- ^ "Heathkit catalog" (PDF). May 1961.
- ^ "Stereomaster 370-B Radio Scott; H.H.; Maynard, Massachusetts, build". Radiomuseum. Retrieved 2024-10-02.
- ^ "H.H. Scott Service Bulletin and Schematic for Model 370-B Stereo Multiplex Tuner" (PDF).
- ^ "Sherwood S-2100 AM/FM Stereo Tuner Manual". HiFi Engine. Retrieved 2024-10-02.
- ^ "Studiomeister RS222 Superelectronic Radio Siemens & Halske". Radiomuseum. Retrieved 2024-10-02.
- ^ "Marantz 150 AM/FM Stereo Tuner Manual". HiFi Engine. Retrieved 2024-10-02.
- ^ "Luxman T-34 Solid State AM/FM Tuner Manual". HiFi Engine. Retrieved 2024-10-02.
- ^ "Onkyo T-4000 Quartz Synthesized AM/FM Stereo Tuner Manual". HiFi Engine. Retrieved 2024-10-02.