Amplificator Duecanali 4804 DSP+D
Tip produs: echipamente audio | echipamente dj | echipamente audio constantaProducator: Powersoft Audio
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Prezentare Amplificator Duecanali 4804 DSP+D
This amplifier platform is ideal for medium to large sized installations that require high power outputs to drive subs and multiple speakers. Duecanali 4808 DSP+D offers Powersoft’s renowned reliability and power density in a light, compact unit.
Built in state of the art DSP, in conjunction with Dante, allows flexibility during installation and extensive controllability.
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
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 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: 7 kg (15.4 lbs)
Standard Phoenix connectors: analog and digital input, audio outputs, alarms and GPIO
Remotely dimmable inputs 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 configuration with Lo-Z/Hi-Z systems possible
Bridged mode low impedance per channel pair
Alarms and GPI/O
General Purpose Input/Output alarm interfaces:
dangerous DC in the output power signal
thermal stress
Configurable alarm contact NC/NO per channel
Remote ON/OFF switch
Digital Signal Processing
TI C6000 DSP platform
AD/DA converter: dual 24bit @ 48 kHz Tandem® architecture
Input/output independent equalizers per channel providing PEQ, raised cosine, shelving IIR filters as well as custom output FIR filters
Delay up to 100 ms for time alignment
Active DampingControl™ for cable compensation
Peak, RMS voltage, RMS current, TruePower™ limiters
Remote management
Control and monitoring through Armonía Pro Audio Suite™
Dedicated Web App
Remote Control & Monitoring
Via Software:
Attenuation (from 0 dB to 26 dB)
Max output voltage
Output and gain reduction metering
Diagnostics (temperature, fans, …)
Via Hardware:
Attenuation (from 0 dB to 26 dB)
High Pass Filter (35 Hz, 70 Hz)
LoZ/HiZ/70V/100V output selection
Gain (from 26 dB to 35 dB)
Date tehnice:
General
Number of channels
2
Output power
Single channel mode
Distributed line*
Bridge mode
2 Ω
4 Ω
8 Ω
70V
100V
4 Ω
8 Ω
3000 W
2400 W
1250 W
2400 W
2400 W
6000W
4800W
Max output voltage / current
142 Vpeak / 80 Apeak
AC Main Power
Power supply
Universal, regulated switch mode with PFC
Nominal power requirement
100-240 V ±10%, 50-60 Hz
Operating voltage
90 V - 264 V
Power consuption**
115 V
230 V
Idle
32.5 W
0.31 A
32.8 W
0.30 A
1/8 of max output power @ 4 Ω
780 W
7.0 A
755 W
3.9 A
Thermal
Operating temperature range
0° - 45° C - 32° - 113° F
Thermal dissipation**
115 V
230 V
Idle
111 BTU/h
28.0 kcal/h
112 BTU/h
28.2 kcal/h
1/8 of max output power @ 4 Ω
613 BTU/h
154.5 kcal/h
528 BTU/h
133.1 kcal/h
AUDIO
Gain
26 dB
29 dB
32 dB
35 dB
Input sensitivity
5.03 V
3.56 V
2.52 V
1.79 V
Max input level
20 dBu
20 dBu
20 dBu
20 dBu
Frequency response
20 Hz - 20 kHz (±0.5 dB) @ 1 W, 8 Ω or (±2.5 dB) @ 32W, 70V lines / 65 W, 100V lines
S/N ratio
> 111 dB (20 Hz - 20 kHz, A weighted)
Crosstalk separation
< 70 dB @ 1kHz
THD+N
< 0.1% from 0.1 W to full power (typically <0.05%)
IMD
< 0.05% from 0.1 W to full power (typically <0.05%)
Input impedance
20 kΩ balanced
Slew rate
> 50 V/μs @ 8Ω, input filter bypassed
Damping factor
> 500 @ 20-100 Hz (Lo-Z)
DSP
AD Converter
24bit @ 48 kHz Tandem® architecture, 125 dB dynamic range
DA Converter
24bit @ 48 kHz Tandem® architecture, 117 dB dynamic range
Internal precision
32 bit floating point
Latency
2.5 ms fixed latency architecture
Input equalizer
Raised-cosine, custom FIR, param. IIR: peaking, hi/lo-shelving, all-pass, band-pass, band-stop hi/lo-pass
Output equalizer
Linear phase (FIR), hybrid (FIR-IIR), Bessel: 6 dB/oct to 48 dB/oct (IIR)
Crossover
Butterworth, Linkwitz-Riley
Delay
up to 100 ms per output
Input EQ
Output EQ
Limiters
Peak, RMS voltage, RMS current, TruePower™
Damping control
Active DampingControl™, LiveImpedance™ measurement
Front panel
Indicators and Controllers
1 x LED - Status
1 x LED - Over-temperature protection
1 x LED bar - Signal level + CLIP
1 x LED bar - Signal level and over-temperature protection
1 x Knob - Level attenuator (continuous)
1 x Push-button - Setting operating parameters
1 x Push-button - Preset selector
1 x DIP switch - Toggle energy save on/off per channel pair
1 x Power switch -
Connectors
AC main
1 x IEC C20 connector - 20 A max (region-specific power cord provided)
Audio signal input
2 x 3 pin Phoenix MC 1.5/3-ST-3.81 - Signal input – MAIN
Alarm
1 x 12 pin Phoenix MC 1.5/12-ST-3.81 - Alarm connector
Remote command
1 x 4 pin Phoenix MC 1.5/4-ST-3.81 - Remote on/off switch and aux voltage
Network/data
1 x USB plug - USB connection
1 x Rj45 socket - RS485 data connection (non-DSP version)
1 x Rj45 socket - DANTE®
Rear panel
Indicators and Controllers
1 x DIP switch - Toggle lo/hi impedance connection
1 x DIP switch - Toggle 70V/100V distributed line nominal voltage
1 x DIP switch - Toggle High Pass Filter
1 x DIP switch - Toggle 35Hz/70Hz HPF cutting frequency
Audio
Amplifier
Highly efficient Powersoft Class D circuitry
Communication
Wired
Ethernet 100 Mbit/s, PoE, via internal RJ45 port
Construction
Dimensions (L x H x W)
483 mm x 44.45 mm x 360 mm (19.0 in x 1.8 in x 14.2 in)
Weight
7 kg (15.4 lb)
* Data is subject to change without notice.
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