ARC 3074
Nothing is documented about the ARC 3074. The model is absent from the period equipment directories, service literature, and magazine coverage sampled for this archive. No known dealer catalog or review from the era lists it.
The only tangential mention found anywhere in the vintage press is a product code 30-3074 that appears in a listing of "Models also available" in High-Fidelity (1980, p.82) — but that string belongs to a completely different product line (Realistic/RadioShack two-way speakers, 50 Hz–17 kHz, 8 ohms, 20W max) and has no connection to ARC or synthesizers. Whether the ARC 3074 was a prototype, a very short production run, a misidentified model number, or a phantom entry in an early database is unknown.
If you own an ARC 3074 or have documentation, the archive would welcome a correction.
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