Guide to Amateur Radio Amplifiers 2026: Part 2: Linear Power Amplifiers from OM Power

In Part 1 of OnAllBands’ Guide to Amateur Radio Amplifiers 2026, we highlighted the full lineup ACOM amplifiers. Today, we’ll be looking at another premier manufacturer of high-performance linear amplifiers trusted by operators the world over—OM Power.

DX Engineering is the exclusive North American distributor of products from OM Power, a company that has been helping contesters and DXers reach their goals since 2004. Founded by amateur radio enthusiasts in Slovakia, where the company is headquartered, OM Power has grown to become a leader in producing legal-limit tube amplifiers.

With More Power Comes Greater Responsibilities

If you’re updating your station with an amplifier like those from ACOM or OM Power, there may be other upgrades you’ll need to consider. Take a moment to read this excellent OnAllBands article from Mark, K8MSH, “I’ve Got the Power: What Else Do I Need” regarding electrical power requirements, station grounding and bonding, coaxial cable ratings, antenna tuners, cooling and ventilation, RFI control, and other issues you may need to address when adding an amplifier.

OM Power’s Powerful Lineup

ham radio rf amplifier — (Image/OM Power)

rear view of a ham radio rf amplifier — (Image/OM Power)

OM Power’s compact manual and auto tuning HF, HF+6, HF+MARS, and HF+6+MARS amplifiers feature:

One or two FU-728F ceramic tetrode tubes (other than the 3501A model, which has one GU78B tube) capable of providing stable, full legal-limit all-mode output power
4.3-inch color touchscreen and front panel indicators that let users view the amplifier’s operational status and provide fast access to advanced features and settings
Easy maintenance; efficient cooling, even during long on-air sessions; and simplified troubleshooting thanks to built-in memory for faults and warnings
Advanced protection circuits that safeguard against high SWR, excessive current, voltage errors, excessive temperatures, and more
Full break-in CW capability (QSK) as a distinguishing feature in all OM Power amplifier models
Built-in full band change or frequency reading compatibility for modern transceivers; RF sense band change support for legacy transceivers; automatic antenna switching for up to ten antennas; and remote-control operation via LAN and PC program download (auto tune models)

DX Engineering carries these OM Power linear amplifiers.

OM Power 3501-A HF Auto Tune 1,500W+ Linear Amplifier. (Image/OM Power)

NOTICE: The legal operation of any linear amplifier within the applicable regional or country amateur radio regulations is the responsibility of the licensed operator.

Also check out the OM Power OM6BPF Bandpass Filter, featuring six individual high-Q hand-tuned bandpass filter boards covering 160, 80, 40, 20, 15, and 10 meters. It removes unwanted interfering noise and signals from all but the single band selected for operation. Also enjoy ultra-quiet reception while eliminating out-of-band emissions from the transmitted signal.