Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

B&H # ASPEM425070D MFR # PEMA 4250.70D
Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

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  • 1Description

The 4-Channel 1000W Pema Network Power Amplifier from Ashly 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 delivers 250W into a 70V load and channels can be bridged for 500W 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 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.

70V constant voltage
8x8 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
In the Box
Ashly 4-Channel 1000W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    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: 4.8 kOhms
    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: 3.16 kOhms (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, ±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 250 W
    Current Draw Standby Mode: 190 mA
    Idle (No Signal): 540 mA
    Typical (1/8 Power Pink Noise): 2.85 A
    Maximum (1/3 Power Pink Noise): 6.00 A
    Thermal Dissipation Standby Mode: 46.7 BTU/hr
    Idle (No Signal): 123 BTU/hr
    Typical (1/8 Power Pink Noise): 341 BTU/hr
    Maximum (1/3 Power Pink Noise): 378 BTU/hr
    Environmental 40 to 120°F (4 to 49°C) non-condensing
    Airflow In through sides, Out through front
    Dimensions (W x H x D) 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, -∞
    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 -∞
    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 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 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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