Power Amplifier – Public Broadcasting Series
Overview
Compared to an analogue amplifier, the same-level Class-D amplifier is more portable, weighs 60% less and has a 40% lower energy consumption. This series also has over-temperature, over-voltage, over-current and short circuit protection, an input signal limit and an output current over-current limit.
Features
6 MIC inputs, one with a priority function
2 LINE inputs
2-band EQ
Digital effects processor
Built-in MP3 with USB, FM and Bluetooth functionalities
Outputs include an 8–16Ω output, a 70V output, a 100V output
4-zone 100V switched level output control
Balanced LINE level output
Specifications
Rated output power: 500W
2-band EQ: A 100Hz band and a 10kHz band, both with ±15dB adjustment
Frequency response: 60Hz–16kHz ±1dB
THD (1 kHz): ≤ 0.5%
S/N MIC ratio for inputs 1–6: < −108dB
S/N LINE ratio for inputs 1–2: < −88dB
MIC inputs 1–6: −50dB, 600Ω, unbalanced
LINE inputs 1–2: −10dB, 10kΩ, unbalanced
Power supply: 220–240Vac, 50–60Hz