Quattrocanali 1204 DSP offers the traditionally amazing sound quality and reliability of all Powersoft products. The patented SRM (Smart Rails Management) technology allows to maximize the efficiency of the system and drastically reduce power consumption in any load and usage condition. Quattrocanali features the lowest thermal dissipation in the industry, reducing the need for external cooling devices.
Quattrocanali is designed to operate with Lo-Z (from 2 Ω) and 70V/100V distributed lines or any mix of the two. DSP versions of the Quattrocanali grant in-depth control and monitoring via ArmoníaPlus, tailoring the sound and managing the system can be done by a remote, decentralised location. This Amplifier Platform can also be trusted in mission-critical applications, such as fire alarm systems, thanks to the cleverly engineered power supply that allows reliable operation even when connected to a UPS.
Technical Specifications
Power Supply
Feature
Details
Patented Output Filter
Ripple cancellation network for improved performance
Low Inrush Limiting
Reduces AC inrush current, eliminating the need for expensive power sequencers
Detachable AC Mains Cable
IEC C19/22.2 (16A for EU, 20A for USA) socket for easy connection
Protections
Protection Type
Details
AC Protection
Shuts down power supply when AC mains voltage is outside operating range
Clip Limiter
Prevents severely clipped waveforms while maintaining full peak power output
DC Protection
Protects against infrasonic signal at the outputs
VHF Protection
Protects loudspeakers from strong, non-musical high-frequency signals
Short Circuit Protection
Automatic reset in case of short circuit
Long Term Limiter
Reduces output under sustained RMS (non-audio) signals
Thermal Protection
Protects output stages up to 80°C (176°F)
Temperature-Controlled Fan
Front-to-back airflow with variable speed fan
Temp Forecast with LCD
Tracks thermal behavior for proactive thermal management
General Features
Feature
Details
Switch-Mode Output Stage
Fixed frequency for high-grade sound accuracy
Compact Size
1RU form factor
Light Weight
7 kg / 15.4 lbs for easy handling
Standard Phoenix Connectors
Analog audio outputs, aux supply, alarms, and GPIO
Remotely Switchable Inputs
Main and AUX inputs per channel with remote switching
Settings
Setting Feature
Details
Clip Limiters
Built-in, defeatable per channel
Digital Gain-Attenuator Control
Precision control over output levels
Gate Selection
Defeatable per channel
User Selectable Gain/Sensitivity
Per-channel gain and sensitivity control
User Selectable Max Output Power
Per-channel output limit
User Selectable Max Mains Current
Adjustable maximum current draw from mains
Lockable Setup
User-selectable access key for secure configuration
RS-485 Interface
For remote control, diagnostics, and monitoring
Digital Signal Processing
Feature
Details
TI C6000 DSP Platform
High-performance DSP platform
AD/DA Converter
Dual 24-bit @ 48 kHz Tandem® architecture
Independent EQ per Channel
PEQ, raised cosine, shelving IIR, custom output FIR
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