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Powersoft Ottocanali 12K4 - 8-Channel Install Power Amplifier

 
  • Dale #:

    POWS-OTTOCANALI12K4
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Description

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 distri... Read More

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Description

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 and 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.

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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

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Product Specs

Channel Handling
Number of output channels 8 Hi-Z or Lo-Z (bridgeable per ch. pair)
2x 8 Pin Phoenix DFK-PC 4/8-G-7.62
Number of input channels 8 Main Line, 12 Pin Phoenix, MC 1.5/12-ST-3.81
8 AUX, 12 Pin Phoenix, MC 1.5/12-ST-3.81
Audio
Gain 32 dB
Input sensitivity @ 8 Ω, 26 dB Gain 1.94 V/ +8 dB
S/N (20 Hz - 20 kHz @ 8 Ω) >106 dB (A)
Max input level 6V / +17.8 dBu
Frequency Response ( ±0.5 dB , 1 W @ 8 Ω) 20 Hz - 20 kHz
Crosstalk (1 kHz) -65 dB
Input impedance 20 kΩ balanced
THD+N (from 0.1 W to Full Power) < 0.08% (typical < 0.05%)
DIM (from 0.1 W to Full Power) < 0.8%
Slew Rate (input filter bypassed @ 8 Ω) > 50 V/µs
Damping Factor @ 8 Ω, 20 Hz - 100 Hz > 1000
Networking
Standards compliance auto-sensing Fast Ethernet (IEEE 802.3u, 100 Mbit/s)
Supported topologies Star
Remote interface ArmoníaPlus™
Output Stage
Maximum output power per channel @ 8 Ω 850 W
Maximum output power per channel @ 4 Ω 1500 W
Maximum output power per channel @ 2 Ω 1000 W
Maximum output power @ 4 Ω Bridged, channel pair 3000 W
Maximum output power @ 8 Ω Bridged, channel pair 2000 W
Maximum output power @ Hi-Z distributed line 100 V 1500 W
Maximum output power @ Hi-Z distributed line 70 V 1500 W
Maximum unclipped output voltage @ 8 Ω 116.6 V peak
Maximum output current 45 A peak
Power / Thermal
Idle Power: 47 W
Current Draw: 0.75 A rms
1/8 Power @ 4 Ohm Power: 2075 W
Current Draw: 18.5 A rms
Power supply Redundant Universal, regulated switch mode with PFC (Power Factor Correction)
Power factor (> 500 W ouput) > 0.95
Operating Voltage 60-264 V (with reduced power below 90 V)
AC Mains connector IEC C20 inlet (20 A max), region-specific power cord provided
Thermal
Operating temperature 0° - 35° C / 32° - 95° F
Cooling Fan, variable speed, temperature controlled, front to rear airflow
Thermal dissipation @ 115 V Idle: 160 BTU/h, 41 kcal/h
1/8 Max Output Power @ 4 Ω: 2141 BTU/h, 540 kcal/h
1/4 Max Output Power @ 4 Ω: 4283 BTU/h, 1080 kcal/h
Construction
Dimensions 483 x 89 x 360 mm
19.0 x 3.5 x 14.2 in
Weight 14 Kg (30.8 lb)

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