Ashly 4-Channel 1000W Network-Enabled Power Amplifier with AES3 & Protea DSP Software Suite (70V)


د.إ12,199.00

TheĀ 4-Channel 1000W Network-Enabled Power AmplifierĀ fromĀ AshlyĀ delivers a minimum power of 250W RMS power per channel into 70V loads with all channels operating. The amplifier features pre-installed AES3 input card with pass-thru and the Protea DSP Software Suite; and is designed around an energy efficient Class-D platform with a switching power supply. When switched into bridged-mono mode, channels 1+2 or 3+4 of the amplifier delivers over 500W RMS into an 140V load.

The power amplifier includes Euroblock input connectors, Euroblock output connectors, and balanced analog inputs. Besides remote standby for power up, DC remote level control, and contact closure preset recall, the amplifier also features Ethernet control & monitoring of power functions, level, mute, polarity, temperature, current, and amplifier fault conditions. The front panel indicates power status, standby, protect, power switch On/Off, signal level, bridge, temperature & current levels, and Ethernet communication. The amplifier mounts in a standard 19ā€ rack using two spaces (3.5ā€ high).

The power amplifier has an internal factory-installed Digital Signal Processing (DSP) controlled using the Protea Software Suite (network-enabled). Each amplifier input channel can be configured with pluggable DSP blocks to have its own dynamics control, gain functions, graphic and/or parametric EQ, Hi-pass/Lo-pass filters, time delay, metering, and test signal generator. A mixer section with assignable routing allows any input to drive any or all amplifier outputs.

Outputs have the same DSP functions as inputs, with the addition of a quick and automated crossover setup. Both inputs and outputs duplicate their settings to other channels, or link with one or more other channels to track their settings. Presets can be used to store and retrieve global parameters of an amplifier’s control surface and DSP section from a file. Sub-presets allows for a collection of individual DSP function parameters within and across both channels of an amplifier to be stored and recalled as a set, affecting only those parameters which have been tagged. Up to 35 presets/sub-presets can be stored within the amplifier and recalled in real time via Ethernet from a computer using the Protea Software Suite.

  • 10/100 Ethernet for remote control and monitoring
  • 70V constant voltage
  • Pre-installed AES3 input card with pass-thru andĀ Protea DSP Software Suite
  • DC voltage remote gain control
  • Switched-mode power supply, Class-D output
  • Stepped & calibrated input attenuators
  • Remote power standby
  • All front panel controls can be disabled via software
  • Temperature-sensitive variable speed fan with front-to-back airflow
  • Selectable HPF frequencies (80 Hz, 400 Hz, off)
  • 4-stage level meters
  • Output current and temperature indicators
  • cTUVus, CE, FCC, and RoHS safety/compliance
SKU: NE4250.70PEA Category: Tag:
Amplifier
Frequency Response
20 Hz to 20 kHz, (unweighted) ± 1 dB
Input Impedance
20 kOhms, balanced
Voltage Gain
32 dB
Input Sensitivity
7.2 dBu
Maximum Input Level
+21 dBu
Software Control
80 Hz (12 dB/oct), 400 Hz (6 dB/oct), Off
Distortion
8 Ohms load:
< 0.5 % typical (SMPTE)
< 0.5 % typical (20 Hz to 20 kHz) (THD-N)
Damping Factor
> 250 (8 Ohms, 1 kHz)
Circuitry
Class D
Maximum load protection
Output Overcurrent, Main Supply Rail Overvoltage, Chassis Temperature, Inrush Limiting, Mains Fuse
Controls
Remote standby, Preset recall (4), Remote Level (8), Remote Data
Connectors
Input/Output: Euroblock (each channel)
Required AC Mains
120 VAC or 240 VAC, ±10% 50 to 60 Hz
Cable Connectors
15 A Edison, 3-Prong IEC
Signal to Noise Ratio
> 107 dB (20 Hz to 20 kHz, unweighted)
LED Indicators
Signal Level
Red: Clip
Yellow: -6 dB
Green: -18 dB, -12 dB

Bridge: Green per channel pair
Temperature: Yellow per channel
Current: Green per channel (proportional to output)

Output
250 W per channel
Current Draw
Standby Mode: 290 mA
Idle (No Signal): 565 mA
Typical (1/8 Power Pink Noise): 5.00 A
Maximum (1/3 Power Pink Noise): 11.0 A
Thermal Dissipation
Standby Mode: 63.8 BTU/hr
Idle (No Signal): 187 BTU/hr
Typical (1/8 Power Pink Noise): 700 BTU/hr
Maximum (1/3 Power Pink Noise): 775 BTU/hr
Dimensions
19 x 3.5 x 16″ (48 x 8.9 x 41 cm)
Weight
18 lb (8.2 kg)
DSP
Input Source
Input Source Select Options: Analog, Auto (Net, AES3, Analog)
Limiter
Brick Wall Limiter
Threshold: -20 to +20 dBu
Ratio: Infinite
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB
Compressor
Threshold: -20 to +20 dBu
Ratio: 1.2:1 to infinite
Attack: 0.2 to 50 ms
Release: 5 to 1000 ms/dB
Detector: Peak/average
Attenuation Bus: 4 available
Metering: In, Out, Attenuation, Graphical
Controls
Target Level: -40 to +20 dBu
Action: Gentle, normal, aggressive, user-defined
Maximum Gain: 0 to +22 dB
Metering: Input Level, Gain, Attenuation
Ratio: 1.2:1 to 10:1
Threshold Below Target: -30 to 0 dB
Gain Increase/Decrease Rate: 5 to 1000 ms/dB
Hold Time: 0 to 6 sec
Ducking
High/Low Priority, Trigger, Filibuster, Ducked Program
Trigger Threshold: -80 to +20 dBu
Ducking Release: 5 to 1000 ms/dB
Ducking Depth: 0 to -30 dB, -āˆž
Enable Ducking at Matrix Mixer: Yes
Metering: Input
Gate
Threshold: -80 to +20 dBu
Range: off, 100 to 0 dB
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB
Metering: Key Signal, Gate LED, Graphical
Advanced Gate Controls
Key Engage Enable: Yes
Key Frequency: 20 Hz to 20 kHz
Key Bandwidth: 0.016 to 3.995 octave
Gain
Gain (with/without VCA): -50 to +12 dB, off, polarity invert
Digital VCA Groups: 4 available
Remote RD8C Gain: Enable per channel, 0 dB to -āˆž
WR-5 (neWR-5) Remote Gain: 0 to -50 dB, mute
EQ Controls
31-Band
Filter Type: Constant Q or proportional Q
Bandwidth: 0.499 to 0.25 oct
Parametric 2,4,6, or 10 Band
Frequency: 20 to 20 kHz
Level: -30 to +15 dB
Q Value: 0.016 to 3.995 Octave
Hi/Low Shelf 6/12 dB/oct
Frequency: 20 Hz to 20 kHz
Level: -15 to +15 dB
All Pass
Frequency: 20 Hz to 20 kHz
Variable Q HP/LP
Frequency: 20 Hz to 20 kHz
Q Value: 3.047 to 0.267
Notch/Bandpass
Frequency: 20 Hz to 20 kHz
Q Value:Ā 92.436 to 0.267
Crossover
2 Way, 3 Way, 4 Way Crossover & High-Pass/Low-Pass Filters
Bessel & Butterworth Filters: 12/18/24/48 dB/oct
Linkwitz-Riley Filter: 12/24/48 dB/oct
Notched Linkwitz-Riley: 4th Order, 8th Order
Frequency: Off, 20 Hz to 20 kHz
Delay
@ 48 kHz Sampling Rate (Input Time, Distance & Temperature)
Speaker Delay: 0 to 21 ms
Delay: 0 to 682 ms
@ 96 kHz Sampling Rate (Input Time, Distance & Temperature)
Speaker Delay: 0 to 10.6 ms
Delay: 0 to 341 ms
Audio Metering
Range: -60 to +20 dBu
Increments: 1 dB
Peak Hold Indicator: Yes
Signal Generator
Pink noise, White noise, Sine wave
Signal Level: Off, -50 to +20 dBu
Sine Wave Frequency: 20 Hz to 12 kHz
Mixer
Gain (0.5 dB increments): Off, -50 to +12 dB
Mute: Input
Auto-Mixer: Automix assign per input
Global Auto-mixer Response: 0.01 to 2 sec
Enable Ducking at Mixer: Yes
Ducking LED: Per channel if enabled
Metering: Level, auto-mixer level
Processors
Input A/D, Output D/A: 24 bit
DSP Processors: 32-bit floating point
Sample Rates: 48 and 96 kHz

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