OTTOCANALI 1204

1200W/8-channel Flexible Amplifier

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Overview

Exceptionally flexible and safe, the Ottocanali 1204 provides a wide range of system control and monitoring capabilities, and a total of up to 1,280 W output power over 8 amplifier channels for Lo-Z or constant voltage systems, all neatly packed into a single rack unit: Stand-alone in corporate board rooms, or along with Powersoft's Installation models in the largest setups, the Ottocanali 1204 fits any venue.

The Ottocanali 1204 offers unprecedented versatility and efficiency, also thanks to its very own set of BatFormers®. These are specifically developed, optional plug-in output transformers that can be easily installed through a dedicated lid in the amplifier chassis, and that allows the conversion of any - or all - of the 8 channels into a 70V or 100V constant voltage output.

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Features

Power supply

  • Universal 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 continous variable speed fan, front to back airflow

General

  • Fixed frequency switchmode output stage for high grade sound accuracy
  • Compact 1 RU for reduced rack cost and space
  • Light weight - for easier racking and shipping: 5-11 kg (11-24.3 lbs) depending on number of BatFormers
  • Standard Phoenix connectors: analog and digital input, audio outputs, aux supply, alarms and GPIO
  • Remotely switchable inputs (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 configuratio 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

Specifications

General
Output power per channel
Output power per channel 150 W @ 4 Ω 80 W @ 8 Ω
Bridge mode 300 W @ 8 Ω 150 W @ 16 Ω
Max output voltage / current
Max unclipped output voltage @8 Ω 37 Vpeak
Current 15 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: 8.7 W – 0.2 A 230 V: 9.3 W – 0.30 A
1/8 of max output power @ 4 Ω 115 V: 226 W – 2.02 A 230 V: 226 W – 1.26 A
1/4 of max output power @ 4 Ω 115 V: 417 W – 3.69 A 230 V: 417 W – 2.05 A
THERMAL
Operating temperature range 0° – 35° C – 32° – 95° F
Thermal dissipation*
Idle Energy save ON 115 V: 29.7 BTU/h – 7.48 kcal/h 230 V: 31.71 BTU/h – 8 kcal/h
1/8 of max output power @ 4 Ω 115 V: 255.75 BTU/h – 64.5 kcal/h 230 V: 252.34 BTU/h – 63.64 kcal/h
1/4 of max output power @ 4 Ω 115 V: 402.38 BTU/h -101.48 kcal/h 230 V: 388.74 BTU/h – 98.04 kcal/h

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