| Mains voltage | 
            230V AC 50 to 60 Hz, ±10% 
             | 
        
        
            Battery capacity and type 
             | 
            Valve-regulated lead-acid battery: 65Ah min. (factory default configuration),105Ah,150Ah max. 
             | 
        
        
            Battery operating voltage range 
             | 
            21.5V DC to 28.5V DC 
             | 
        
        
            Battery charger current limit 
             | 
            Configurable by battery capacity, 10A max 
             | 
        
        
            Battery source impedance 
             | 
            0.10 Ω max. 
             | 
        
        
            Battery charger start-up 
             | 
            15V DC min. battery voltage 
             | 
        
        
            Battery under voltage cut-off protection 
             | 
            20V DC 
             | 
        
        
            Battery charger temperature compensation factor 
             | 
            24mV/ºC, 36mV/°C (factory default), 48mV/°C 
             | 
        
        
            Operation modes 
             | 
            Channel Enable/Channel Disable/Power Saving Mode 
             | 
        
        
            | Output power EN54-16 (mains powered) | 
            Single channel max. 500W/100V 
             | 
        
        
            Output voltage 
             | 
            100V at 0 dBu input 
             | 
        
        
            Distortion at -3dB below rated power (resistive load) 
             | 
            < 0,06% THD at 1 kHz sine wave 
             | 
        
        
            Signal to noise ratio at rated power 
             | 
            87 dB (A - weighted) 
             | 
        
        
            Frequency response at the rated power 
             | 
            20 Hz < -1.0 dB; 22 kHz < - 2.0 dB 
             | 
        
        
            Input clipping 
             | 
            = +20 dBu 
             | 
        
        
            Input impedance (balanced) 
             | 
            >20 kΩ 
             | 
        
        
            Technology 
             | 
            Class D Direct Drive 
             | 
        
        
            Efficiency at a maximum load 
             | 
            ≥ 78 % typical (Mains powered) 
             | 
        
        
            External DC power output 
             | 
            24V DC (18V DC to 28.5V DC) / 3A max. electronically protected against overload or short-circuit 
             | 
        
        
            Ambient temperature 
             | 
            -5 °C to +55 °C 
             | 
        
        
            Storage temperature 
             | 
            -10 °C to +55 °C 
             | 
        
        
            Relative humidity 
             | 
            Up to 93 % (non-condensing) | 
        
        
            |  Air flow direction | 
             From rear to front of the amplifier unit | 
        
        
            |  Housing | 
             Metal | 
        
        
            |  Color | 
             RAL 810-M (Enclosure) | 
        
        
            |  Weight | 
             12.0 Kg | 
        
        
            |  Dimensions (w x h x d) | 
             441 x 88 x 401 mm (2 HU) | 
        
        
            |  Approval | 
             EN 54-16 and EN54-4 (Battery charger) |