Onkyo SCEPTER-500 (1978–1980)

Name: Onkyo SCEPTER-500
Brand: Onkyo

A floor-standing statement of late-1970s Japanese high-end audio ambition, built like a fortress and finished in rich walnut.

Overview

The Onkyo SCEPTER-500 wasn’t just a speaker—it was a declaration. Built between 1978 and 1980, this massive floor-standing loudspeaker stood at the top of Onkyo’s Scepter series, a line that included the E-503 A, E-603 A, and E-804 A. At a time when Japanese audio companies were rapidly gaining global respect for their engineering rigor, the SCEPTER-500 embodied Onkyo’s commitment to quality construction and premium materials. Marketed in Japan at approximately 580,000 yen in 1978, it was positioned as a high-end offering for audiophiles who valued both performance and presence. With its imposing stature and elegant walnut finish, the SCEPTER-500 was designed to dominate a room not just sonically, but visually.

Specifications

Manufacturer	Onkyo
Model	SCEPTER-500
Product Type	Loudspeaker
Production Years	1978–1980
Dimensions	650 x 1296 x 624 mm (WxHxD)
Weight	97 kg
Colour	Walnut
Made in	Japan
Original Price	Approximately 580,000 Yen (Japan, 1978)

Historical Context

The SCEPTER-500 emerged during a period when Onkyo was solidifying its reputation for high-fidelity audio equipment built with meticulous attention to detail. It was part of the broader Scepter series, which included models like the Scepter E-503 A, Scepter E-603 A, and Scepter E-804 A, suggesting a deliberate push into the premium speaker market. While no direct contemporaneous reviews or technical documentation have surfaced, the speaker’s weight, size, and price point indicate it was intended as a flagship product. Later analysis of Onkyo’s business trajectory noted that the company prioritized manufacturing quality over market adaptability—a philosophy evident in a speaker like the SCEPTER-500, built to last in an era before disposable electronics.