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I have not yet seen US pricing, but a web search turned up the following on the website of a non-US vendor.
Manufacturer's Specifications for Spectral DMA-300 SV
Power Output (continuous)
- @ 8 ohms - 225 Watts RMS
- @ 4 ohms - 410 Watts RMS
- @ 2 ohms - 615 Watts RMSOutput Current
- 60 Amps peak per channelFrequency Response
- ±1 dB, DC-1 MHz
- ±3 dB, DC-1.8 MHzDistortion
- Static: Less than 0.015% from DC to 100 KHz, typically 0.009% @ 225 WRMS/8 ohms
- Dynamic: 8 Tone Cluster Test 20 KHz @ 500 Hz separation 0.01% 8 ohms 0.015% 4 ohmsSpeed
- Rise Time: Less than 225 nanoseconds
- Setting: 28 microseconds to 0signal noise
- Slew Rate: 800 volts/microsecondNoise
- Signal to Noise: 108dB ASA A
- Crosstalk: 102dB @ full power 8 ohmsInput
- Impedance: 10K ohms
- Sensitivity: 1.5 volts/nominal outputPower Supply
- Line Voltage: 100 volts, 120 volts, 230 volts (factory wired
- AC Voltage Range: ±10%
- Maximum Consumption: 1600 Watts
- Quiescent Consumption: 250 Watts
- Operating Temp: 0° to 50° Celsius range; 32° to 122° FahrenheitDimensions
- 19" (48.22cm) W
- 7 1/4" (18.4cm) H
- 18" (45.8cm) DWeight
- 70 lbs, (29 KG) Net
Manufacturer's Specifications for Spectral DMA-400 SV
Power Output (continuous)
- @ 8 ohms - 350 Watts RMS
- @ 4 ohms - 580 Watts RMS
- @ 2 ohms - 750 Watts RMSOutput Current
- 90 Amps peakFrequency Response
- ±0.1 dB, DC-100 KHz
- ±1 dB, DC-1 MHz
- ±3 dB, DC-1.8 MHzDistortion
Static:
- Less than 0.015% from DC to 100 KHz.
- Typically 0.009% @ 350 Watts RMS / 8 ohmsDynamic:
- 8 Tone Cluster Test 20 KHz @ 500 Hz separation
- 0.01% 8 ohms
- 0.015% / 4 ohmsSpeed
- Rise Time: Less than 225 nanoseconds
- Settling: 28 microseconds to 0 signal noise
- Slew Rate: 1200 volts/microsecondNoise
- Signal to Noise: 108dB ASA AInput
- Impedance: 10K
- Sensitivity: 1.5V nominal outputPower Supply
- Line Voltage: 100 volts, 120 volts, 220 volts (internal wiring/factory)
- AC Voltage Range: +/- 10%
- Maximum Consumption: 2000 watts
- Quiescent Consumption: 115 watts
- Operating Temp. : 0° to 50° Celsius range; 32° to 122° FarenheitProtection Features
- DC Protection Servo: 0.5V range
- Current Limit Onset: 90 amps
- Thermal Threshold: Protects at 85° Celsius, 185° Farenheit
- AC Main Fuse: 5A/3 AG slo-bloMechanical Specifications
- Dimensions: 20" (50.8 cm), W x 7 1/4" (18.4cm) H x 19.6" (49.9 cm) D
- Weight: 74 lbs (35.0) kg net