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BOSE AMU208-120
高性能揚聲器

-兩分頻單元設計
-緊湊型櫃體結構
-IP55防護等級

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產品基本資訊

品牌:BOSE

型號/名稱: AMU208-120

SINGLE-LOUDSPEAKER PERFORMANCE

Frequency Response (–3 dB)

Frequency Range (–10 dB)

70 Hz – 18,000 Hz

Nominal Coverage Pattern

AMU208: 90° × 60° in horizontal configuration (rotatable high-frequency horn)
AMU208-120: 120° × 60° in horizontal configuration (rotatable high-frequency horn)

Recommended High-pass Filter

70 Hz with minimum 12-dB/octave filter

Crossover

Passive, separate bandpass filters per transducer (200 Hz & 1.2 kHz)

Transformer Taps

70V: 5, 10, 20, 40, 80 W, bypass
100V: 10, 20, 40, 80 W, bypass

AUDIO PERFORMANCE

AES Transducer Test

Bose Professional Extended-Lifecycle Test

Power Handling, Long-term Continuous

400W

300W

Power Handling, Peak

1600 W

1200 W

	Free field		Wall/Ceiling		Free field		Wall/Ceiling
	AMU208	AMU208-120	AMU208	AMU208-120	AMU208	AMU208-120	AMU208	AMU208-120
Sensitivity (SPL / 1 W @ 1 m)	95 dB	94 dB	97 dB	96 dB	95 dB	94dB	97 dB	96 dB
Calculated Maximum SPL @ 1 m, Continuous	121 dB	120 dB	123 dB	122 dB	120 dB	119 dB	122 dB	121 dB
Calculated Maximum SPL @ 1 m, Peak	127 dB	126 dB	129 dB	128 dB	126 dB	125 dB	128 dB	127 dB

TRANSDUCERS

Low Frequency

2 × Bose Professional LF8 high-excursion 8-inch (203 mm) woofers with 2-inch (51 mm) voice coil

High Frequency

1 × Bose Professional EMB2S extended high-frequency compression driver with 2-inch (51 mm) voice coil

Nominal Impedance

8 Ω (transformer bypass)

PHYSICAL

Enclosure Material

Exterior-grade plywood

Finish

2-part spray polyurea coating, black or white

Grille

3-layer: perforated stainless steel, acoustic foam, stainless steel mesh, powder-coat finish

Environmental

Rated for direct-exposure outdoor installations (IP55 per EN 60529; IP33C per EN 54-24)

Certifications

EN 54-24: 2008, Loudspeaker for Voice Alarm Systems for Fire Detection and Fire Alarm Systems for Buildings. For EN 54-24 specifications, refer to the installation guide.

Connectors

1 × barrier strip. Accepts 18 AWG (0.8 mm2 ) to 10 AWG (5.3 mm2 ) size wire. Includes input cover.

Suspension / Mounting

2 × M8 threaded inserts for U-bracket; 4 × M8 threaded inserts on rear (127 mm × 70 mm, 4-bolt pattern)

Product Dimensions (Length × Width × Depth)

235 mm × 686 mm × 279 mm (9.3 in × 27.0 in × 11.0 in) with input cover

Net Weight, Single Loudspeaker

17.0 kg (37.5 lb); 19.5 kg (43.0 lb) with U-bracket

Shipping Weight

23.1 kg (51.0 lb)

Optional Accessories

AMUPOLEAT pole adapter, AMURAIL suspension rail, surface-mount pan-and-tilt bracket