DIGITAL SYSTEM AMPLIFIER
Specifications/Technische Daten
DSA 8405
Amplifier at rated conditions, all channels driven, rated loads, unless otherwise specified.
Load Impedance |
| Low Impedance Mode |
| High Impedance Mode | ||||
2 Ω1 |
| 4 Ω2 |
| 8 Ω2 |
| 70 V / 10 Ω3 | 100 V / 20 Ω4 | |
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Maximum Midband Output Power | 500 W5 |
| 500 W |
| 250 W |
| 500 W | 500 W |
THD = 1%, 1 kHz, 4 channels driven |
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| VLD: 500 W |
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Rated Output Power | 450 W |
| 450 W |
| 225 W |
| 450 W | 450 W |
THD < 0.3%, 20 Hz6...20 kHz, 4 ch. driven |
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| VLD: 450 W |
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Maximum Bridged Output Power | - |
| 1000 W1 |
| 1000 W |
| 1000 W7 | 1000 W8 |
THD= 1%, 1 kHz |
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Maximum RMS Voltage Swing | 32 V |
| 45 V |
| 45 V |
| 70 V | 100 V |
THD = 1%, 1 kHz |
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| VLD: 63 V |
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Power Bandwidth |
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| 10 Hz...25 kHz |
| 50 Hz...25 kHz | |||
THD = 1%, ref. 1 kHz, half power @ rated load |
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Voltage Gain, ref. 1 kHz | 32 dB |
| 32 dB |
| 32 dB |
| 33 dB | 36 dB |
Input Sensitivity, rated power, 1 kHz | 0.775 V |
| 1.1 V |
| 1.1 V |
| 1.55 V | 1.55 V |
| (+0.0 dBu) |
| (+3.0 dBu) |
| (+3.0 dBu) |
| (+6.0 dBu) | (+6.0 dBu) |
THD at rated output power, MBW = 80 kHz, 1 kHz |
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| < 0.05% |
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| < 0.05% |
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DIM30, 3.15 kHz, 15 kHz |
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| < 0.02% |
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Maximum Input Level |
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| +22 dBu (9.76 Vrms) |
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Crosstalk, ref. 1 kHz, at rated output power |
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Frequency Response, ref. 1 kHz, 8 Ω load |
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| 15 Hz6...30 kHz (±1 dB) |
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Input Impedance, active balanced |
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| 20 kΩ |
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Damping Factor, 1 kHz, 8 Ω |
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| > 240 |
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Slew Rate |
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| 28 V/μs |
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Signal to Noise Ratio Amplifier, | 98 dB |
| 100 dB |
| 100 dB |
| 104 dB | 106 dB |
Output Noise, | < |
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Output Stage Topology |
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| Class D |
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Power Requirements (factory configured) | ||||||||
Power Consumption, 1/8 maximum output power |
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| 490 W |
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Protection | Audio Limiters, High Temperature, DC, HF, Short Circuit, Peak Current Limiters, Inrush | |||||||
| Current Limiters, | |||||||
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| voltage Protection |
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Cooling |
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Ambient Temperatur Limits |
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| +5 °C...+40 °C (40 °F...105 °F) |
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Safety Class |
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| I |
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Dimensions (W x H x D), mm |
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| 481 x 88.0 x 42110 |
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Weight |
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| 11.1 kg (24.3 lbs) |
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Optional: |
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| D113223 |
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1 Output Mode 2 Ω (500 W at 2 Ω, 250 W at 4 Ω, 125 W at 8 Ω)
2 Output Mode 4 Ω (500 W at 4 Ω, 250 W at 8 Ω)
3 Output Mode 70 V
4 Output Mode 100 V
5 Depending on the ambient temperature, the unit might reduce the output power at 2 Ω load 6 50 Hz High Pass is automatically activated in 70 V / 100 V output mode
7 140 V at 20 Ω
8 200 V at 40 Ω
9 Due to the mains voltage situation in Japan the values for the maximum output power can be decreased by 15% 10 Depth of the unit without rack ears (detachable): 380 mm
