Goodwin's High End

Spectral Power Amps

Goodwin's High End is the oldest and most experienced Spectral dealer in the US. In 2009, we celebrated the 25th anniversary of our long association with Spectral and Spectral has become our #1 selling line here in the store. When you hear the sonic purity and sheer naturalness of the current generation of Spectral componentry you will immediately understand why so many people end up choosing to base their system around their components.

Spectral DMA-400 monaural reference amplifier

Spectral DMA-400 RS mono power amplifier

This is the new and long-awaited Reference Standard mono power amp from Spectral. If you are somewhat technically inclined then you will find a lot of information about the design of the DMA-400 in this PDF.

Hearing is believing. And until you've auditioned it you won't know what you are missing!




DMA-400 Monaural Power Amplifier
Power Output
@ 8 ohms - 350 Watts RMS
@ 4 ohms - 560Watts RMS
@ 2 ohms - 705 Watts RMS
Output Current: 90 Amps peak
Frequency Response: +/- 0.1 dB, DC - 150 KHz
+/- 1 dB, DC - 1 MHz
+/- 3 dB, DC - 1.8 MHz
Static: less than 0.015% from DC to 100 KHz, typically 0.009% @ 350 WRMS/8 ohms
Dynamic: 8 Tone Cluster Test 20 KHz @ 500 Hz separation
0.01% @ 8 ohms
0.015% @ 4 ohms
Risetime: less than 225nanoseconds
Settling: 1.5 microseconds to -40 dB
Slew Rate: 650 volts/microsecond
Signal to Noise: 98 dB unweighted,108 dB ASA A
Impedance: 10k ohms
Sensitivity: 1.5 volts / nominal output
Power Supply:
Line Voltage: 120 volts (USA standard)
AC Voltage Range: +-10%
Maximum Consumption: 2000 Watts
Quiescent Consumption: 115 Watts
Operating Temperature: 0 deg. to +50 deg. Celsius range,
32 deg. to +122 deg. Fahrenheit
Protection Features:
DC Protection Servo: 0.5 volt range
Current Limit Onset: 90 Amps
Thermal Threshold: Protects at 85 deg. Celsius,
185 deg. Fahrenheit
AC Main Fuses: 120v 5A/3AG slo-blo
Size and Weight:
Dimensions: 20" (50.8 cm) W,
7.23" (18.4 cm) H,
19.6" (49.9 cm) D,
Weight: 72 lbs, 34kg Net (each chassis)

All information and specifications provided herein are subject to change owing to the evolutionary nature of Spectral designs and technology. All Spectral products are covered by a three-year limited warranty for parts and labor. Please see warranty for complete details of coverage.

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