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Ottocanali 8K4

Powersoft Ottoanali 8K4

The Ottocanali 8K4: extremely flexible and reliable. It offers a wide range of system control and monitoring functions as well as sound shaping options, a total of up to 8,000 W output power over 8 channels for lo-Z or distributed line systems all neatly packed into a double rack unit. As ‘stand-alone’ unit the Ottocanali 8K4 fits any venue. Excellent sound quality and ample output power stem from Powersoft’s unique approach to Class D amplification, making the Ottocanali 8K4 the ideal main system in any venue where performance is priority.

Powersoft’s legendary efficiency saves valuable energy, keeping both operational cost and ‘carbon footprint’ at a minimum: the Ottocanali 8K4 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.

Features

Legendary Powersoft efficiency

  • Green Audio Power®: minimal ‘carbon footprint’ and operational cost of electricity (Energy Star qualification pending); additional ‘Energy Save’ function
  • Compact and space saving: 2 RU, and standard depth 360 mm / 14.2”

Driving low impedance and distributed line systems

  • Mixed lo-Z/hi-Z systems possible
  • Bridged mode low impedance
  • Up to 28 different output configurations possible

Unique Powersoft technology for efficient, reliable, great sounding performance

  • Two universal switch mode power supplies with PFC (Power Factor Correction) each independently powering a set of 4 channels
  • Fixed frequency switch mode amplifier output stages
  • Patented amplifier output filters with ripple cancellation network

Maximize performances, minimize consumption

  • Patented SRM (Smart Rails Management) technology allows to maximize the efficiency of the system and drastically reduce power consumption at any load and usage condition.

Outstanding performance and operational safety

  • Excellent sonic quality by design, including amp clip limiters and patented ripple cancellation network

Practical & versatile

  • Directly driving either low impedance loads or 70 V/100 V lines
  • Capable of driving 2 loads
  • A dipswitch set for each channel allowing selection lo-Z or hi-Z (70 V or 100 V) modes, with or without HPF filters set to either 35 Hz or 70 Hz
  • A full set of auxiliary inputs for all channels granting redundancy for security purposes
  • Front panel safety cover hiding output attenuators and ‘Energy Save’ switch
  • Channel specific independent set of alarms triggered by potentially dangerous faults or generally unsafe operation conditions
  • All signal/control connectors Phoenix industry standard
  • Front-to-rear airflow cooling with variable-speed fan, temperature controlled

Full protection circuitry

  • over/under AC voltage, DC
  • troublesome signals (clipping, VHF, long-term RMS)
  • thermal
  • short circuit
  • mute at power on/off

Full four years warranty

Specification

GENERAL
Number of channels8
Mono-bridgeable per channel pair
Output power
2 Ω / ch

4 Ω / ch8 Ω / ch70/100 V ¹4-8 Ω / ch pair
16 Ω / ch pair
(all channels driven)900 W1000 W500 W1000 W1800-2000 W1000 W
Max. output voltage90 V(peak)90 V(peak)90 V(peak)100/141V(peak)180 V(peak)180 V(peak)
Max. output current23 A(peak)23 A(peak)23 A(peak)20/14 A(peak)23 A(peak)23 A(peak)


AC MAINS POWER
Power supplyUniversal, regulated switch mode with PFC (Power Factor Correction)
Operating voltage / Inrush current100-240 V ± 10%, 50/60 Hz
Power factor cos (φ)>0.95 when >500 W
Consumption / current draw@ 230 V@ 230 V@ 115 V@ 115 V
Energy Save on35 W0.20 A30 W0.26 A
Energy Save off70 W0.50 A55 W0.78 A
1/8 of max. output power @ 4 Ω1500 W6.4 A1500 W13 A


THERMAL
Environmental operating temperature0-45° C / 32-113° F
Thermal dissipationFan, continuously variable speed, temperature controlled, front to rear airflow
230 V230 V115 V115 V
Energy Save on119 BTU/h30 kcal/h102 BTU/h26 kcal/h
Energy Save off239 BTU/h60 kcal/h187 BTU/h47 kcal/h
1/8 of max. output power @ 4 Ω*5118 BTU/h1290 kcal/h5118 BTU/h1290 kcal/h


AUDIO
Gain 32 dB
Frequency response20 Hz - 20 kHz (-0.5 dB) for 1 W @ 4 Ω
Noise floor-67 dBV (20 Hz - 20 kHz, A weighted)
Crosstalk separation-67 dB @ 1 kHz (4 Ω)
Input sensitivity @ 8 Ω1.6 VRMS /+6.3 dBu
Input impedance10 kΩ balanced
THD+N / SMPTE IMD / DIM100 IMD< 0.05% from 0.1 W to full power (typically <0.02%) @ 8 Ω
Slew rate50 V/μs @ 8 Ω, input filter bypassed
Damping factor> 10000 @ 100 Hz (lo-Z)


FRONT PANEL
Indicators7 multifunction LEDs per channel: 4 x green, 2 x yellow, 1 x red
ControlsPushbutton enables 24 V DC at back PWS OUT connector (can also toggle LINE/AUX inputs). 8 output attenuators, energy save mode activation (per channel pair) DIP switch
MaintenanceDust filters foam behind frontal silver colored panels


REAR PANEL
Controls4 DIP switches for each channel (allows selction of 70 V/100 V modes, hi-Z/lo-Z modes, 35 Hz/70 Hz LPF, HPF on/off)
Input / Output connectors4 x 12 pin Phoenix MC 1.5/12-ST-3.81 1803675 / 2 x 8 pin DFK-PC 4/8-G-7.62 1861219
Fault alarm connectors2 x 12 pin Phoenix MC 1.5/12-ST-3.81 1803675
Aux command (triggering aux inputs)4 pin Phoenix MC 1.5/4-ST-3.81 1803594
Aux front switch enabling and external 24 V DC (0.2A) auxiliary supply4 pin Phoenix MC 1.5/4-ST-3.81 1803594
Aux voltage for remote on/off switching4 pin Phoenix MC 1.5/4-ST-3.81 1803594
AC mainsIEC C19/22.2 20 A,
AC mains cord with 20 A 3-pin plug 20 A for US, IEC Schuko 16 A for every other nation


CONSTRUCTION
DimensionsW 483 mm / 19”, H 89 mm / 3.5” / 2 RU, D 360 mm / 14.2”
Weight14 kg / 30.8 lb
ChassisSteel safety/dust covers; 1 mm steel front panel, side reinforcement, rear support; 1 mm steel top & bottom lid, rear panel


Powersoft reserves the right to change specifications without notice.

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