API 301
Not much is documented about the API 301. What the record shows comes almost entirely from a single 1975 equipment directory listing (HiFI-Stereo, 1975, p.123). It describes the 301 as a mono mixer that blends four mono sound sources. The same entry lists the 301TR, a variant with one built-in transistorized amplifier, priced at $49.00 against the base model's $27.00.
Past that listing, almost nothing survives. No schematics, no original marketing materials and no user manuals have surfaced in the research conducted. API's 500 Series modules, including preams and EQs, were advertised in Mix Magazine (Mix, Feb 2010, p.23). Where the 301 fits in API's product timeline, and how long it stayed in production, is unknown.
Known details, drawn from the HiFI-Stereo listing:
- Mono mixer, four mono sound sources
- Similar to the API 306, but mono rather than stereo
- Base model 301: $27.00
- 301TR (with built-in transistorized amplifier): $49.00
- Listed in 1975
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