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Powersoft Advanced Tech Ottocanali 4K4
8-Channel High-Performance Power Amplifier for Lo-Z & Hi-Z/Mid to Large-Scale Installations

OUR PART #:  OTTOCANALI-4K4

A versatile, dependable 8-channel power amplifier with up to a total of 4,000 W at 4 Ohms...
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Our Price: $4,610.00

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Powersoft Advanced Tech Ottocanali 4K4
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A versatile, dependable 8-channel power amplifier with up to a total of 4,000 W at 4 Ohms, the Powersoft Ottocanali 4K4 is ideal for multi-zone applications in small to mid-scale installations. It supports any combination of lo-Z loudspeakers, mono-bridgeable channel pairs, and 70V/100V Hi-Z distributed lines, with no need for output step-up transformers. The Ottocanali 4K4 comes with switchable main/aux signal inputs and provides a wide range of system control, alarms, GPI/O, and monitoring functions, along with sound shaping options. It implements redundant universal switch mode power supplies with PFC and patented SRM (Smart Rails Management) technology which maximizes reliability, efficiency, and reduces power consumption.

Powersoft's legendary efficiency can save valuable energy, keeping both cost of operation and 'carbon footprint' at a minimum: the Ottocanali 4K4 really shines with outstandingly low power consumption and heat dissipation; This dramatically reduces costs from the AC mains supply and air conditioning/cooling systems – not to mention the benefits to the environment for a greener planet.

Applications:

  • Multi-zone venues
  • Themed entertainment, amusement parks, shopping malls
  • Cruise ships
  • Stadiums, arenas, convention centers
  • Houses of worship
  • Theaters, auditoriums, concert halls
  • Main systems, central or distributed, lo-Z/hi-Z

Powersoft Ottocanali 4K4 Features:

Power Supply

  • Redundant universal switch mode power supply up to 400VAC tolerant with Power Factor Correction (PFC)
  • 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 (16 A 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 176° F (80° C)
    • Temperature-controlled continuous variable speed fan, front-to-back airflow

General

  • Fixed frequency switchmode output stage for high grade sound accuracy
  • All models 2 RU for reduced rack cost and space
  • Light weight - for easier racking and shipping: 30.8 lbs (14 kg) 
  • Standard Phoenix connectors: analog and digital input, audio outputs, aux supply, alarms, and GPIO
  • Remotely switchable double input (main and aux) per channel

Loudspeaker System Configuration

  • Direct drive either low impedance loads or 70V / 100V Hi-Z distributed lines
  • Switchable 35Hz / 70Hz high pass filter per channel
  • Mixed configuration with Lo-Z/Hi-Z systems possible
  • Bridged mode low impedance per channel pair

Alarms and GPIO

  • General Purpose Input/Output alarm interfaces:
    • Dangerous DC in the output power signal
    • Thermal stress
  • Configurable alarm contact NC/NO per channel
  • Remote AUX input / MAIN input switch
  • Remote ON/OFF switch
  • PWS OUT connector providing up to 24VDC

Powersoft Ottocanali 4K4 Specifications:

General

  • Number of channels: 8

Output power

  • Single channel mode:
    • 2 Ohms: 450 W
    • 4 Ohms: 500 W
    • 8 Ohms: 250 W 
  • Distributed line:
    • 70V: 500 W
    • 100V: 500 W
  • Bridge mode:
    • 4 Ohms: 900W
    • 8 Ohms: 1000W
    • 16 Ohms: 500 W 
  • Max output voltage / current:
    • Single channel mode (@ 2/4/8 Ohms): 65 Vpeak/15 Apeak
    • Distributed line:
      • @ 70V: 100 Vpeak
      • @ 100V: 140 Vpeak
    • Bridge mode (@ 4/8/16 Ohms): 135 Vpeak 

AC Mains Power

  • Power supply: Redundant, universal, regulated switch mode with PFC
  • Nominal power requirement: 100-240 V ±10% @ 50-60 Hz
  • Operating voltage: 90 V - 264 V
  • Power consumption:
    • 115 V:
      • Idle: 47 W, 0.75 A
      • 1/8 of max output power @ 4 Ohms: 740 W, 6.6 A
      • 1/4 of max output power @ 4 Ohms: 1400 W, 12.4 A
    • 230 V:
      • Idle: 50 W, 0.7 A
      • 1/8 of max output power @ 4 Ohms: 750 W, 3.9 A
      • 1/4 of max output power @ 4 Ohms: 1405 W, 6.9 A

Thermal

  • Operating temperature range: 32° - 113° F (0° - 45° C)
  • Thermal dissipation:
         Fan variable speed, temperature controlled front to rear airflow
    • 115 V:
      • Idle: 160 BTU/h, 40.3 kcal/h 
      • 1/8 of max output power @ 4 Ohms: 801 BTU/h, 201.9 kcal/h
      • 1/4 of max output power @ 4 Ohms: 1340 BTU/h, 337.7 kcal/h 
    • 230 V:
      • Idle: 170 BTU/h, 42.8 kcal/h
      • 1/8 of max output power @ 4 Ohms: 839 BTU/h, 211.4 kcal/h
      • 1/4 of max output power @ 4 Ohms: 1340 BTU/h, 337.7 kcal/h

Audio

  • Gain: 32 dB
  • Input sensitivity: 1.2 V / 3.8 dBu
  • Max input level: 6 V / 17.8 dBu
  • Frequency response: 20 Hz - 20 kHz (±0.5 dB) @ 1 W, 8 Ohms
  • S/N ratio: > 107 dB (20 Hz - 20 kHz, A weighted)
  • Crosstalk separation: > 65 dB @ 1kHz
  • THD+N: < 0.08% from 0.1 W to full power (typically <0.05%)
  • IMD: < 0.8% from 1 W to full power (typically <0.05%)
  • Input impedance: 20 kOhms, balanced
  • Slew rate: > 50 V/µs @ 8 Ohms, input filter bypassed
  • Damping factor: > 10000 @ 20-100 Hz (Lo-Z)

Front panel  

  • Indicators and Controllers:
    • (8)  LED bar - Signal level and over-temperature protection
    • (1) Push-button - Toggle PWS OUT
  • Connectors:  
    • AC main: (1) IEC C20 connector - 20 A max (region-specific power cord provided)
  • Audio signal input:
    • (1) 12-pin Phoenix MC 1.5/12-ST-3.81 - Signal input – MAIN
    • (1) 12-pin Phoenix MC 1.5/12-ST-3.81 - Signal input – AUX
  • Alarm: 2 x 12-pin Phoenix MC 1.5/12-ST-3.81 - Alarm connector
  • Remote command:
    • (1) 4-pin Phoenix MC 1.5/4-ST-3.81 - Remote line/aux switch and PWS out
    • (1) 4-pin Phoenix MC 1.5/4-ST-3.81 - Remote on/off switch and aux voltage
  • Loudspeakers: 2 x 8-pin Phoenix DFK-PC 4/8-G-7.62 - Signal output

Rear panel  

  • Indicators and Controllers:
    • (8) DIP switch - Toggle lo/hi impedance connection
    • (8) DIP switch - Toggle 70V/100V distributed line nominal voltage
    • (8) DIP switch - Toggle High Pass Filter (HPF)
    • (8) DIP switch - Toggle 35Hz/70Hz HPF cutting frequency
    • (1) Power switch

Physical

  • Dimensions (LxHxW): 19.0" x 3.5" x 14.2" (483 x 89 x 360mm)
  • Weight: 30.9 lbs (14 kg)

*Note: All information, specifications, and data is subject to change without notice.

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