Altec 603B

Name: Altec 603B
Brand: Altec

A coaxial "Duplex" driver combining high- and low-frequency units in a single assembly.

Overview

The Altec 603B is a coaxial speaker driver developed by Altec Lansing, part of their "Duplex" driver line. It integrates both high-frequency and low-frequency units into a single coaxial design, allowing for a more compact speaker system with aligned sound sources. Introduced as part of a series of classic models, the 603B shares lineage with other well-regarded drivers like the 604 and 605. While specific production years and technical details are not available, it represents an early implementation of coaxial loudspeaker technology pioneered by Altec.

Design

The 603B is a "Duplex" driver, meaning it combines high-frequency and low-frequency units in a coaxial arrangement.

Context

Duplex drivers were first introduced by Altec Lansing in 1943, marking a significant development in professional audio speaker design. The 603B is part of this historic product line and is recognized as a "Classic Model" within Altec’s driver family, alongside other notable units such as the 604 and 605.

Market

Vintage Altec drivers are highly prized by collectors, reflecting strong interest in the brand’s classic loudspeaker designs. Specific pricing, condition trends, or failure modes for the 603B model were not found in the available research.

eBay Listings

Check Altec 603B on eBay

As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.