Realistic STA 20
A solid-state AM/FM stereo receiver sold by Radio Shack in the 1970s
Overview
The Realistic STA-20 is a solid-state AM/FM stereo receiver made by Radio Shack under its Realistic brand. It was sold as a compact audio solution, and a 1976 budget electronics guide positioned it against receivers like the Harman/Kardon 3308. The case is walnut grain. Output is 7 watts RMS per channel into 8Ω, with a frequency response of 20-20,000 Hz. Radio Shack sold it alongside other Realistic mini components, often paired with minimus-7 bookshelf speakers.
Specifications
| Power output | 7 watts RMS per channel into 8Ω (stereo) |
| Frequency response | 20–20,000 Hz |
| Tuning range | FM, MW |
| Original price | $159.95 |
Design
The STA-20 is a solid-state mini stereo receiver in a walnut grain case. The power amplifier stage uses uPC1238 integrated circuits, one per channel.
Context
The Realistic STA-20 was listed in a 1976 budget electronics guide. The guide compared it directly to the Harman/Kardon 3308 AM/FM receiver as a competitive alternative.
Market
Owners have reported crackling volume controls, and some say it needs a full recap to run reliably. Used units have turned up at prices from CA$30 to $350, depending on condition. Listings describe them as "Excellent (Used)" and "Good Working & Cosmetic," and some units are confirmed as tested and working.
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Related Models
- Realistic STA-47 (1975–1976)
- Realistic DX-160
- Realistic STA-2290 (1977)
- Realistic SX-1250
- Realistic TR-169 (1975)
- Marantz 2226 (1974-1976)
- Marantz 2226B (1979-1980)
- Marantz 2235 (1974-1977)
- Marantz 2238B (1978-1980)
- Marantz 2250B (1978-1980)