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Amplificator Powersoft Quattrocanali 1204 DSP+DANTE

Amplificator Powersoft Quattrocanali 1204 DSP+DANTE

Tip produs: echipamente audio | echipamente dj | echipamente audio constanta
Producator: Powersoft
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Prezentare Amplificator Powersoft Quattrocanali 1204 DSP+DANTE

Crisp sounding, high end 4-channel amplifier platform

Quattrocanali 1204 offers the traditionally amazing sound quality and reliability of all Powersoft products.

The patented SRM (Smart Rails Management) technology allows to maximize the the efficiency of the system and drastically reduce power consumption at 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 work with lo-Z (from 2 Ω) and with 70V/100V distributed lines: any mixed impedance output loads may be realized.
DSP+D versions of the Quattrocanali grant in depth control and monitoring of all the signals via Armonìa, so that the sound may be tailored to suit the customer\'s needs.
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.


Power supply



Powersoft legendary universal switch mode power supply up to 400VAC tolerant with Power Factor Correction
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 reducing maximum output
Thermal protection: output stages operating temperature up to 80 °C (176 °F)
Temperature controlled continous variable speed fan, front to back airflow
Temperature forecast with LCD traced historical behaviour

General



Fixed frequency switchmode 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

Monitoring



Hardware monitor available for fast local diagnostic
Load impedance measurement for each channel
Output power measurements for each channel
Mains voltage and current measurements
Downloadable log file of functional fault events with time related trace

Digital Signal Processing*



Convertitori AD/DA dual 24 bit @ 48 kHz architettura TANDEM®
Equalizzatori input/output indipendenti con PEQ, raised cosine, filtri shelving IIR e FIR personalizzati
ActiveDampingControl™ per la compensazione delle perdite del cavo
Limitatori peak, RMS voltage, RMS current, TruePower™

Remote management



Control and monitoring through Armonía Pro Audio Suite™
Dedicated Web App


* = DSP+D version




Date tehnice:




General



Number of channels
4






Output power

Distributed line*
Bridge mode







70V
100V
4 Ω
8 Ω









300 W
300 W
800W
600W




Max output voltage / current
70 Vpeak / 33 Apeak
Vpeak
Vpeak







AC Main Power



Power supply
Universal, regulated switch mode with PFC (Power Factor Correction)


Nominal power requirement
100-240 V ±10%, 50-60 Hz


Operating voltage
90 V - 264 V


Power consuption**
115 V

230 V


Idle
31.4 W
0.40 A

31.6 W
0.28 A


1/8 of max output power @ 4 Ω
301 W
2.75 A

302 W
1.65 A


1/4 of max output power @ 4 Ω
556 W
5.47 A

553 W
3.02 A






Thermal



Operating temperature range
0° - 45° C - 32° - 113° F


Thermal dissipation**
115 V

230 V


Idle
107.2 BTU/h
27.0 kcal/h

107.9 BTU/h
27.2 kcal/h


1/8 of max output power @ 4 Ω
344.8 BTU/h
86.9 kcal/h

348.2 BTU/h
87.7 kcal/h


1/4 of max output power @ 4 Ω
532.6 BTU/h
134.2 kcal/h

522.3 BTU/h
131.6 kcal/h






AUDIO







Gain
26
29
32
35


Input sensitivity
2.45 V
1.74 V
1.22 V
0.85 V


Max input level
20 dBu
20 dBu
20 dBu
20 dBu


Gate










Frequency response
20 Hz - 20 kHz (±0.5 dB) @ 1 W, 8 Ω


S/N ratio
> 104 dB (20 Hz - 20 kHz, A weighted)


Crosstalk separation
> 70 dB @ 1kHz


THD+N
<0.1% from 0.1 W to full power (typically < 0.05%)


IMD
<0.05% from 0.1 W to full power


Input impedance
20 kΩ balanced


Slew rate
>50 V/μs @ 8Ω, input filter bypassed


Damping factor
> 500 @ 20-200 Hz






DSP



AD Converter
24 Bit Tandem™ @ 48 kHz 125 dB-A Dynamic Range - 0.005 % THD+N


DA Converter
24 Bit Tandem™ @ 48 kHz 117 dB-A Dynamic Range - 0.003 % THD+N


Internal precision
32 bit floating point


Memory/presets
128 MB (RAM) plus 512 MB fash for presets /


Latency
2.5 ms fixed latency architecture


Input 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)


Delay
2 s (input) + 100 ms (output) for time alignment


Input EQ



Output EQ



Limiters
TruePower™, RMS voltage, RMS current, Peak limiter


Damping control
Active DampingControl™ and Liveimpedance™ measurement






Front panel



Indicators and Controllers
1 x LED - Status
1 x LED - Over-temperature protection
4 x LED bar - Signal level + CLIP
1 x LED bar - Signal level and over-temperature protection
1 x Knob - Level attenuator (continuous)
4 x Push-button - Setting operating parameters
1 x Power switch -



Connectors



AC main
1 x IEC C20 connector - 20 A max (region-specific power cord provided)



Audio signal input
1 x 12 pin Phoenix MC 1.5/12-ST-3.81 - Signal input – MAIN



Alarm
1 x 12 pin Phoenix MC 1.5/12-ST-3.81 - Alarm connector
1 x 4 pin Phoenix MC 1.5/4-ST-3.81 - Alarm connector



Loudspeakers
1 x 8 pin Phoenix DFK-PC 4/8-G-7.62 - Signal output



Network/data
1 x USB plug - USB connection
1 x Rj45 socket - RS485 data connection (non-DSP version)
1 x Rj45 socket - DANTE®







Rear panel



Indicators and Controllers
1 x DIP switch - Toggle 70V/100V distributed line nominal voltage
1 x DIP switch - Toggle High Pass Filter
1 x DIP switch - Toggle 35Hz/70Hz HPF cutting frequency







Construction



Dimensions (L x H x W)
483 mm x 44.45 mm x 360 mm (19.0 in x 1.8 in x 14.2 in)


Weight
7 kg (15.4 lb)





* Data is subject to change without notice.

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