Altec Lansing 892A Madera (1970)

A bookshelf speaker system introduced in 1970, featuring a sealed cabinet design with a 25 cm cone woofer and horn-type high-frequency unit.

Overview

The Altec Lansing 892A Madera is a bookshelf speaker system manufactured by Altec Lansing and released in 1970. It features a 2-way, 2-speaker configuration in an airtight cabinet design. The system was designed for high-fidelity audio reproduction, using a large 25 cm cone woofer for low frequencies and a horn-type driver for highs. It was marketed in Japan with an initial price of ¥124,100 per unit, later revised to ¥130,700.

Specifications

System type	2-Way, 2-Speaker, Airtight Type, Bookshelf Type
Low frequency unit	25 cm Cone Type (406-8C)
High frequency unit	Horn Type
Impedance	8 Ω
Frequency characteristic	45 Hz to 18 kHz
Allowable input	50W
Crossover frequency	2.5kHz
External dimensions	Width 610x Height 330x Depth 300 mm

Design

The cabinet uses a sealed (airtight) system to control bass response. The low-frequency section employs a 25 cm cone woofer, model 406-8C. For high frequencies, it features a horn-type unit with a newly developed vertically long aluminum die-cast exponential horn and a characteristic compression driver.

Market

The Altec Lansing 892A Madera was priced at ¥124,100 at launch in 1970, later increased to ¥130,700 following a price revision.

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