Powersoft Quattrocanali 1204

Powersoft
10.688,00 Lei

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.

Precomanda

Data de livrare: Sambata, 01.06.2024

Limita stoc
Precomanda
Cod Produs: C1247 Ai nevoie de ajutor? +40212317631
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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

* = DSP+D version

 

Number of channels 4
   
Output power Single channel mode Distributed line* Bridge mode
  2 Ω 4 Ω 8 Ω   70V 100V 4 Ω 8 Ω    
  400 W 300 W 300 W   300 W 300 W 800W 600W    
Max output voltage / current 70 Vpeak / 33 Apeak      
   
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  
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 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)
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