APP TECHNICAL DATA
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VOLUME TWO
6.0 MH690iE SYSTEM
6.1 MH690iE Architectural Specifications
The two-way midrange/high frequency loudspeaker system shall incorporate a10 inch
mid frequency cone transducer and a compression driver mounted to a constant
directivity high frequency horn. The system shall meet the following performance
criteria: Frequency Response of 200 Hz to 19 kHz ± 3 dB; Axial Sensitivity (1W @ 1m)
of 108 dB SPL; 100 hour sine wave Power Handling of 175 Watts (MF), 80 Watts (HF);
Horizontal coverage of 90° between -6 dB points; Vertical coverage of 45° between -
6 dB points.
The system’s mid frequency driver shall be loaded into a constant horizontal coverage
horn constructed of 3 mm cross-grain-laminated birch hardwood. The horn flare shall
be reinforced with high density polyurethane foam and shall incorporate a center
displacement plug. The high frequency driver shall utilize a titanium diaphragm.
The trapezoidal enclosure shall be constructed of void-free cross-grain-laminated birch
plywood and shall have internal bracing. It shall be finished in a black catalyzed polyurethane coating. All external hardware shall be stainless steel or shall be coated to
protect against rust and corrosion. The front of the system shall be covered with a
protective perforated steel grill assembly coated with vinyl to dampen resonance.
Hanging fixture attachment points shall be installed in the top and bottom of the
enclosure and mating clips shall be included with the system. Cabinet sides shall be
tapered in such a way as to simplify construction of arrays.
The two-way midrange/high frequency loudspeaker system shall be the EAW model
MH690iE.
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 180
APP TECHNICAL DATA
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VOLUME TWO
6.2 MECHANICAL DRAWINGS
6.2.2 MH690iE
22°
23
19
32
1
18
4
TOP/BOTTOM
C
L
11 3/4 ± 1/32
3
12
4
1
2
2
1
3
3
3
4 33 14
10
6
2
1
10
2
10
11
33
1
4
BACK
11 3/4 ± 1/32
22
1
29
2
1
18
FRONT SIDES
29
25
32
17 1/2 ± 1/32
4
4
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 181
3
2
4
4
15
10
16
MOUNTING POINTS
3/8"-16 NUTS WELDED
TO A
2" x 2" STEEL L-PLATE
CENTER OF BALANCE
TOP/BOTTOM
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VOLUME TWO
6.3 INPUT PANEL DRAWINGS
6.3.1 MH690iE Bi-amp Configuration
NL4 MPR NEUTRIK CONNECTOR
NEUTRIK
EASTERN ACOUSTIC WORKS
MH-690iE
HORN-LOADED
MID-HIGH SYSTEM
PIN 1
PIN 1+
PIN 2
PIN 2+
--
--
...
...
...
...
MID
MID
HIGH
HIGH
--
+
--
+
NO.
MADE IN USA
BANANAS
RED YELLOW
NL 4 MPR
MID HIGH
--
BLACK
BANANAS
BLACK
4-142 Y CINCH CONNECTOR
MID
+
--
HIGH
+
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 182
APP TECHNICAL DATA
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90°
120°
150°
180°
210°
240°
270°
300°
330°
60°
30°
0°
B
K
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
MH690 Horizontal Polar Data
1/3 Octave Band 160 Hz
VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.1 Octave Band 125 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
330°
300°
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 183
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 100 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
MH690 Horizontal Polar Data
Octave Band 125 Hz
330°
60°
90°
120°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 125 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
30°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.2 Octave Band 250 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 200 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 184
MH690 Horizontal Polar Data
Octave Band 250 Hz
330°
60°
90°
120°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 250 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
150°
B
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 315 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.3 Octave Band 500 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
120°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 400 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 185
MH690 Horizontal Polar Data
Octave Band 500 Hz
330°
60°
90°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 500 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
150°
B
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 630 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.4 Octave Band 1,000 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
120°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 800 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 186
MH690 Horizontal Polar Data
Octave Band 1000 Hz
330°
60°
90°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 1000 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
150°
B
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 1250 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.5 Octave Band 2,000 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
120°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 1600 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 187
MH690 Horizontal Polar Data
Octave Band 2000 Hz
330°
60°
90°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 2000 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
B
150°
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 2500 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.6 Octave Band 4,000 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
120°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 3150 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 188
MH690 Horizontal Polar Data
Octave Band 4000 Hz
330°
60°
90°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 4000 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
150°
B
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 5000 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.7 Octave Band 8,000 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
120°
330°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 6300 Hz
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 189
MH690 Horizontal Polar Data
Octave Band 8000 Hz
330°
60°
90°
300°
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 8000 Hz
0°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
30°
60°
270°
90°
120°
150°
B
330°
300°
240°
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 10000 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°
APP TECHNICAL DATA
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90°
120°
150°
180°
210°
240°
270°
300°
330°
60°
30°
0°
B
K
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
MH690 Horizontal Polar Data
1/3 Octave Band 20000 Hz
VOLUME TWO
6.5 MH690iE POLAR RESPONSE
6.5.1 Horizontal Polar Data
6.5.1.8 Octave Band 16,000 Hz
0°
330°
300°
270°
-36 -24 -30 -18 -12 -6 0 -36 -24 -30 -18 -12 -6 0
240°
B
K
210°
30°
60°
90°
120°
150°
180°
330°
300°
EASTERN ACOUSTIC WORKS, INC. One Main Street, Whitinsville, MA 01588 • TEL: (508) 234 - 6158 • FAX: (508) 234 - 8251 • BBS (508) 234-6173
Volume 2: Release 1.2 Acoustical Performance Partnership Program Page 190
270°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 12500 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
180°
150°
60°
120°
MH690 Horizontal Polar Data
Octave Band 16000 Hz
330°
300°
270°
90°
240°
B
K
210°
MH690 Horizontal Polar Data
1/3 Octave Band 16000 Hz
0°
30°
-36 -24 -30 -18 -12 -60 -36 -24 -30 -18 -12 -6 0
150°
180°
60°
90°
120°