ALPHA GRPC 300

PC300 FEATURES: ◆ Robust and compact design ◆ Standard 2U rack size ◆ Easy to operate front / rear panel control interface ◆ Each channel provides, clip, signal and power LED indicators ◆ Volume control for each channel ◆ Electronically balanced, XLR, 1/4 jack and RCA input connectors ◆ Binding post and speakon output connectors ◆ Protectiong cuit design, DC, short, thermal and overload protection, clip limiter ◆ Variabe-speed low noise fan ensures high reliability even under demanding conditions MODEL PC300 PC500 PC900 Highed panel 2U 2U 2U 4Ω×2 150W×2 300W×2 450W×2 8Ω×2 80W×2 150W×2 230W×2 8Ω(Bridge) 300W 500W 900W Input Sensitivity Balanced: 0.89V (-1dBV); Unbalanced: 1.67V (4.5dBV) Frequency Response (at 1W) 5Hz-20KHz, +0/-1dB S/N ratio (A-Weighted, below rated power) >100dB >100dB >100dB THD (at full bandwidth power, 20Hz-20KHz) <0.03% <0.03% <0.03% Damping Factor (4Ω) >300 >300 >300 Voltage Gain 26.5dB 30dB 32dB Input Impedance 20KΩ(balanced), 10KΩ(unbalanced) Load Impedance Stereo mode: 4-8Ω per channel, Bridge mono 8Ω Protections DC protection, short-circuit protection, thermal protection, overload protection, clip limiter Connectors Input: XLR, Φ6.3 jack and RCA output: binding postand speakon Indicators Signal LED, Clip LED and Power LED Cooling Variable-speed low noise fan Power Requirements 110-120VAC/60Hz and 220-240VAC/50Hz Dimensions (W×H×D) 480×88.8×225mm 480×88.8×330mm 480×88.8×330mm Weight 8.5kg 12kg 15.8kg