Onkyo TX-8500 (1976–1978)
A high-end quartz-locked stereo receiver from Onkyo’s 1970s flagship line.
Overview
The Onkyo TX-8500 is a stereo receiver produced from 1976 to 1978, positioned as Onkyo's top-of-the-line model during its release. Marketed as a "quartz locked" receiver, it was part of the "monster receiver" era, known for high power output and precision tuning. The model was offered in MkI and MkII versions, with the MkII noted for continued use in modern setups via analog connections.
Specifications
| Power output | 110 watts per channel into 8Ω (stereo) |
| Total harmonic distortion | 0.1% |
| Tuning range | FM, MW |
| Original price | Approx. 3,500 DM (1976–1978) |
Design
The TX-8500 features a quartz-locked tuning system, designed to provide stable and precise frequency reception.
Context
The TX-8500 was Onkyo's flagship receiver at the time of its release, representing the brand's highest engineering standards in the mid-to-late 1970s.
Market
Listings for the TX-8500 MkI have appeared at approximately EUR 1,400.00, with some units advertised as serviced. Owners have noted the need for veneer restoration on earlier models, particularly the MkI.
eBay Listings
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