A 1803 Power Mixer Amplifier 30W/ A-1803 ราคา 12,500 บาท

     A 1803 มิกเซอร์ เครื่องขยายเสียง 2 โซน 30 วัตต์ แอมป์ขยายเสียงระบบประกาศ          Mixer Power Amplifiers 30W A-1803 (30W): Multi-purpose, multi-function mixer/power amplifiers specifically designed for maximum versatility and cost-effective high-performance are ideal units for any PA requirement in locations such as schools and offices and other intermediate size environments. A choice of different power outputs are offered as well as functions such as paging and dual zone coverage. Specification   Power Source AC mains 50/60Hz, or 24V DC (M4 screw terminal) Output 30W Power Consumption AC operation: 80W (rated output), 37W (EN60065) 24V DC operation: 2.0A (rated output), 1.0A (EN60065) Frequency Response 50 - 20,000Hz ±3dB Distortion Under 2% at 1kHz, rated power Input MIC 1: -60dB*, 600Ω, electronically-balanced, combined type of XLR-3-31 equivalent and phone jack DIN socket (5 pins) MIC 2, 3: -60dB(*1), 600Ω, electronically-balanced, combined type of XLR-3-31 equivalent and phone jack AUX 1(MOH): -20dB*, 10kΩ, unbalanced RCA pin jack AUX 2: -20dB(*1), 10kΩ, unbalanced, RCA pin jack AUX 3: -20dB(*1), 10kΩ, unbalanced, RCA pin jack combined type of XLR-3-31 and phone jack TEL(*2): -20dB*1, 10kΩ, electronically-balanced, M3 screw terminal Output REC: 0dB(*1), 600Ω, unbalanced, RCA pin jack LINE 1,2(*3): 0dB(*1), 600Ω, unbalanced, RCA pin jack MOH: 0dB(*1), 600Ω transformer balanced, M3 screw terminal SPEAKER SELECTOR: 2 zone, high impedance (100V line/330Ω), individual selector switch, M4 screw terminal DIRECT SPEAKER OUT: High impedance (100V line/330Ω),M4 screw terminal Low impedance (4 - 16Ω), M4 screw terminal (Both Low and High impedance terminals cannot be used at the same time.) Phantom Power ON or OFF for each MIC 1 - 3 with switch setting S/N ratio (Band Pass: 20 - 20,000Hz) Over 100dB (Master volume: min) Over 76dB (Master volume: max) Over 60dB (MIC 1 - 3)) Over 76dB (AUX 1 - 3) Over 90dB (TEL) Over 96dB (EMERGENCY) Control Input Bass: ±10dB at 100Hz, Treble: ±10dB at 10kHz TEL: No-voltage make contact input, open voltage: 24V DC, short-circuit: under 5mA, M3 screw terminal EMERGENCY (*4): No-voltage make contact input, open voltage: 24V DC, short-circuit: under 10mA, M3 screw terminal Control Output Power remote: Open collector output, withstand voltage: 35V DC, control current: under 50mA, M3 screw terminal Indicator 5 point LED output level meter, Power indicator LED, Zone indicator LED, Emergency LED, TEL LED Priority EMERGENCY: Overrides other inputs TEL: Overrides other inputs except “EMERGENCY”, ON/OFF selectable with switch setting MIC 1: Overrides other inputs except “EMERGENCY & TEL”, ON/OFF selectable with switch setting