| Amplifier |
| Nominal Gain (+6 dBu input sensitivity, LEVEL 0 dB) | 24.0 dB | 27.0 dB | 33.2 dB | 36.2 dB |
| Maximum Gain (0 dBu input sensitivity, LEVEL +6 dB) | 30.0 dB | 33.0 dB | 39.2 dB | 42.2 dB |
| THD+N (1/8 rated output power, 1 kHz) | < 0.1 % |
| Crosstalk (ref. 1 kHz, 12 dB below maximum) | < -80 dB | < -85 dB | < -90 dB | < -95 dB |
| Frequency Response2 (ref. 1 kHz, analog in to speaker out, -3 dB) | HP: 30/100/150 Hz to 20 kHz LP: 30 Hz to 150 Hz | HP: 50/100/150 Hz to 20 kHz LP: 50 Hz to 150 Hz |
| Damping Factor (30/50 Hz to 1 kHz, ref. to rated impedance) | > 80 | > 160 | > 500 | > 1000 |
| Output Stage Topology | Class D, fixed frequency |
| Signal to Noise Ratio (A-weighted, ref. to rated output power, LEVEL 0 dB) | > 98 dB | > 100 dB | > 101 dB> 103 dB |
| Output Noise (A-weighted, LEVEL 0 dB) | < -68 dBu | < -67 dBu | < -62 dBu | < -61 dBu |
| Connectivity |
| Analog Audio Input |
| Type | 2 x 6-pin Euroblock, 3.81 mm, male, parallel 1x RJ45 |
| Maximum input level (LEVEL 0 dB) | +18 dBu |
| Input impedance, active balanced | 20 kO |
| Mains Input | IEC C14 |
| Loudspeaker output | 2 x 4-pin Euroblock, 5.08 mm, female |
| Control Port |
| Type | 1 x 5-pin Euroblock, 3.81 mm, male |
| REMOTE ON | Remote On / Standby contact (overrides power button on front panel) |
| READY/FAULT | Galvanic isolated relay, |
| General |
| Signal processing | Input Routing, HPF 24 dB/ Oct., LPF 24 dB/Oct., Flat, Peak Limiter |
| Power requirements | 100 V to 240 V, 50 Hz to 60 Hz AC |
| Power consumption |
| Consumption at 1/8 rated output power | 115 W |
| Idle mode (ecoRAIL with no input signal) | < 20 W |
| Standby mode (APD active) | < 1 W |
| Power supply topology | Switching power supply with power factor correction |
| Protections | Audio limiters, high temperature, DC, HF, short circuit, back-EMF, peak current limiters, inrush current limiters, mains over/under voltage protection |
| Front status | LEDs Signal, limit, fault LEDs per channel; power LED |
| Environmental |
| Climatic conditions |
| Cooling concept | Convection cooling in tabletop application and rack application with spacing between units. Forced cooling (side to rear) in rack application without spacing between units and in extreme thermal conditions. |
| Ambient temperature limits | -5 Deg C to +45 Deg C (+23 Deg F to +113 Deg F) |
| Altitude (operating) | -500 m to +5000 m (-1614 ft to 16404 ft) |
| Mechanical |
| Enclosure |
| IEC Protection Class | Class I (grounded) |
Dimensions (HxWxD) With 19” mounting brackets | 44.2 x 483 x 269.5 mm (1.74 x 19.2 x 10.6 in) |
| Weight | 3.6 kg (7.9 lb) |