แอมป์ขยายเสียงระบบประกาศ Mixer Power Amplifiers 30W ยี่ห้อ TOA รุ่น A-1803

มิกเซอร์ เครื่องขยายเสียง 2 โซน 30 วัตต์ แอมป์ขยายเสียงระบบประกาศ Mixer Power Amplifiers 30W..=ใช้งานมาครั้งเดียวครับ รายละเอียดทั้งหมด : 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