dB re 0 775 V Beamwidth 6 dB SPL Points Horizontal orange Vertical black Degrees Impedance Magnitude LF green MF HF black Single amp blue Ohms 120 110 100 90 80 70 60 100 10 1 400 100 10 1 100 1000 20000 Frequency Hz 10 100 1000 20000 Frequency Hz ...

Page 4: ... 6 6 S p e c i f i c a t i o n s group I 0 45 90 135 180 135 90 45 100 Hz 125 Hz 160 Hz 200 Hz 0 45 90 135 180 135 90 45 250 Hz 315 Hz 400 Hz 500 Hz 0 45 90 135 180 135 90 45 630 Hz 800 Hz 1000 Hz 1250 Hz 0 45 90 135 180 135 90 45 1600 Hz 2000 Hz 2500 Hz 3150 Hz 0 45 90 135 180 135 90 45 4000 Hz 5000 Hz 6300 Hz 8000 Hz 0 45 90 135 180 135 90 45 10000 Hz 12000 Hz 16000 Hz HORIZONTAL POLAR DATA Grid...

Page 5: ...3 6 6 S p e c i f i c a t i o n s group I VERTICAL POLAR DATA Gridlines 6 dB axial 15 degree radial See NOTES GRAPHIC DATA for details 0 45 90 135 180 135 90 45 100 Hz 125 Hz 160 Hz 200 Hz 0 45 90 135 180 135 90 45 250 Hz 315 Hz 400 Hz 500 Hz 0 45 90 135 180 135 90 45 630 Hz 800 Hz 1000 Hz 1250 Hz 0 45 90 135 180 135 90 45 4000 Hz 5000 Hz 6300 Hz 8000 Hz 0 45 90 135 180 135 90 45 10000 Hz 12000 Hz...

Page 6: ...13 Nominal Beamwidth Design angle for the 6 dB SPL points referenced to 0 dB SPL as the highest level 14 Axial Sensitivity Power averaged SPL over the Operating Range with an input voltage that would produce 1 W at the nominal impedance measured with no external processing on the geometric axis referenced to 1 m 15 Nominal Impedance Selected 4 8 or 16 ohm resistance such that the minimum impedance...

Page 7: ...llenge was coupling this MF HF device to a single horn without the acoustical difficulties of typical coaxial drivers This required creating both an always increasing horn expansion rate over the HF range Fig 3 and a phase plug to properly load the MF cone driver both to improve its efficiency and eliminate cone to horn path length differences The solution involved a modified version of EAW s pate...

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