Onkyo T-9090 (1984–1997)
A synthesized FM stereo tuner released by Onkyo in the mid-1980s, known for strong reception and solid build.
Overview
The Onkyo T-9090 is a synthesized FM stereo tuner made by Onkyo, with production spanning from 1984 to 1997. A later version, the T-9090 II, was released in 1988 and remained in production through 1997. It features push-button tuning with a digital readout and was designed for strong performance in urban environments, offering excellent image rejection. The tuner uses a 3SK114 dual-gate MOSFET in its front-end circuitry, contributing to a static noise figure of 1.4dB.
Specifications
| Type | Mono/Stereo Tuner |
| Number of Transistors | 56 |
| Tuning steps | AUTO MODE: 50 KHz steps, MANUAL MODE: 25 KHz steps |
| Front-end | 3SK114 dual-gate Mosfet |
| Static noise figure | 1.4dB |
Design
The Onkyo T-9090 II uses a 3SK114 dual-gate MOSFET in the front-end stage and features push-button tuning with digital frequency display. It was engineered for optimal performance in city environments, emphasizing strong image rejection.
Context
The T-9090 II was introduced in 1988 as an updated version of the original T-9090, which debuted in 1984. When reviewed in 1985, the T-9090 was praised for delivering performance on par with the best available technology at the time.
Market
The T-9090 II carried a price of $749.95 to $790, including wood side panels. Used units of the T-9090 II have recently sold for around $175. Known user feedback highlights excellent sound and function, though the small buttons are noted as a design drawback.
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