Amcron 300A
Little is documented about an Amcron model called simply "300A". The amplifier that shows up in period sources is the Amcron DC-300A (often labeled DC 300A Series II), a high-power solid-state stereo amplifier built for professional and touring use. Studio Sound (September 1975, p.57) reported that each channel could deliver up to 500 watts RMS, with intermodulation distortion typically below 0.01%. It could handle loads as low as 1 ohm. Damping factor was above 1000 up to 300 Hz into 8 ohms.
The DC-300A saw wide use in both studio and live-sound work. Studio Sound (March 1977, p.43) noted its adoption by major acts including the Rolling Stones, Led Zeppelin, and Emerson, Lake & Palmer. A Series II variant exists, though little more documentation on either version has surfaced beyond these period references.
Vintage audio enthusiasts have a following for the DC-300A, mostly for its output and clean performance. Production years, original pricing, dimensions, and service documentation remain unrecorded in the archives consulted.
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