Bose 501 Series I

A Direct/Reflecting® speaker from Bose, designed for home use, part of the 1970s–80s 301/501 Series that brought Bose's acoustic research to a broader market.

Overview

The Bose 501 Series I is a Direct/Reflecting® speaker produced by Bose Corporation. It was one of the first loudspeaker models Bose designed and produced for the mass market. Unlike demonstration-focused audio gear, the 501 Series I was specifically designed for home listening environments. It belongs to the Bose 301/501 Series, a line of conventional bookshelf and floor-standing speakers that made Bose's acoustic innovations accessible to a wider audience during the 1970s and 1980s.

Specifications

Frequency Response35Hz to 16kHz
Crossover Frequency1500/2500Hz

Design

The Bose 501 Series I uses Bose's Direct/Reflecting® speaker design, which aims to simulate natural sound dispersion by radiating sound both directly toward the listener and indirectly toward room surfaces. It was engineered specifically for home use rather than showroom demonstration.

Context

The 501 Series I was part of the broader Bose 301/501 Series lineup from the 1970s–80s, representing Bose’s effort to bring its acoustic research to mainstream consumers. These speakers were among the most popular models in Bose’s history, helping establish the brand in home audio.

Market

A pair of Bose 501 Series I speakers sold for $575 in October 2011, according to an Audio-Ho-Ho listing. Replacement woofers are still marketed as compatible with the 501 Series I and II, indicating ongoing support from third-party parts suppliers.

eBay Listings

Bose 501 SERIES I vintage audio equipment - eBay listing photo 1
PAIR BOSE 501 Series I Vintage 1977 Speakers Tested and Wor
$300
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