OTTOCANALI 12K4

12000W/8-channel Flexible Amplifier

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Overview

The Ottocanali 12K4 is a flexible and reliable 8-channel power amplifier with up to a total of 12,000 W at 4Ω, ideal for multi-zone applications in medium to large-scale installs: Ottocanali 12K4 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 12K4 features switchable main/aux signal inputs and offers a wide range of system control, alarms, GPI/O and monitoring functions as well as sound shaping options.

The Ottocanali 12K4 implements switch mode power supplies with PFC and patented SRM (Smart Rails Management) technology maximizing reliability & efficiency and reducing power consumption.

Powersoft’s legendary efficiency saves valuable energy, keeping both operational cost and ‘carbon footprint’ at a minimum: the Ottocanali 12K4 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.

MyPowersoft services are available for this product.

Features

Power supply

  • Switch mode power supply up to 400VAC tolerant with Power Factor Correction
  • 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

General

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

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, with low impedance, per channel pair

Alarms and GPIO

  • NC/NO contacts per channel for alarm notifications
  • Remote ON/OFF switch
  • Remote AUX / MAIN inputs switch
  • PWS OUT connector providing 24VDC

Specifications

General
Output power per Channel
Output power per Channel 1000 W @ 2 Ω 1500 W @ 4 Ω 850 W @ 8 Ω
Bridge mode 2000 W @ 4 Ω 3000 W @ 8 Ω
Max output voltage / current
Max unclipped voltage @8 Ω 116.6 Vpeak
Current 45 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 consumption/current draw
Idle 115 V: 47 W – 0.75 A 230 V: 50 W – 0.7 A
1/8 of max output power @ 4 Ω 115 V: 2075 W – 18.5 A 230 V: 2115 W – 9.7 A
THERMAL
Operating temperature range 0° – 35° C – 32° – 95° F
Thermal dissipation*
Idle 115 V: 160 BTU/h – 41 kcal/h 230 V: 170 BTU/h – 43 kcal/h
1/8 of max output power @ 4 Ω 115 V: 2141 BTU/h – 540 kcal/h 230 V: 1937 BTU/h – 488 kcal/h
1/4 of max output power @ 4 Ω 115 V: 4283 BTU/h – 1080 kcal/h 230 V: 3874 BTU/h – 977 kcal/h

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