SPECTRAL DMA-250

Second-hand, in good condition, it has some scratches (see pictures). Equipped with its original package.
Power amplifier


Specifications
Power Output: (continuous) @8 ? - 200 Watts RMS @4 ? - 350 Watts RMS @2 ? - 570 Watts RMS
Output Current: 60 Amps peak per channel
Frequency Response:
±0.1 dB, DC-150 KHz
±1 dB, DC-1 MHz
±3 dB, DC-1.8 MHz
Distortion:
Static: Less than 0.015% from DC to 100 KHz, typically 0.009% @ 200 WRMS/8 ohms
Dynamic: 8 Tone Cluster Test 20 KHz @ 500 Hz separation; 0.01% 8 ohms; 0.015% 4 ohms
Speed:
Rise Time: Less than 400 nanoseconds
Settling: 1.5 microseconds to -40dB
Slew Rate: 600 volts/microsecond
Noise:
Signal to Noise: 97dB unweighted, 107dB ASA A
Crosstalk: 98dB @ full power 8 ohms
Input:
Impedence: 100K ? in parallel with 100 pf
Sensitivity: 1.5 volts/nominal output
Power Supply:
Line Voltage: 100 volts, 120 volts, 240 volts (factory set)
AC Voltage Range: ±10%
Maximum Consumption: 1600 Watts
Quiescent Consumption: 250 Watts
Operating Temp: 0° to 50° Celsius range; 32° to 122° Farenheit
Protection Features:
DC Protection Servo: 0.5 volt range
Current Limit Onset: 60 Amps
Thermal Threshold: Protects at 85° Celsius, 185° Farenheit
AC Main Fuses:
2 @ 2-1/2A 3 AG slo-blo, for 100 - 120 VAC
2 @ 1-1/4A 3AG slo-blo, for 220-240 VAC
Size and Weight:
Dimensions: 48.22cm (19")W x 18.4cm (7 1/4")H x 45.8cm (18")D
Weight: 62 lbs, 28.1 KG Net