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Ashly 4-Channel 500W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

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د.إ21,299.00

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TheĀ 4-Channel 500W Pema Network Power AmplifierĀ fromĀ AshlyĀ consists of eight inputs and four power amplifier outputs with the ability to assign any input to any output. The amplifier features pre-installed OPDante network audio interface card and the Protea DSP Software Suite. When switched into bridged-mono mode, four powered outputs deliver 125W into a 70V load and channel pairs can be bridged for 250W into a 140V load.

The power amplifier includes Euroblock input connectors and Euroblock output connectors. Besides remote standby for power up, DC remote level control, and contact closure preset recall, the amplifier also features Ethernet control, level, mute, polarity, temperature, current, and amplifier over current conditions. The front panel indicates power status, standby, protect, power switch On/Off, signal level, bridge, temperature & current levels, and Ethernet communication. A temperature dependent speed-controlled axial fan shall maintain the correct operating temperature. Full programming and control of the unit is from the rear panel RJ-45 jack connected to a 10/100BASE-T Ethernet LAN connected to a PC running the Protea Software. 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. Hot-plug DSP placement allows you to insert any function into any channel block, even when running live audio. A mixer section with assignable routing allows any input to drive any or all amplifier outputs. The matrix mixer also has selectable gain sharing automatic mixing capability. Outputs have the same DSP functions as inputs, with the addition of a quick and automated crossover setup. Up to 30 presets shall be standard and four presets shall be accessible via contact closure using the Protea Software Suite.

70V constant voltage
8×8 DSP matrix with 4-channel power amplifier
OPDante network audio interface
FIR Filter capable
Eight built-in mic preamp outputs
Gain sharing automatic mixing capability
Automatic feedback suppression
Ambient noise compensation
Telephone/PBX input
Dual RCA and balanced Euroblock inputs
Post DSP Aux line level outputs
Stereo summed to mono
Event scheduling (RTC)
Adjustable HP/LP filters
Built-in pink/white noise & sine wave generator
Protea DSP software suite
Hot-plug DSP placement
15V phantom power for mic inputs
Full control using software over 10/100BASE-T Ethernet
Automatic DHCP network IP configuration
Euroblock connectors for preset recall, DC remote level control, and serial data control
External control via standard wall remotes, Ethernet wall remotes, Remote iPad app
Level control via variable DC control voltage
Stand-by mode activation via contact closure
Multi-level security
cTUVus, CE, FCC, & RoHS safety/compliance
SKU: PEMA 4125.70D Category: Tag:
Amplifier
Frequency Response
20 Hz to 20 kHz, +/-1 dB
Input Sensitivity
7.2 dBu
Voltage Gain
32 dB
Damping Factor
> 250 (8 Ohms load, < 1 kHz)
Distortion
< 0.5% (SMPTE, typical)
< 0.5% (THD-N, typical, 8 Ohms, 10 dB below rated power, 20 Hz to 20 kHz
Channel Separation
-80 dB (dB from full output, 1 kHz)
Input Impedance
Mic/Line: 4.8k ohms
Maximum Input Level
Mic/Line: +21 dBu
Gain
Preamp Mic/Line: 0, +20 dB, +40 dB, +60 dB
Phantom Power
Mic/Line: +15 V, switchable channel 1 to 4, 5 to 8
Mono EQ
Summed: 3.16k Ohms (input impedance)
+11 dBu (maximum input level)
Input
Channel 1 TEL-PBX: 3.9 kOhms (input impedance), +21 dBu (maximum input level)
Output Level
Preamp Maximum Level: +8 dBu
Aux Maximum Level: +20 dBu
Controls
Ethernet 10/100, Channel 1 TEL-PBX switch, Remote standby, Preset recall (4), Remote Level (8), Remote Data
Connectors
Input/Output: Euroblock (each channel)
Audio Connections
1 x Euro connector balanced input, selectable for Mic, Line or TEL-PBX
7 x Euro connector balanced inputs, software selectable for Mic or Line
8 x pairs of unbalanced, summed mono RCA connectors optimized for consumer line level (-10 dBV nominal) devices
8 x Euro connector Preamp/Aux outputs
4 x Euro connector speaker outputs
Required AC Mains
120 VAC or 240 VAC, Ā±10% 50 to 60Hz
Power Cable
Connector: 15 A Edison, 3-Prong IEC
Signal to Noise Ratio
> 102 dB (20 Hz to 20 kHz, unweighted)
LED Indicators
Signal Level
Red: Clip/Mute
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
125 W
Current Draw
Standby Mode: 190 mA
Idle (No Signal): 590 mA
Typical (1/8 Power Pink Noise): 1.70 A
Maximum (1/3 Power Pink Noise): 3.27 A
Thermal Dissipation
Standby Mode: 46.7 BTU/hr
Idle (No Signal): 123 BTU/hr
Typical (1/8 Power Pink Noise): 232 BTU/hr
Maximum (1/3 Power Pink Noise): 251 BTU/hr
Environmental
40 to 120Ā°F (4 to 49Ā°C) non-condensing
Airflow
In through sides, Out through front
Dimensions
19 x 3.5 x 16.8″ (48.3 x 8.9 x 42.6 cm)
Weight
23.5 lb (10.7 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: 2 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
Ambient Noise Compensation
Maximum Gain: -20 to +20 dB
Minimum/Base Gain: -40 to +20 dB
Gain Change Rate: 0.2 to 20 s/dB
Link Group: 16 available
ANC Input Channel: 1-4 or 1-8
Noise Threshold: -40 to +20 dBu
Program/Ambient Gain Ratio: 0.3:1 to 3:1
Metering: Input level, Attenuation, Average noise
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
FIR Filter
File Type: .csv, .fir
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 Hz 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: 92.436 to 0.267
Feedback
Feedback Suppressor: Only available w/ 48 kHz sampling rate (inputs only)
Filters: 12
In/Out per filter: Yes
Filter Modes: Float, Restricted, Manual
Filter Type: Notch, Parametric
Filter Frequency Range: 20 Hz to 20 kHz
Parametric Filter Level: +15 to -30 dB
Filter Bandwidth: 0.016 to 3.995 Octave
Detector Sensitivity: 5 levels
Float Time: 5 minutes to 24 hours
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
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
Mixer
Gain (0.5 dB increments): Off, -50 to +12 dB
Mute: Per channel
Auto-Mixer: Per channel
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
Propagation Delay: 1.42 ms @ 48 kHz & 1.71 ms @ 96 kHz

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