TG7300 / TG7301 / TG7302 Power Amplifier

Features and Benefits
  • Self-diagnosis function available – Autonomous operational check.
  • Automatic/manual operating modes – Flexible configuration.
  • Automatic mute for monitor speaker to prevent feedback when using a microphone for announcements – Improved audio quality.
  • Automatic volume adjustment during alarm signal, independent of volume control – Ensures consistent alert volume.
  • Automatic switch between main and backup power, fault data logging, and overheat protection – Reliability and safety.
  • Provides 24 V DC bias for local audio output line and wiring module – Powers additional devices.
  • Communication with TG7100 alert system control panel via RS485 interface – System integration.
Technical Specifications
  • Power output: 150 W / 300 W / 500 W – Three power options for different needs.
  • Main power supply: 220 V AC (187–242 V), 50 Hz – Standard mains power.
  • Standby power consumption: 220 V AC (187–242 V), 50 Hz – Energy-efficient.
  • Local address: 1–10 (binary code, unique in network) – Unique network address.
  • Input impedance: 10 kΩ – Compatible with sources.
  • Input signal level: 775 mV – Standardized signal level.
  • Stable output voltage: 120 V – Constant signal level.
  • Frequency range: 80 Hz – 8 kHz (90–145 V) – Good sound quality.
  • Total harmonic distortion: ≤ 5% – Minimal distortion.
  • Noise level: < 37 mV – Clean audio.
  • Dimensions (L×W×H): 483 × 330 × 88.5 mm – Standard rack-mount size.
  • Weight: 6.5 kg – Moderate weight.
  • Temperature range: 0°C to +40°C – Normal operating conditions.
  • Humidity: 0–95% RH, non-condensing – Moisture-resistant.