The RT-224 covers the standard FM band from 88 to 108MHz and the AM band from 535 to 1605kHz. Sensitivity on FM is quoted at 4.0µV (IHF), with a signal-to-noise ratio greater than 60dB and a capture ratio of 4.0dB — figures that demonstrate capable reception performance for a tuner of this class and period. Harmonic distortion is quoted at less than 0.5% in mono and less than 1% in stereo. The front panel features a signal strength tuning meter to assist with accurate station alignment, and the rear panel carries terminals for both AM and FM antennae along with RCA phono sockets for line-level output to an amplifier or receiver.
The tuner is housed in a wooden case with a book-shelf form factor, finished in the style typical of Japanese hi-fi components of the mid-1970s.
Technical Specifications (Source: Radiomuseum.org / Rotel RT-224 Technical Manual, February 1976)
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Type: AM/FM Stereo Tuner
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FM Tuning Range: 88 – 108 MHz
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FM Sensitivity (IHF): 4.0µV
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FM Harmonic Distortion: <0.5% (mono); <1% (stereo)
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FM Signal-to-Noise Ratio: >60dB
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FM Capture Ratio: 4.0dB
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FM IF Rejection: 70dB
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FM Spurious Response Rejection: 60dB
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FM AM Suppression: 50dB
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AM Tuning Range: 535 – 1605 kHz
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AM Sensitivity (IHF): 250µV/m
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AM Image Rejection: 50dB at 1MHz
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AM IF Rejection: 40dB at 1MHz
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AM Signal-to-Noise Ratio: 50dB
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AM Selectivity: 25dB
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Outputs: RCA phono (line-level)
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Antenna Terminals: AM and FM
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Power Requirement: AC 100/120/220/240V, 50/60Hz
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Dimensions (W x H x D): 400 x 110 x 240 mm
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Weight: 6 kg
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Year of Production: 1976
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Country of Origin: Japan
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Finish: Wooden case
Why Buy From Us
With over 40 years of experience in the Hi-Fi industry, we are well placed to assess and test equipment of this type. Every item we list is fully inspected and tested before sale — this unit was checked by Andrew in our workshop.
When you buy from us you can expect:
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Full inspection and testing prior to listing — not simply a visual check
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A 3-month guarantee on every item we sell
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Transparent descriptions with no omissions
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Professional packaging to ensure safe delivery
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After-sales support available by phone or email should you have any questions
Summary
The Rotel RT-224 is a capable and well-built AM/FM stereo tuner from the mid-1970s, offering sensible performance figures and a practical signal strength meter in a compact wooden case. This example is in excellent condition for its age and represents a solid choice for anyone building a period-appropriate system or seeking a reliable vintage tuner. This is a single-unit listing. Please feel free to get in touch with any questions prior to purchase.
