Ashly 4-Channel 1000W Network-Enabled Power Amplifier with OPDAC4 & CobraNet Cards (Low-Z)

Description

The 4-Channel 1000W Network-Enabled Power Amplifier from Ashly delivers a minimum power of 150W RMS per channel into 8 ohm loads and 250W RMS per channel into 4 ohm loads with all channels operating. The amplifier features pre-installed OPDAC4 internal 4-channel digital to analog converter and CobraNet network audio interface card; 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 8 ohm 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 19” rack using two spaces (3.5” high).

10/100 Ethernet for remote control and monitoring
Low-Z (4 ohms)
CobraNet and OPDAC4 Input Cards
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
4-stage level meters
Output current and temperature indicators
cTUVus, CE, FCC, and RoHS safety/compliance

Ashly NE4250BC Specs
Frequency Response 20 Hz to 20 kHz, (unweighted) ± 1 dB
Input Impedance 20 kOhms, balanced
Voltage Gain 26 dB
Input Sensitivity 6.2 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 Ethernet 10/100, Channel bridge switch, 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: 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
Dimensions 19 x 3.5 x 16″ (48 x 8.9 x 41 cm)