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Powersoft Quattrocanali 8804 DSP+D - 4-Channel Install Power Amplifier with DSP and Dante
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Description
Quattrocanali 8804 offers the traditionally amazing sound quality and reliability of all Powersoft products.
The patented SRM (Smart Rails Management) technology allows to maximize the efficiency of the system and drastically reduce power consumption in any load and usage condition. Quattrocanali features the lowest thermal dissipation in the industry, reducing the need for external cooling devices.
Quattrocanali is designed to operate with Lo-Z (from 2 Ω) and 70V/100V distributed lines or any mix of the two. DSP+D versions of the Quattrocanali grant in-depth control and monitoring via ArmoníaPlus, tailoring the sound and managing the system can be done by a remote, decentralized location.
This Amplifier Platform can also be trusted in mission-critical applications, such as fire alarm systems, thanks to the cleverly engineered power supply that allows reliable operation even when connected to a UPS.
MyPowersoft services are available for this product.
Features:
Power supply
- Patented output filter with ripple cancellation network
- Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
- Detachable AC mains cable with IEC C19/22.2 (16A for EU, 20 A for USA) socket
Protections
Fully protected circuit design with:- Ac protection: shut down power supply when AC mains voltage is outside operating range
- Clip limiter: prevents severely clipped waveforms from reaching loudspeakers, while still maintaining full peak power output
- DC protection: protects against infrasonic signal at the outputs
- VHF protections: protects the loudspeakers against non audible, strong, non musical high frequency signals
- Short circuit protection: protects the amplifier from short circuit or other stressful events for the output circuits with automatic protection reset
- Long term limiter: protects the loudspeaker against steady long term RMS (non audio) signals, by reducing maximum output
- Thermal protection: output stages operating temperature up to 80 °C (176 °F)
- Temperature controlled continuous variable speed fan, front to back airflow
- Temperature forecast with LCD traced historical behavior
General
- Fixed frequency switch-mode output stage for high grade sound accuracy
- Compact size - all models only 1 RU for reduced rack cost and space
- Light weight - for easier racking and shipping: 7 kg (15.4 lbs)
- Standard Phoenix connectors: analog audio outputs, aux supply, alarms and GPIO
- Remotely switchable double input (main and aux) per channel
Settings
- Built-in defeatable clip limiters for each channel
- Digital gain-attenuator control
- Defeatable gate selection for each channel
- User selectable gain/sensitivity
- User selectable maximum output power for each channel
- User selectable maximum mains current draw
- Lockable set-up by user selectable access key code
- Built in remote control via the RS-485 interface provides full diagnostic, operational setting and system monitoring
Digital Signal Processing
- TI C6000 DSP platform
- AD/DA converter: dual 24bit @ 48 kHz Tandem® architecture
- Input/output independent equalizers per channel providing PEQ, raised cosine, shelving IIR filters as well as custom output FIR filters
- Delay up to 100 ms for time alignment
- Active DampingControl™ for cable compensation
- Peak, RMS voltage, RMS current, TruePower™ limiters
Remote Control and Monitoring
Via Software:- Control and diagnostics monitoring via ArmoniaPlus
- Dedicated WebApp
- Attenuation (from 0dB to 26dB)
- High-pass filters (35Hz, 70Hz)
- Lo-Z/Hi-Z/70V/100V output selection
- Adjustable gain (from 26dB to 35 dB)
| Channel Handling | |
| Number of output channels | 4 Hi-Z or Lo-Z (bridgeable per ch. pair) Phoenix PC 5/8-STF1-7,62 |
| Number of input channels | 4 Analog Phoenix MC 1,5/12-ST-3,81 4 Dante 1 x RJ45 |
| Audio | |
| Input sensitivity @ 8 ½, 26 dB Gain | 5.72 Vrms |
| Input sensitivity @ 8 ½, 29 dB Gain | 4.06 Vrms |
| Input sensitivity @ 8 ½, 32 dB Gain | 2.86 Vrms |
| Input sensitivity @ 8 ½, 35 dB Gain | 2.03 Vrms |
| S/N (20 Hz - 20 kHz @ 8 ½) | >112 dB (A) |
| Max input level | 20 dBu |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB, 1 W @ 8 ½ |
| Crosstalk (1 kHz) | typical -70 dB |
| Input impedance | 20 k½ balanced |
| THD+N (from 0.1 W to Full Power) | < 0.1% (typical < 0.05%) |
| DIM (from 0.1 W to Full Power) | < 0.05% |
| Slew Rate | > 50 V/µs @ 8 ½, input filter bypassed |
| Output impedance at 100 Hz | 26 m½ |
| DSP | |
| AD converters | 24 Bit Tandemª @ 48 kHz 125 dB-A Dynamic Range - 0.005 % THD+N |
| DA converters | 24 Bit Tandemª @ 48 kHz 117 dB-A Dynamic Range - 0.003 % THD+N |
| Sample rate converter | 24 Bit @ 44.1 kHz to 192 kHz 140 dB Dynamic Range - 0.0001 % THD+N |
| Internal precision | 32 bit floating point |
| Latency | 2.5 ms fixed latency architecture |
| Memory/Presets | 49 amplifier snapshots, virtually unlimited speaker presets |
| Delay | 2 s (input) + 100 ms (output) for time alignment |
| Equalizer | Raised-cosine, custom FIR, parametric IIR: peaking, hi/lo-shelving, all-pass, band-pass, band-stop, hi/lo-pass |
| Crossover | linear phase (FIR), Butterworth, Linkwitz-Riley, Bessel: 6 dB/oct to 48 dB/oct (IIR) |
| Limiters | TruePowerª, RMS voltage, RMS current, Peak limiter |
| Damping control | Active DampingControlª and LiveImpedanceª measurement |
| Networking | |
| Standards compliance | auto-sensing Fast Ethernet (IEEE 802.3u, 100 Mbit/s) |
| Supported topologies | Star |
| Remote interface | Armon’aPlusª |
| Output Stage | |
| Maximum output power per channel @ 8 ½, symmetrical | 1600 W |
| Maximum output power per channel @ 4 ½, symmetrical | 2400 W |
| Maximum output power per channel @ 2 ½, symmetrical | 1800 W |
| Maximum output power @ 4 ½ Bridged, symmetrical | 3600 W |
| Maximum output power @ 8 ½ Bridged, symmetrical | 4800 W |
| Maximum output power @ Hi-Z distributed line 100 V, symmetrical | 2000 W |
| Maximum output power @ Hi-Z distributed line 70 V, symmetrical | 2000 W |
| Maximum output power per channel @ 8 ½, asymmetrical | 1800 W |
| Maximum output power per channel @ 4 ½, asymmetrical | 3500 W |
| Maximum output power per channel @ 2 ½, asymmetrical | 1800 W |
| Maximum output power @ Hi-Z distributed line 100 V, asymmetrical | 3000 W |
| Maximum output power @ Hi-Z distributed line 70 V, asymmetrical | 2100 W |
| Maximum unclipped output voltage @ 8 ½ | 175 V peak |
| Maximum output current | 55 A peak |
| Power / Thermal | |
| Idle | Power: 31.1 W Current Draw: 0.45 A rms Thermal Loss: 106 BTU/h |
| 1/8 Power @ 4 Ohm | Power: 1702 W Current Draw: 15.6 A rms Thermal Loss: 1713 BTU/h |
| Power supply | Universal regulated switch mode with PFC, SRM |
| Nominal voltage (±10%) | 100-240 V @ 50-60Hz |
| Operating Voltage | 60-264 V (with reduced power below 90 V) |
| AC Mains connector | IEC C20 inlet (20 A max), region-specific power cord provided |
| Construction | |
| Dimensions | 483 x 44.5 x 358 mm 19.0 x 1.75 x 14.1 in |
| Weight | 6.8 Kg (15 lb) |
Quattrocanali 8804 offers the traditionally amazing sound quality and reliability of all Powersoft products.
The patented SRM (Smart Rails Management) technology allows to maximize the efficiency of the system and drastically reduce power consumption in any load and usage condition. Quattrocanali features the lowest thermal dissipation in the industry, reducing the need for external cooling devices.
Quattrocanali is designed to operate with Lo-Z (from 2 Ω) and 70V/100V distributed lines or any mix of the two. DSP+D versions of the Quattrocanali grant in-depth control and monitoring via ArmoníaPlus, tailoring the sound and managing the system can be done by a remote, decentralized location.
This Amplifier Platform can also be trusted in mission-critical applications, such as fire alarm systems, thanks to the cleverly engineered power supply that allows reliable operation even when connected to a UPS.
MyPowersoft services are available for this product.
Features:
Power supply
- Patented output filter with ripple cancellation network
- Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
- Detachable AC mains cable with IEC C19/22.2 (16A for EU, 20 A for USA) socket
Protections
Fully protected circuit design with:- Ac protection: shut down power supply when AC mains voltage is outside operating range
- Clip limiter: prevents severely clipped waveforms from reaching loudspeakers, while still maintaining full peak power output
- DC protection: protects against infrasonic signal at the outputs
- VHF protections: protects the loudspeakers against non audible, strong, non musical high frequency signals
- Short circuit protection: protects the amplifier from short circuit or other stressful events for the output circuits with automatic protection reset
- Long term limiter: protects the loudspeaker against steady long term RMS (non audio) signals, by reducing maximum output
- Thermal protection: output stages operating temperature up to 80 °C (176 °F)
- Temperature controlled continuous variable speed fan, front to back airflow
- Temperature forecast with LCD traced historical behavior
General
- Fixed frequency switch-mode output stage for high grade sound accuracy
- Compact size - all models only 1 RU for reduced rack cost and space
- Light weight - for easier racking and shipping: 7 kg (15.4 lbs)
- Standard Phoenix connectors: analog audio outputs, aux supply, alarms and GPIO
- Remotely switchable double input (main and aux) per channel
Settings
- Built-in defeatable clip limiters for each channel
- Digital gain-attenuator control
- Defeatable gate selection for each channel
- User selectable gain/sensitivity
- User selectable maximum output power for each channel
- User selectable maximum mains current draw
- Lockable set-up by user selectable access key code
- Built in remote control via the RS-485 interface provides full diagnostic, operational setting and system monitoring
Digital Signal Processing
- TI C6000 DSP platform
- AD/DA converter: dual 24bit @ 48 kHz Tandem® architecture
- Input/output independent equalizers per channel providing PEQ, raised cosine, shelving IIR filters as well as custom output FIR filters
- Delay up to 100 ms for time alignment
- Active DampingControl™ for cable compensation
- Peak, RMS voltage, RMS current, TruePower™ limiters
Remote Control and Monitoring
Via Software:- Control and diagnostics monitoring via ArmoniaPlus
- Dedicated WebApp
- Attenuation (from 0dB to 26dB)
- High-pass filters (35Hz, 70Hz)
- Lo-Z/Hi-Z/70V/100V output selection
- Adjustable gain (from 26dB to 35 dB)
| Channel Handling | |
| Number of output channels | 4 Hi-Z or Lo-Z (bridgeable per ch. pair) Phoenix PC 5/8-STF1-7,62 |
| Number of input channels | 4 Analog Phoenix MC 1,5/12-ST-3,81 4 Dante 1 x RJ45 |
| Audio | |
| Input sensitivity @ 8 ½, 26 dB Gain | 5.72 Vrms |
| Input sensitivity @ 8 ½, 29 dB Gain | 4.06 Vrms |
| Input sensitivity @ 8 ½, 32 dB Gain | 2.86 Vrms |
| Input sensitivity @ 8 ½, 35 dB Gain | 2.03 Vrms |
| S/N (20 Hz - 20 kHz @ 8 ½) | >112 dB (A) |
| Max input level | 20 dBu |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB, 1 W @ 8 ½ |
| Crosstalk (1 kHz) | typical -70 dB |
| Input impedance | 20 k½ balanced |
| THD+N (from 0.1 W to Full Power) | < 0.1% (typical < 0.05%) |
| DIM (from 0.1 W to Full Power) | < 0.05% |
| Slew Rate | > 50 V/µs @ 8 ½, input filter bypassed |
| Output impedance at 100 Hz | 26 m½ |
| DSP | |
| AD converters | 24 Bit Tandemª @ 48 kHz 125 dB-A Dynamic Range - 0.005 % THD+N |
| DA converters | 24 Bit Tandemª @ 48 kHz 117 dB-A Dynamic Range - 0.003 % THD+N |
| Sample rate converter | 24 Bit @ 44.1 kHz to 192 kHz 140 dB Dynamic Range - 0.0001 % THD+N |
| Internal precision | 32 bit floating point |
| Latency | 2.5 ms fixed latency architecture |
| Memory/Presets | 49 amplifier snapshots, virtually unlimited speaker presets |
| Delay | 2 s (input) + 100 ms (output) for time alignment |
| Equalizer | Raised-cosine, custom FIR, parametric IIR: peaking, hi/lo-shelving, all-pass, band-pass, band-stop, hi/lo-pass |
| Crossover | linear phase (FIR), Butterworth, Linkwitz-Riley, Bessel: 6 dB/oct to 48 dB/oct (IIR) |
| Limiters | TruePowerª, RMS voltage, RMS current, Peak limiter |
| Damping control | Active DampingControlª and LiveImpedanceª measurement |
| Networking | |
| Standards compliance | auto-sensing Fast Ethernet (IEEE 802.3u, 100 Mbit/s) |
| Supported topologies | Star |
| Remote interface | Armon’aPlusª |
| Output Stage | |
| Maximum output power per channel @ 8 ½, symmetrical | 1600 W |
| Maximum output power per channel @ 4 ½, symmetrical | 2400 W |
| Maximum output power per channel @ 2 ½, symmetrical | 1800 W |
| Maximum output power @ 4 ½ Bridged, symmetrical | 3600 W |
| Maximum output power @ 8 ½ Bridged, symmetrical | 4800 W |
| Maximum output power @ Hi-Z distributed line 100 V, symmetrical | 2000 W |
| Maximum output power @ Hi-Z distributed line 70 V, symmetrical | 2000 W |
| Maximum output power per channel @ 8 ½, asymmetrical | 1800 W |
| Maximum output power per channel @ 4 ½, asymmetrical | 3500 W |
| Maximum output power per channel @ 2 ½, asymmetrical | 1800 W |
| Maximum output power @ Hi-Z distributed line 100 V, asymmetrical | 3000 W |
| Maximum output power @ Hi-Z distributed line 70 V, asymmetrical | 2100 W |
| Maximum unclipped output voltage @ 8 ½ | 175 V peak |
| Maximum output current | 55 A peak |
| Power / Thermal | |
| Idle | Power: 31.1 W Current Draw: 0.45 A rms Thermal Loss: 106 BTU/h |
| 1/8 Power @ 4 Ohm | Power: 1702 W Current Draw: 15.6 A rms Thermal Loss: 1713 BTU/h |
| Power supply | Universal regulated switch mode with PFC, SRM |
| Nominal voltage (±10%) | 100-240 V @ 50-60Hz |
| Operating Voltage | 60-264 V (with reduced power below 90 V) |
| AC Mains connector | IEC C20 inlet (20 A max), region-specific power cord provided |
| Construction | |
| Dimensions | 483 x 44.5 x 358 mm 19.0 x 1.75 x 14.1 in |
| Weight | 6.8 Kg (15 lb) |
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