Ashly 8-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (Low-Z)

Ashly 8-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (Low-Z)
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Ashly PEMA 8125D Overview

The 8-Channel 1000W Pema Network Power Amplifier from Ashly consists of eight inputs and eight 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, eight powered outputs deliver 75W into an 8 ohm load and channel pairs can be bridged for 250W into an 8 ohm 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 19” rack using two spaces (3.5” 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.

Low-Z (4 and 8 ohms)
8x8 DSP matrix with 8-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

Ashly PEMA 8125D Specs

Frequency Response20 Hz to 20 kHz, +/-1 dB
Input Sensitivity3.2 dBu
Voltage Gain26 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 ImpedanceMic/Line: 4.8 kOhms
Maximum Input LevelMic/Line: +21 dBu
GainPreamp Mic/Line: 0, +20 dB, +40 dB, +60 dB
Phantom PowerMic/Line: +15 V, switchable channel 1 to 4, 5 to 8
Mono EQSummed: 3.16 kOhms (input impedance)
+11 dBu (maximum input level)
InputChannel 1 TEL-PBX: 3.9 kOhms (input impedance), +21 dBu (maximum input level)
Output LevelPreamp Maximum Level: +8 dBu
Aux Maximum Level: +20 dBu
ControlsEthernet 10/100, Channel 1 TEL-PBX switch, Remote standby, Preset recall (4), Remote Level (8), Remote Data
ConnectorsInput/Output: Euroblock (each channel)
Audio Connections1 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
8 x Euro connector speaker outputs
Required AC Mains120 VAC or 240 VAC, ±10% 50 to 60Hz
Power CableConnector: 15 A Edison, 3-Prong IEC
Signal to Noise Ratio> 102 dB (20 Hz to 20 kHz, unweighted)
LED IndicatorsSignal 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)
OutputContinuous Average Power
4 Ohms: 125 W
8 Ohms: 75 W

Bridge Mode
8 Ohms: 250 W
Current DrawStandby Mode: 290 mA
Idle (No Signal): 565 mA
Typical (1/8 Power Pink Noise): 2.78 A
Maximum (1/3 Power Pink Noise): 5.78 A
Thermal DissipationStandby Mode: 63.8 BTU/hr
Idle (No Signal): 187 BTU/hr
Typical (1/8 Power Pink Noise): 444 BTU/hr
Maximum (1/3 Power Pink Noise): 481 BTU/hr
Environmental40 to 120°F (4 to 49°C) non-condensing
AirflowIn through sides, Out through front
Dimensions19 x 3.5 x 16.8" (48.3 x 8.9 x 42.6 cm)
Weight25 lb (11.3 kg)
Input SourceInput Source Select Options: Analog, Auto (Net, AES3, Analog)
LimiterBrick Wall Limiter
Threshold: -20 to +20 dBu
Ratio: Infinite
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB
CompressorThreshold: -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
ControlsTarget 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 CompensationMaximum 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
DuckingHigh/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, -∞
Enable Ducking at Matrix Mixer: Yes
Metering: Input
GateThreshold: -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
GainGain (with/without VCA): -50 to +12 dB, off, polarity invert
Digital VCA Groups: 4 available
Remote RD8C Gain: Enable per channel, 0 dB to -∞
WR-5 (neWR-5) Remote Gain: 0 to -50 dB, mute
EQ ControlsFIR Filter
File Type: .csv, .fir
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
Frequency: 20 Hz to 20 kHz
Q Value: 92.436 to 0.267
FeedbackFeedback 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
Crossover2 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 MeteringRange: -60 to +20 dBu
Increments: 1 dB
Peak Hold Indicator: Yes
Signal GeneratorPink noise, White noise, Sine wave
Signal Level: Off, -50 to +20 dBu
Sine Wave Frequency: 20 Hz to 12 kHz
MixerGain (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
ProcessorsInput 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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