Altec Lansing 3000H (1967)

A horn-type tweeter unit released in 1967, designed for high-frequency reproduction from 3 kHz to 20 kHz.

Overview

The Altec Lansing 3000H is a horn-type tweeter unit manufactured by Altec Lansing and released in 1967. Designed for use in professional and high-fidelity audio systems, it features a frequency response range of 3 kHz to 20 kHz and handles up to 35 watts of input power. It has an 8 Ω nominal impedance and is intended to be used with the N3000E adaptive network. The unit’s directional characteristics are 90° horizontally and 40° vertically, providing controlled high-frequency dispersion.

Specifications

Type	Horn type tweeter
Frequency characteristic	3 kHz to 20 kHz
Allowable input	35W
Adaptive network	N3000E
Directional property Horizontal	90°
Directional property Vertical	40 degrees
Impedance	8 Ω
External dimensions	79 mm wide x 54 mm high x 77 mm deep
Weight	0.36

Design

The 3000H is a horn-type tweeter unit using a multi-seller horn design. The horn itself is constructed from zinc die-cast material, contributing to its durability and acoustic performance.