TOA A-3512D ดิจิตอล มิกเซอร์แอมป์ 120 วัตต์ สามารถเลือกโซนได้ 2 แชนแนล 
The A-3500D series is a PA amplifier with emergency and priority paging, remote zone control. It is equipped with 4 microphone inputs and 1 auxiliary input and 2-channel zone selector, ideal for paging announcement and BGM applications in schools, offices and supermarkets. 
    
        
            | Power Source | 
            100 - 240 V AC, 50/60Hz | 
         
        
            | Rated Output | 
            120 W | 
         
        
            | Power/Current Consumption | 
            171 W (Rated output), 48 W (based on EN62368),  
            200 mA or less (when power switch is OFF) | 
         
        
            | Frequency Response | 
            50 Hz - 20 kHz ±3 dB (1/8 rated output) | 
         
        
            | Distortion | 
            1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025)) | 
         
        
            | Tone Control | 
            Bass: ±10 dB at 100 Hz 
            Treble: ±10 dB at 10 kHz | 
         
        
            | S/N Ratio | 
            88 dB or more (Master volume: min.) 
            76 dB or more (Master volume: max.) 
            55 dB or more (INPUT 1 - 6) 
            72 dB or more (INPUT 7) 
            (A-weighted) | 
         
        
            | Audio Input | 
            INPUT 1, 2: -60 dB(*1)(MIC) / -20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (5 pins)/ø 6.3 mm phone jack (2P) 
            Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable) 
            INPUT 3: -60 dB(*1), 600 Ω, electronically-balanced, ø 6.3 mm phone jack (2P) 
            INPUT 4: -60 dB(*1)(MIC) / -20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, ø 6.3 mm phone jack (2P) 
            INPUT 5: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2 
            PWR AMP IN: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack | 
         
        
            | Audio Output | 
            Speaker out: Low impedance (4 - 16 Ω) /  
                                High impedance (DIRECT, ZONE 1, ZONE 2: 100 V / total 83 Ω), removable terminal block (6 pins) 
                                (ZONE 1 / ZONE 2 is selectable, max. 120 W per output) 
            Rec out: 0 dB(*1), 600 Ω, unbalanced, RCA pin jack 
            Line out 1, 2: 0 dB (*1) , 600 Ω, unbalanced, RCA pin jack (Interlock with zone selection is possible) | 
         
        
            | Control Input | 
            2 channels. no-voltage make contact input, open voltage: 35 V DC or less,  
            Short circuit current: 10 mA or less, removable terminal block (5 pins) 
            ZONE CONTROL IN: No-voltage make contact input, even voltage: 35 V DC or less,  
            short-circuit current: 10 mA or less, removable terminal block (4 pins) | 
         
        
            | Control Output | 
            POWER REMOTE OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) 
            EMERGENCY OUT: Open collector output, withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) 
            ZONE CONROL OUT: Open collector output (polarized), withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) | 
         
        
            | Indicator | 
            5-point LED output level meter, Power LED, Priority LED, Emergency LED, Thermal protection LED, Over current protection indicator LED, Zone 1 LED, Zone 2 LED | 
         
        
            | Operating Temperature | 
            -10°C to +40°C | 
         
        
            | Operating Humidity | 
            85 %RH or less (no condensation) | 
         
        
            | Finish | 
            Panel: ABS resin, black 
            Case: Surface-treated steel plate, black, paint | 
         
        
            | Dimensions | 
            420 (W) × 96.1 (H) × 313.1 (D) mm | 
         
        
            | Weight | 
            4.9 kg  | 
         
        
            | Accessory | 
            Power Cord (2 m) x 1, Audio Input Removavble Terminal Plug (3.81 mm, 5 pins) x 2, Control I/O Removable Terminal Plug (3.81 mm, 4 pins) x 2, Remote Control Removable Terminal Plug (3.5 mm, 4 pins) x 1, Speaker Out Removable Terminal Plug (5 mm, 6 pins) x 1, Volume Control Cover x 4 | 
         
        
            | Option | 
            Rack mounting bracket: MB-25B 
            Perforated panel: PF-013B | 
         
    
  
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