Crown SA-20-20
At just 1.75 inches tall, this amplifier vanished into the rack—but not into obscurity—earning quiet respect as a no-frills workhorse in Crown’s early solid-state lineup. Its compact design was noted in contemporary contexts for enabling efficient system integration High-Fidelity (April 1966, p.81).
Overview
Key Features
1.75-Inch Height with Full 19-Inch Front Panel
The SA-20-20 measured 19 inches wide and 1.75 inches tall at the front panel, making it a space-efficient choice for rack mounting in multi-component systems. This slim profile allowed multiple units to be stacked or installed alongside tape decks, preamplifiers, or equalizers without consuming excessive vertical space—a practical advantage in institutional or studio environments. The chassis depth remains undocumented, but the full-width front panel suggests robust internal layout and adequate ventilation for a low-to-moderate power design. Its compact stature did not compromise build quality; as with other Crown gear of the era, the construction was industrial-grade, built to endure continuous use.
System Integration with Crown 800 Series Reel-to-Reel Decks
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