Altec N-809-8A

An 800Hz attenuator-crossover network used in Altec A7 speaker systems.

Overview

The Altec N-809-8A is a crossover/dividing network made by Altec. It works as both an attenuator and a crossover, and it was built for Altec A7 speaker systems. The crossover frequency is 800Hz, and it is made for 8-ohm speaker loads. It was likely used in musical instrument and public address (MI/PA) work, since it belongs to the professional audio systems of the era.

Specifications

Crossover frequency	800Hz
Impedance	8 ohms

Design

The N-809-8A has an attenuator section and is made to fit the Altec A7 system. A schematic diagram exists for the unit, so the internal layout and signal routing are documented. Detailed component specifications are not available.

Market

A recent listing showed a retail price of $525.00 (US) for the unit. One owner remarked there is "not much to restore really," which suggests it is simple to maintain. Forum members are still asking for technical details on it.

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