Features & Applications
Features
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Applications
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Detailed Description Quattrocanali 2404 DSP
Quattrocanali 2404 DSP is a 4-channel Class D installation amplifier in the Quattrocanali range from Powersoft. It combines onboard loudspeaker processing with low-impedance and 70 V / 100 V line operation in a single 1U chassis. Its nominal total output is 2400 W, with individual channel ratings determined by the selected load and operating configuration.
This version provides 4 analog inputs. ArmoníaPlus handles configuration, monitoring and system management over Ethernet. The amplifier supports bridgeable channel pairs and Power Sharing, allowing available power to be allocated to unequal loudspeaker loads. The symmetrical and asymmetrical figures in the specifications have different measurement conditions and should be read separately.
The onboard DSP includes raised-cosine, parametric IIR and custom FIR equalization, loudspeaker crossovers and up to 2 seconds of input delay. TruePower, RMS voltage, RMS current and peak limiters provide complementary protection tools. Active DampingControl compensates for loudspeaker-cable losses, while LiveImpedance supports load monitoring.
A universal regulated power supply with Power Factor Correction and Smart Rails Management supports worldwide mains operation. The combination of mixed Lo-Z / Hi-Z loads, DSP and network control suits distributed sound, main loudspeakers and subwoofers in installed systems. Typical manufacturer applications include theatres, houses of worship, hospitality, convention spaces and other multi-zone venues.
Manufacturer documents: Quattrocanali 2404 DSP Datasheet · Quattrocanali User Guide
Product Images Quattrocanali 2404 DSP
Technical Specifications Quattrocanali 2404 DSP
Amplifier |
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| TYPE | 4-channel Class D installation amplifier with DSP |
| OUTPUT CHANNELS | 4; bridgeable channel pairs; Lo-Z and 70 V / 100 V Hi-Z operation |
| NOMINAL TOTAL OUTPUT | 2400 W (manufacturer model rating) |
| SYMMETRICAL POWER / CHANNEL, 8 Ω | 600 W |
| SYMMETRICAL POWER / CHANNEL, 4 Ω | 600 W |
| SYMMETRICAL POWER / CHANNEL, 2 Ω | 800 W |
| BRIDGE POWER / PAIR, 4 Ω | 1600 W |
| BRIDGE POWER / PAIR, 8 Ω | 1200 W |
| SYMMETRICAL POWER / CHANNEL, 100 V | 600 W |
| SYMMETRICAL POWER / CHANNEL, 70 V | 600 W |
| ASYMMETRICAL POWER / CHANNEL, 8 Ω | 1300 W |
| ASYMMETRICAL POWER / CHANNEL, 4 Ω | 1700 W |
| ASYMMETRICAL POWER / CHANNEL, 2 Ω | 1600 W |
| ASYMMETRICAL POWER / CHANNEL, 100 V | 1500 W |
| ASYMMETRICAL POWER / CHANNEL, 70 V | 1700 W |
| POWER MEASUREMENT CONDITIONS | Symmetrical: all channels driven with the same burst power. Asymmetrical: maximum Power Sharing capacity per channel; the listed maxima are not a simultaneous continuous total. |
| MAXIMUM OUTPUT VOLTAGE | 100 Vpeak at 8 Ω |
| MAXIMUM OUTPUT CURRENT | 45 Apeak |
Audio performance |
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| INPUT SENSITIVITY AT 8 Ω / 26 DB GAIN | 3.54 Vrms |
| INPUT SENSITIVITY AT 8 Ω / 29 DB GAIN | 2.51 Vrms |
| INPUT SENSITIVITY AT 8 Ω / 32 DB GAIN | 1.78 Vrms |
| INPUT SENSITIVITY AT 8 Ω / 35 DB GAIN | 1.26 Vrms |
| SIGNAL-TO-NOISE RATIO | Typical 108 dB(A), 20 Hz–20 kHz at 8 Ω |
| MAXIMUM INPUT LEVEL | 20 dBu |
| FREQUENCY RESPONSE | 20 Hz–20 kHz, ±1 dB; 1 W at 8 Ω |
| CROSSTALK | Typical −70 dB at 1 kHz |
| INPUT IMPEDANCE | 20 kΩ, balanced |
| THD+N | <0.1%; typical <0.05%, from 0.1 W to half power |
| SMPTE IMD | <0.1%; typical <0.05%, from 0.1 W to half power |
| SLEW RATE | >50 V/µs at 8 Ω, input filter bypassed |
| OUTPUT IMPEDANCE | 26 mΩ at 100 Hz |
DSP |
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| A/D CONVERTERS | 24-bit / 48 kHz Tandem; typical 125 dB(A) dynamic range; 0.005% THD+N |
| D/A CONVERTERS | 24-bit Tandem / 48 kHz; 117 dB(A) dynamic range; 0.003% THD+N |
| SAMPLE RATE CONVERTER | 24-bit; 44.1–96 kHz; 140 dB dynamic range; 0.0001% THD+N |
| INTERNAL PRECISION | 32-bit floating point |
| LATENCY | 2.5 ms fixed |
| AMPLIFIER SNAPSHOTS | 49; virtually unlimited speaker presets |
| INPUT DELAY | Up to 2 s |
| OUTPUT DELAY | Up to 100 ms per output |
| EQUALIZATION | Raised-cosine, custom FIR and parametric IIR: peaking, high/low shelving, all-pass, band-pass, band-stop and high/low-pass |
| CROSSOVERS | Linear-phase FIR; Butterworth, Linkwitz–Riley and Bessel IIR, 6–48 dB/oct |
| LIMITERS | TruePower, RMS voltage, RMS current and peak |
| DAMPING CONTROL | Active DampingControl |
| LOAD MONITORING | LiveImpedance |
Connections and control |
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| ANALOG INPUTS | 4; Phoenix MC 1,5/12-ST-3,81 |
| NETWORK AUDIO | 4 analog inputs; no network-audio input specified for this DSP version |
| SPEAKER OUTPUTS | Phoenix PC 5/8-STF1-7,62 |
| CONTROL NETWORK | Fast Ethernet, IEEE 802.3u; 100 Mbit/s, auto-sensing; star topology |
| CONTROL SOFTWARE | ArmoníaPlus |
Power supply and thermal |
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| POWER SUPPLY | Universal regulated switch-mode supply; PFC and Smart Rails Management |
| NOMINAL MAINS | 100–240 V AC ±10%, 50–60 Hz |
| OPERATING MAINS RANGE | 90–264 V AC |
| MAINS INLET | IEC C20; regional power cord, maximum 20 A |
| 115 V IDLE POWER | 31.1 W |
| 115 V IDLE CURRENT | 0.45 A |
| 115 V IDLE DISSIPATION | 106 BTU/h |
| 115 V, 1/8 POWER AT 4 Ω: CONSUMPTION | 405 W |
| 115 V, 1/8 POWER AT 4 Ω: CURRENT | 3.7 A |
| 115 V, 1/8 POWER AT 4 Ω: DISSIPATION | 360 BTU/h |
| 230 V IDLE POWER | 31.5 W |
| 230 V IDLE CURRENT | 0.25 A |
| 230 V IDLE DISSIPATION | 107 BTU/h |
| 230 V, 1/8 POWER AT 4 Ω: CONSUMPTION | 405 W |
| 230 V, 1/8 POWER AT 4 Ω: CURRENT | 2.1 A |
| 230 V, 1/8 POWER AT 4 Ω: DISSIPATION | 360 BTU/h |
Construction |
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| DIMENSIONS (W × H × D) | 483 × 44.5 × 358 mm |
| RACK FORMAT | 1U |
| WEIGHT | 7 kg |
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