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AB Series Power Amp (1985) ECS 750 - $50 (Mt Shasta) - $30
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From AI on the amp - AB Series E.C.S. 750 power amp
Manufacturer: AB Systems (later AB International Electronics).
Era: Mid-1980s (approx. 1985), coinciding with the company's "Precedent" and "Professional" series of rack-mount amplifiers.
Design: These units are typically heavy-duty, Class AB solid-state amplifiers designed for sound reinforcement, touring, or high-power studio monitoring.
Form Factor: A 3U rack-mount chassis with a rugged black metal faceplate, consistent with other models from that era like the Precedent 600.
Estimated Specifications
While specific documentation for the "E.C.S 750" variant is rare compared to the standard "Precedent" line, AB Systems models of this period generally followed these conventions: Power Output: The "750" in the model name typically suggests a total power capability or a per-channel rating into a specific load (e.g., approximately 375W per channel into 4 ohms or a bridged total of 750W).