Spectral DMA-300SV Reference Stereo Power Amp
Selected Design Highlights
- State-of-the-art instrumentation amplifier.
- Fourth generation high resolution design.
- Ultra fast settling circuit architecture.
- Precision RF type layout and topology.
- Focused Array high-speed aligned FET output section.
- Genration 2 SHHA high-speed hybrid driver module features SV technology and custom semiconductor topology.
- Power Vault magnetic field containment system.
- New generation vertical MOS-FET output transistors with innovative servo-bias tracking system.
- Multiple power supply array with independent power supplies and bias adjustment for each output device.
- Non-invasive optical and thermal protection circuits.
- Fully discrete design with balanced monaural operation.
- High current systemboard design with bulk copper technology.
- All modular construction with instrumentation connectors.
- Extreme precision passive components featuring custom Teflon films.
- Ultra-low distortion achieves one-part-per-million signal accuracy.
SPECIFICATIONS
Power Output - continuous
@8 ohms - 225 watts RMS
@4 ohms - 410 watts RMS
@2 ohms - 615 watts RMS
Output Current
60 amperes peak per channel
Frequency Response ±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% @ 225 WRMS/8 ohms
Dynamic 8 Tone Cluster Test 20 KHz @ 500 Hz separation
0.01% @ 8 ohms
0.015% @ 4 ohms
SpeedRise Time less than 225 nanosecondsSettling 28 microseconds to 0 signal noiseSlew Rate 800 volts/microsecond Noise Signal to Noise 108 dB ASA A Crosstalk: 102dB @ full power 8 ohms Input Input Impedance 10K ohms Input Sensitivity 1.5 volts / nominal output Power Supply:Line Voltage 100 volts, 120 volts, 230 volts (factory set)AC Voltage Range ±10%Maximum AC Consumption 1600 WattsQuiescent AC Consumption 250 Watts Operating Temperature 0 degrees Celsius to +50 degrees Celsius 32 degrees Farenheit to 122 degrees Farenheit Protection Features: DC Protection Servo 0.5 volt range Current Limit Onset 60 Amps Thermal Threshold: Protects at 85° Celsius, 185° Fahrenheit
AC Main Fuses 2 @ 2.5A 3AG slo-blo, for 120 VAC Dimensions and Weight Dimensions 19" W 18" D 7 1/4" H 48.22cm W 45.8cm D 18.4cm H Weight Net 70 lbs 29 KG Please note that all of the information and specifications provided herein are subject to change owing to the evolutionary nature of Spectral designs and technology.
SpeedRise Time less than 225 nanosecondsSettling 28 microseconds to 0 signal noiseSlew Rate 800 volts/microsecond Noise Signal to Noise 108 dB ASA A Crosstalk: 102dB @ full power 8 ohms Input Input Impedance 10K ohms Input Sensitivity 1.5 volts / nominal output Power Supply:Line Voltage 100 volts, 120 volts, 230 volts (factory set)AC Voltage Range ±10%Maximum AC Consumption 1600 WattsQuiescent AC Consumption 250 Watts Operating Temperature 0 degrees Celsius to +50 degrees Celsius 32 degrees Farenheit to 122 degrees Farenheit Protection Features: DC Protection Servo 0.5 volt range Current Limit Onset 60 Amps Thermal Threshold: Protects at 85° Celsius, 185° Fahrenheit
AC Main Fuses 2 @ 2.5A 3AG slo-blo, for 120 VAC Dimensions and Weight Dimensions 19" W 18" D 7 1/4" H 48.22cm W 45.8cm D 18.4cm H Weight Net 70 lbs 29 KG Please note that all of the information and specifications provided herein are subject to change owing to the evolutionary nature of Spectral designs and technology.
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