The BG-220 is a 20 W three-input mixer amplifier for background music and general announcement. It is suited for use in bars, retail stores, and banquet rooms, and is equipped with the MOH OUT that permits 2-channel broadcast when used in conjunction with the optional booster amplifier BA-235 (35 W) or BA-260 (60 W). Power Source 120 V AC, 60 Hz Rated Output 20 W Power Consumption 60 W (rated output), 36 W (based on cULus standards) Frequency Response 50 Hz - 20 kHz Total Harmonic Distortion 0.5 % or less, at 1 kHz, rated output Input Mic: -60 dB*/ Line 1: -10 dB* Mic/Line 1 selectable, 600 Ω, electronically balanced, removable terminal block Line 2, 3: -10 dB*, 10 kΩ, unbalanced, removable terminal block or RCA jack Output Speaker: 4 Ω, 25 V (31 Ω) and 70 V (245 Ω), balanced, removable terminal block MOH: 0 dB*, 600 Ω, balanced, removable terminal block Line: 0 dB*, 600 Ω, unbalanced, removable terminal block Output Regulation 2 dB or less, no load to full load (1 kHz) S/N Ratio Mic/Line 1: 60 dB or more, Line 2, 3: 80 dB or more (Band Pass: 20 Hz - 20 kHz, Tone Controls: Centered) Muting Manual mute/Automatic mute Tone Control Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz Control Mic/Line 1 gain control, Line 2 gain control, Line 3 gain control, Bass tone control, Treble tone control, MOH out gain control, Mute control (Manual mute), Mute sense control, Auto mute switch (Mic/Line 1) Mic/Line 1 selector switch, Mute receive switch (Line 2, 3), MOH assign switch (Mic/Line 1, Line 2, 3), Power ON/OFF switch Indicator Power LED, Signal LED, Peak LED Operating temperature 0 ℃ to +35 ℃ (32 ゜F to 95 ゜F) Operating Humidity 35 % to 80 %RH (no condensation) Finish Panel: ABS resin, black Case: Steel plate, black, paint Dimensions 210 (W) × 94.3 (H) × 265 (D) mm (8.27" × 3.71" × 10.43") Weight 3.5 kg (7.72 lb) Accessory Volume control cover: YA-920 ……3 Removable teminal plug (2 pins) ……3, Removable teminal plug (3 pins) ……1 Removable teminal plug (4 pins) ……1, Removable teminal plug (5 pins) ……1 Option Rack mounting bracket: MB-25B-BK, MB-25B-J
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