HF Amplifiers for Amateur Radio

A curated directory of resources for HF amplifiers, including reviews, buying guides, and technical information for amateur radio enthusiasts.

David
Reviewed by • Senior RF Engineer & Technical Editor • March 2026

HF amplifiers boost the power output of a transceiver, allowing operators to make stronger signals for DX contacts, contest operations, or to overcome challenging propagation conditions. These essential station components help hams achieve better signal-to-noise ratios at the receiving end, making their QSOs more reliable, especially on crowded bands or when working distant stations.

Many hams consider adding an amplifier to their station for improved performance on the HF bands. Operators can find detailed reviews of popular models like the Ameritron AL-82 or the Acom 1500, often including practical experiences and performance reports. There are also guides available to help hams understand key considerations when buying an HF high-power amplifier, covering aspects like tube versus solid-state designs and new versus used equipment.

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  • Cooling Modifications for Ameritron AL82, AL1200, AL1500 Amplifiers
    No votes
    Cooling Modifications for Ameritron AL82, AL1200, AL1500 Amplifiers — WD4NGB
    Cooling modifications for Ameritron AL82, AL1200, and AL1500 HF amplifiers to mitigate overheating during high-duty-cycle digital mode operation.
    AdvancedHF
  • HLA 300 Amplifier Review
    4.5/5 (2)
    HLA 300 Amplifier Review — PA0FRI
    In this survey some practical experiences were written down, that might become handy in case you are contemplating purchasing such an amplifier.
  • Acom 1500 HF+6M Linear Amplifier G6NHU Review
    No votes
    Acom 1500 HF+6M Linear Amplifier G6NHU Review — G6NHU
    The Acom 1500 HF+6M Linear Amplifier is a high-quality and user-friendly amplifier that provides excellent performance and reliability. G6NHU, who previously owned an Acom 1000, upgraded to the Acom 1500 after nine years and has been using it for about eighteen months. Key features highlighted include the ability to connect three antennas internally, straightforward tuning process, robust construction that can handle high SWR, quiet operation, fast and quiet switching for efficient CW operation, and clean output signal even when driven hard. G6NHU highly recommends the Acom 1500 and states they would not hesitate to purchase another one in the future.
  • Ameritron AL-82 Review
    4.3/5 (3)
    Ameritron AL-82 Review — NK7Z
    Review of Ameritron AL-82 HF amplifier, owned for three years now, and over that time, it has given me incredible performance on all bands. Inclueds a comprehensive usage report and a summary on Pro and Cons of this amateur radio RF amplifier
  • Buying an HF High Power Amplifier
    2.5/5 (2)
    Buying an HF High Power Amplifier — N0CU
    This document provides a comprehensive guide on purchasing high-frequency (HF) high-power amplifiers, discussing key considerations such as new versus used models, tube versus solid-state technology, and troubleshooting common issues. It emphasizes the importance of understanding power needs for activities like DX chasing and contesting, alongside practical tips for selecting and maintaining amplifiers to ensure reliability and performance in various conditions.