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22 • English ArenaMatch Utility • Installation Guide
PRO.BOSE.COM
Technical Specifications
AMU108
System Performance
Frequency Response (–3 dB)
1
90 Hz to 16 kHz
Frequency Range (–10 dB) 80 Hz to 16 kHz
Nominal Coverage Pattern (H × V) 90° 60° (rotatable high-frequency horn)
Recommended High-pass Filter 80 Hz with minimum 12-dB/octave filter
Crossover Passive (1.4 kHz crossover frequency)
70V/100V transformer tap settings 70V: 5W (763 ), 10W (414 ), 20W (216 ), 40W (108 ), 80W (53 ); 100V: 10W (763 ), 20W (414 ), 40W(216),
80W (108 )
Bose Extended Lifecycle Test
2
AES Transducer Test
3
Power Handling, long-term continuous 200 W 250 W
Power Handling, peak 800 W 1000 W
Free Field Wall/Ceiling Free Field Wall/Ceiling
Sensitivity (SPL / 1 W @ 1 m)
4
91 dB 93 dB 91 dB 93 dB
Calculated Maximum SPL @ 1 m
5
114 dB 116 dB 115 dB 117 dB
Calculated Maximum SPL @ 1 m, peak 120 dB 122 dB 121 dB 123 dB
EN 54-24 Certified Ratings
6
100V/80W Passive
Sensitivity (1 W @ 4 m) 77.3 dB 77.8 dB
Measured max. SPL @ 4 m 96.7 dB 99.4 dB
Coverage Angle Octave Band 500 Hz 1000 Hz 2000 Hz 4000 Hz
Horizontal Coverage 172° 106° 84° 72°
Vertical Coverage 182° 106° 86° 64°
Passive Nominal Impedance 7.6
Rated Noise Voltage / Transformer Rated Noise Power 100V / 80W
Transducers
Low Frequency 1 Bose LF8 high-excursion 8-inch woofer (2-inch voice coil)
High Frequency 1 × Bose EMB2S titanium-diaphragm, neodymium compression drivers (2-inch voice coil)
Nominal Impedance 8 Ω
Physical
Enclosure Material Exterior-grade birch plywood
Finish Two-part polyurethane coating, black or white
Grille Powder-coated perforated stainless steel, acoustic foam, stainless steel mesh
Environmental
7
Rated for direct-exposure outdoor installations (IP55 per EN60529; IP33C per EN54-24)
Connectors 1 barrier strip (accepts 10 to 18 wire gauge)
Suspension/Mounting 3 M8 threaded inserts for U-bracket (per side); 4 M8 threaded inserts on rear surface (12770mm, 4-bolt pattern)
Dimensions (H × W × D) – millimeters 235 498 316 with U-bracket
Dimensions (H × W × D) – inches 9.3 19.6 12.4 with U-bracket
Net Weight (loudspeaker only) 10.6 kg (23.3 lb)
Net Weight (with U-bracket) 12.6 kg (27.7 lb)
Shipping Weight 14.2 kg (31.2 lb)
Accessories Included powder-coated steel U-bracket; optional pan-and-tilt bracket
Footnotes
1. Frequency response and range measured on-axis in anechoic environment with recommended bandpass and EQ.
2. Bose extended-lifecycle test using pink noise filtered to meet IEC268-5, 6-dB crest factor, 500-hour duration.
3. AES standard 2-hour duration with IEC system noise.
4. Sensitivity measured in anechoic environment with recommended high-pass filter.
5. Maximum SPL calculated using sensitivity and power ratings, exclusive of power compression.
6. The specifications data was measured in an anechoic chamber, free-field. Reference plane is on the grille surface. Reference axis is perpendicular to center of grille surface.
Horizontal plane contains the reference axis and is parallel to the horizontal axis defined by the longest bae dimension.
7. Tested to IP55 per EN60529 when used in General Purpose Audio installation, not for Fire and Evacuation notification applications. Notified Body certified by UL per the EN54-24
standard for an IP33C rating, acceptable for use in a Fire and Evacuation Notification System application.
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