Altec 9442A
A stereo power amplifier made by Altec Lansing. It suits lower sensitivity speakers and came in an anniversary edition.
Overview
The Altec 9442A is a two-channel power amplifier from Altec Lansing. It came in a standard version and an "anniversary edition" variant. Some units are called the "Altec 9442A/SA." It puts out plenty of power for demanding speaker loads, and audiophiles have paired it with preamps like the Onkyo P3106. Exact production years aren't confirmed. The amp is still known in vintage audio circles for solid performance and for being easy to service.
Specifications
| Product type | Two Channel Power Amplifier |
| Manufacturer | Altec Lansing |
| Rated output power | 150 watts per channel into 4 ohms |
| Maximum input voltage | 7.775 V RMS |
| Input sensitivity for rated output | 0.775 V RMS into 4 ohms |
Market
Used units have been listed for sale at prices from $150 to $400. A restoration kit for the filter capacitors is sold new for $175.00 or €159.91, so parts support is still around. Common problems are one channel malfunctioning and a faulty protect circuit. Recapping is the known fix for age. A service manual covers repair and setup, including how to wire the transformer for 110V/120V or 220V/240V operation.
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