| General specifications |
| Output power |
1kHz (THD+N=1%: 4Ω) |
280W x 4 |
280W x 4 |
140W x 4 |
140W x 4 |
| 1kHz (THD+N=1%: 8Ω) |
280W x 4 |
280W x 4 |
140W x 4 |
140W x 4 |
| 1kHz (THD+N=1%: 4Ω / Double Power Mode) |
560W x 2 |
560W x 2 |
280W x 2 |
280W x 2 |
| 1kHz (THD+N=1%: 8Ω / Double Power Mode) |
560W x 2 |
560W x 2 |
280W x 2 |
280W x 2 |
| High impedance: 100V line |
250W x 4 / 40 Ω |
250W x 4 / 40 Ω |
125W x 4 / 80 Ω |
125W x 4 / 80 Ω |
| High impedance: 70V line |
250W x 4 / 20 Ω |
250W x 4 / 20 Ω |
125W x 4 / 40 Ω |
125W x 4 / 40 Ω |
| Voltage Gain |
RL=8Ω |
31.7dB |
31.7dB |
28.7dB |
28.7dB |
| RL=8Ω / Double Power Mode |
34.7dB |
34.7dB |
31.7dB |
31.7dB |
| 100V |
38.2dB |
38.2dB |
38.2dB |
38.2dB |
| 70V |
35.2dB |
35.2dB |
35.2dB |
35.2dB |
| Power consumption |
1/8 power (4 Ω pink noise):250W, Idle (4 Ω):37W, Standby:18.5W |
1/8 power (4 Ω pink noise):250W, Idle (4 Ω):37W, Standby:18.5W |
1/8 power (4 Ω pink noise):150W, Idle (4 Ω):37W, Standby:18.5W |
1/8 power (4 Ω pink noise):150W, Idle (4 Ω):37W, Standby:18.5W |
| Total harmonic distortion |
≤ 0.2% (1kHz, half power) |
≤ 0.2% (1kHz, half power) |
≤ 0.2% (1kHz, half power) |
≤ 0.2% (1kHz, half power) |
| Frequency response |
0dB, ±1.0dB (RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz) |
0dB, ±1.0dB (RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz) |
0dB, ±1.0dB (RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz) |
0dB, ±1.0dB (RL=8Ω, 100V/70V, Po=1W, 20Hz - 20kHz) |
| S/N ratio |
≥ 100dB(A-weighted) |
≥ 100dB(A-weighted) |
≥ 100dB(A-weighted) |
≥ 100dB(A-weighted) |
| Crosstalk |
≤ -60dB |
≤ -60dB |
≤ -60dB |
≤ -60dB |
| Input sensitivity |
+4dBu |
+4dBu |
+4dBu |
+4dBu |
| Input impedance |
20kΩ (balanced), 10k Ω (unbalanced) |
20kΩ (balanced), 10k Ω (unbalanced) |
20kΩ (balanced), 10k Ω (unbalanced) |
20kΩ (balanced), 10k Ω (unbalanced) |
| I/O Connectors |
Analog I/O |
Input: Euroblock x 2 (6P, balanced) |
Input: Euroblock x 2 (6P, balanced) |
Input: Euroblock x 2 (6P, balanced) |
Input: Euroblock x 2 (6P, balanced) |
| Digital I/O |
RJ45 x 2 (Dante PRIMARY / SECONDARY) |
RJ45 x 2 (YDIF IN / OUT) |
RJ45 x 2 (Dante PRIMARY / SECONDARY) |
RJ45 x 2 (YDIF IN / OUT) |
| Speaker Output |
Barrier strip x 4 pairs |
Barrier strip x 4 pairs |
Barrier strip x 4 pairs |
Barrier strip x 4 pairs |
| Control ports |
Remote, Fault Output : Euroblock (3P) x 1 |
Remote, Fault Output : Euroblock (3P) x 1 |
Remote, Fault Output : Euroblock (3P) x 1 |
Remote, Fault Output : Euroblock (3P) x 1 |
| Network |
Shared with Dante ports |
RJ45 x 1 |
Shared with Dante ports |
RJ45 x 1 |
| Others |
AC Inlet x 1 |
AC Inlet x 1 |
AC Inlet x 1 |
AC Inlet x 1 |
| Input Level |
+24dBu (Maximum) |
+24dBu (Maximum) |
+24dBu (Maximum) |
+24dBu (Maximum) |
| Protection circuit |
Load protection |
POWER switch on/off: Output mute, DC-fault: Power supply shuts down, Clip limiting |
POWER switch on/off: Output mute, DC-fault: Power supply shuts down, Clip limiting |
POWER switch on/off: Output mute, DC-fault: Power supply shuts down, Clip limiting |
POWER switch on/off: Output mute, DC-fault: Power supply shuts down, Clip limiting |
| Amplifier protection |
Thermal: Output mute (heatsink temp ≥90°C) (Restored automatically), Overcurrent: Output mute (Restored automatically), Low load impedance: Output mute (Restored automatically) |
Thermal: Output mute (heatsink temp ≥90°C) (Restored automatically), Overcurrent: Output mute (Restored automatically), Low load impedance: Output mute (Restored automatically) |
Thermal: Output mute (heatsink temp ≥90°C) (Restored automatically), Overcurrent: Output mute (Restored automatically), Low load impedance: Output mute (Restored automatically) |
Thermal: Output mute (heatsink temp ≥90°C) (Restored automatically), Overcurrent: Output mute (Restored automatically), Low load impedance: Output mute (Restored automatically) |
| Power supply protection |
Thermal: Amplifier shuts down automatically (heatsink temp ≥100°C) , Integrated power: Gain reduction (Restored automatically) |
Thermal: Amplifier shuts down automatically (heatsink temp ≥100°C) , Integrated power: Gain reduction (Restored automatically) |
Thermal: Amplifier shuts down automatically (heatsink temp ≥100°C) , Integrated power: Gain reduction (Restored automatically) |
Thermal: Amplifier shuts down automatically (heatsink temp ≥100°C) , Integrated power: Gain reduction (Restored automatically) |
| Cooling |
3-Speed fan x 2, front-to-back airflow |
3-Speed fan x 2, front-to-back airflow |
3-Speed fan x 2, front-to-back airflow |
3-Speed fan x 2, front-to-back airflow |
| Power requirements |
100V, 120V, 230V-240V; 50Hz/60Hz |
100V, 120V, 230V-240V; 50Hz/60Hz |
100V, 120V, 230V-240V; 50Hz/60Hz |
100V, 120V, 230V-240V; 50Hz/60Hz |
| Dimensions |
W |
480mm (18.9") |
480mm (18.9") |
480mm (18.9") |
480mm (18.9") |
| H |
88mm (3.5") |
88mm (3.5") |
88mm (3.5") |
88mm (3.5") |
| D |
422mm (16.6") |
422mm (16.6") |
422mm (16.6") |
422mm (16.6") |
| Net weight |
8.1kg (17.9lbs) |
8.1kg (17.9lbs) |
8.1kg (17.9lbs) |
8.1kg (17.9lbs) |
