Yaesu
Yaesu SPA-1 100W Power Amplifier for FTX-1
Transform your Yaesu FTX-1 Field transceiver into a powerful base station with the SPA-1 100W Power Amplifier. This dedicated unit seamlessly integrates with your FTX-1, boosting output for extended range and enhanced signal strength. It features a built-in automatic antenna tuner for optimal impedance matching across HF and 50MHz bands, ensuring peak performance. Additionally, a clear 2.5W speaker is integrated for comfortable monitoring. The SPA-1 offers dual HF/50MHz antenna terminals for versatile setup, making it ideal for users who want a robust home operation capability without compromising their portable radio.
$649.95
Owner Satisfaction
4.4
/ 5
Category Rank
574
/ 1072
#574 in Communication Radio Accessories
Price vs Category Average
+551%
Above average
Power Output (HF/50MHz)
100
/ W
Who it's for
- Significant Power Increase
- Seamless Yaesu Integration
- Compact QRO Solution
Who should skip it
- High Supplementary Cost
- Increased Setup Complexity
- Thermal Management Concerns
Key Specs
Power Output (HF/50MHz)
100W
Power Output (VHF/UHF)
50W (144MHz and 430MHz)
Tuner
Built-in HF/50MHz Automatic Antenna Tuner
Speaker Output
Built-in 2.5W Speaker
Antenna Terminals
Dual HF/50MHz
Compatibility
Designed for Yaesu FTX-1 Field transceiver
Frequency Range
HF/50MHz, 144MHz, 430MHz
Output Power per Channel
100.0 watts
Features
- Unlocks 100W HF and 50W VHF/UHF power
- Integrated automatic antenna tuner
- Built-in speaker for clear audio
- Dual HF/50MHz antenna terminals
- Seamless FTX-1 integration
- Enhances transmission range
- Simplifies base station setup
What customers say
Customers highly value the Yaesu SPA-1 for its exceptional reliability and seamless integration with Yaesu QRP transceivers. Operators consistently report that the amplifier delivers its advertised 100 watts, significantly boosting performance for DX and difficult conditions. Its compact, robust build quality makes it an excellent choice for portable operations like POTA and SOTA activations. The primary focus is on its superior system synergy and dependable performance. While the premium price is noted, users prioritizing perfect brand integration consider it an essential accessory. Some mention heat during extended high duty cycles, but overall sentiment confirms it is a high-quality, dependable tool for serious QRP enthusiasts.
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