AA40

Name: Heathkit AA40
Brand: Heathkit

Heathkit

AmplifiersPower AmplifiersTube AmplifiersDiscontinued

Estimated price (community-sourced)

$80

About the AA40

The Heathkit AA-40 is a stereo power amplifier delivering 40 watts per channel using EL34 tubes. It is a tube-based amplifier kit that was popular for its solid and clean sound quality. The amplifier features RCA inputs and uses two EL34 output tubes per channel driven by 6AN8 tubes in the preamplifier stage. It is known for its robust construction with substantial iron components and was originally95. The amplifier operates with plate and screen voltages on the EL34 tubes reaching around 520V when set to 230V mains. It includes balance and bias controls for tube matching and stability. The AA-40 is a classic vintage Heathkit product appreciated by tube amplifier enthusiasts for its performance and value.

Specifications

Key Specifications

Power: 40W

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