DYNACO Stereo 400 power amplifier
Power Output: 20 Hz to 20 KHz
Both channels driven:
200 watts continuous average per channel @ 8 ohms
300 watts continuous average per channel @ 4 ohms
100 watts continuous average per channel @ 16 ohms
Monophonically:
600 watts rms @ 8 ohms
Power at Clipping, single channel, 2500 Hz, less than 1% distortion:
235 watts @ 8 ohms
350 watts @ 4 ohms
135 watts @ 16 ohms
Power bandwidth: 5 Hz to 35 KHz at less than 0.25% total harmonic distortion - half power output, 8 ohm load
Frequency Response: +0, -1 dB, 8 Hz - 50 KHz @ 1 watt into 8 ohms; ±0.5 dB, 20 Hz - 20 KHz @ 200 watts
Intermodulation Distortion:
Less than 0.1% at any power level up to 200 watts rms per channel into 8 ohms with any combination of test frequencies. Distortion reduces at lower power levels. Typically less than 0.03%
Harmonic Distortion:
Less than 0.25% at any power level up to 200 watts rms per channel into 8 ohms at any frequency between 20 Hz and 20 KHz with both channels driven. Distortion reduces at lower power levels. Typically less than 0.05%
Hum and Noise: Better than 100 dB below rated output, full spectrum
Input: 50,000 ohm load; 1.6 volts for 200 watts @ 8 ohms
Slewing Rate: 8 volts per microsecond
Damping Factor:
Greater than 80 to 1 KHz into 8 ohms
Greater than 30 to 10 KHz into 8 ohms
Channel Separation: Greater than 60 dB by IHF standards
Connectors: Inputs: phono jacks. Outputs: Color coded 3-way binding posts with standard 3/4" spacing
Dimensions: 17" wide;, 14" deep;, 7" high
Weight: Shipping weight 65 lbs; Net weight 54 lbs
Power Consumption: 120 VA quiescent; 11 amps maximum; 50/60 Hz, 120/240 VAC