Specifications/Block Diagram - Ashly ne8250.25 Operating Manual

Operating Manual - NE Multi Channel Power Amplifier
6. SPECIFICATIONS
General Power Amplifier Specifications
Base Model
Continuous Average Power Output Per Channel
Low Z models, Stereo Mode, all channels driven
8Ω, 20Hz-20kHz 1%THD . . . . . . . . . . . . . . . . . . . .150W
4Ω, 20Hz-20kHz 1%THD . . . . . . . . . . . . . . . . . . . .250W
Low Z models, Bridge Mode, all channels driven
8Ω, 20Hz-20kHz 1%THD . . . . . . . . . . . . . . . . . . . .500W
Hi Z models, 25V, 70V, or 100V distributed output
20Hz-20kHz 1%THD, per channel . . . . . . . . . . . . . 250W
Line Current Draw (all channels driven)
Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190mA 95mA
Idle (no signal). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .540mA 270mA 565mA 283mA
Typical (1/8 power pink noise). . . . . . . . . . . . . . . . . .2.85A
Maximum (1/3 power sine wave) . . . . . . . . . . . . . . . .6.00A
Thermal Dissipation (BTU/hr, all channels driven)
Standby mode, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46.7
Idle (no signal). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Typ (1/8 power pink noise). . . . . . . . . . . . . . . . . . . . .341
Max (1/3 power sine wave) . . . . . . . . . . . . . . . . . . . .378
Signal to Noise (20Hz-20KHz, unweighted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>105dB
Distortion (SMPTE, typical) - 8 ohm load, 10dB below rated power: . . . . . . . . . . . . . . . . .<0.5%
Distortion (THD-N, typical) - 8 ohm load, 10dB below rated power, 20Hz-20kHz:. . . . . . .<0.5%
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Hz-20kHz, +/-1dB
Damping Factor (8 ohm load, <1kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>250
Input Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20K Ohm, balanced
Maximum Input Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+21dB
Cooling. . . . . . . . . . . . . . . temperature controlled fan, cool air is drawn in from the sides and blown out the front
Control Network. . . . . . . . Standard 100MB Ethernet
Front Panel Indicators. . . per channel: Clip/Mute, -6dB, -12dB, -18dB, Temp, Current, Bridge (per pair)
overall: Power, Standby, Protect, Power Switch Disable, Comm
Control Surface and Amp LEDs: Level meters are in dB below rated output
Attenuators. . . . . . . . . . . . per channel: front panel, software, offset link group, and remote
Input/Remote Connectors. Euroblock (5.08mm)
Output Connectors . . . . . . Euroblock (7.62mm)
Amplifier Protection. . . . . inrush current limitation, temperature monitoring, output over-current protection, mains fuses
Power Requirements . . . . 120VAC or 240VAC (factory set) ±10%, 50/60Hz
Power Cable Connector. . 15A Edison
Unit Dimensions. . . . . . . . 19"W x 3.5"H x 16.84"D (483 x 89 x 428mm)
Unit Weight . . . . . . . . . . . ne4250: 23 lbs (10.4kg), ne8250: 24.7 lbs (11.2kg)
Shipping Weight . . . . . . . . ne4250: 29.1 lbs (13.2kg), ne8250: 30.8 lbs (13.9kg)
Environmental: . . . . . . . . 40°-120°F, (4°-49°C), noncondensing
Safety/Compliance . . . . . . cTUVus, FCC Class B, CE, RoHS
14
4250 8250
120VAC 230VAC 120VAC 230VAC
150W 150W 150W
250W 250W 250W
500W 500W 500W
250W 250W 250W
290mA 145mA
1.43A 5.00A 2.50A
3.00A 11.0A 5.50A
46.7 63.8 63.8
123 187 187
341 700 700
378 775 775
0dBu = 0.775V rms