Acoustic Research AR-8BX

A compact, affordable bookshelf speaker from Acoustic Research’s late-era lineup, noted for solid build and accessible sound.

Overview

The Acoustic Research AR-8BX is a passive, standmount loudspeaker system introduced in the mid-1980s. Described in New York Times (November 24, 1985) as an "excellent low-cost model," it was priced at $100 per pair at the time of its release. The speaker features a 2-way design with drivers arranged in a vertical array within an acoustic suspension enclosure of 9.8 liters volume. Measuring 394 × 244 × 189 mm, or approximately 15.5 × 9.6 × 7.4 inches, the AR-8BX has a compact footprint suited for bookshelf or stand placement. It weighs 5.7 kg (about 12.6 lbs) per cabinet and is finished in walnut grain vinyl.

Design

The AR-8BX employs Acoustic Research’s signature acoustic suspension principle, which uses a sealed cabinet to control woofer movement via air pressure, resulting in tighter bass response compared to ported designs of the era. The system’s drivers are mounted in a vertical array,

Context

Positioned as an entry-level offering, the AR-8BX Its mention in a 1985 New York Times article highlights its recognition as a value-oriented option

Market

Original pricing was $100 per pair, as reported in 1985. Today, replacement parts such as woofers and tweeters occasionally appear on secondary markets like eBay and Worthpoint, indicating limited but ongoing support among vintage audio enthusiasts. No official documentation or service manuals are known to exist, and full restoration may require component-level sourcing.

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Service Manuals, Schematics & Catalogs

Catalog — archive.org
Catalog (1968) — archive.org