PA500 Ultra-Compact RF Amplifier with Tuner
Available on backorder
The PA500 linear amplifier from DIY599 is tailored for adventures and extremes. 60W* peak power and an integrated automatic antenna tuner enclosed in a signatured and robust aluminum body makes it ideal for the outdoors, preparedness and digital emergency radio communication.
This is the new version which has a programmable 3dB attenuator on the input side.
NOTE: we are not able to ship this item to the USA!
1,149.00 €
Available on backorder
PA500 Features
- Automatic band selection
- Compatible to most Transceivers
- RF-VOX support
- Covers most HAM SW Bands
- RF Power up to 60W
- Integrated automatic tuner
- Programmable 3dB attenuator on the input side for 10W radios
PA500 Unique Form-Factor
Discovery TX-500 Transceiver from Lab599 inspired the design of the PA500. It is basically made for the TX-500 but it will work nicely with other Radios as well. The thickness of the PA500 is just 30mm and allows you to operate from anywhere you like.
The PA500 body is made of CNC milled durable anodized aluminum, made for extreme operation, perfect for contest work on the go.
PA500 RF Low Pass Filters
The PA500 has five separate low pass filter banks for the specific band regions. RF Filters made with superior ferrite toroidal cores and precision high voltage capacitors. The harmonic distortion suppression are >43dB below the carrier signal depends on the selected frequency band.
PA500 Integrated Automatic Antenna Tuner
PA500 has an integrated automatic antanna tuner for most of the operating frequencies to tune a suitable antenna between the 80m and 10m band.
PA500 Video Review by OH8STN
PA500 Video Setup Guide by OH8STN
PA500 Technical Specifications
- Up to 60W RF peak Power (depends on the mode and operating frequency)
- Max. input drive level: 5W (selectable 3 dB attenuator for 10W transceivers)
- 80 – 10m HAM bands
- All modes: SSB, CW*, AM*, FM*, DIG*
- Current drain up to 10A@13.8V
- Ultra-compact size (HWD): 30mm X 207mm X 90m (incl. heatsink)
- Weight: 0.9Kg
- Harmonic / Spurious Outputs > 43dB below carrier
- RF-VOX support
- Luning impedance 25-250 Ohms (e.g.80m)
- 6×6 L-match type tuning network
- CE Compliant and FCC certified
*reduced power
Hardware Updates
- FEB 2023: Added 5th band filter for digital operation on 30m. Changes have also been made to improve efficiency.
- AUG 2024: Programmable 3dB attenuator added on the input side for use with 10W transceivers.
The PA500 linear RF amplifier with integrated tuner from DIY599 is created with love to perfection. It is the perfect addition for your QRP, preparedness and emergency radio communication needs!
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Zoltan Gabor Molnar (verified owner) –
I’m extremely satisfied with both the DIY599 PA-500 linear amplifier/antenna tuner and the customer service I received during the purchase.
I bought the amplifier to pair with my Lab599 Discovery TX-500 transceiver, and it’s a perfect match—both visually and in terms of technical performance. Operation is effortless, especially in fully automatic mode. I also want to highlight the instruction manual: it is exceptionally well structured, thorough, and genuinely helpful. It’s rare to come across documentation of this quality.
Customer service was equally outstanding—responsive, flexible, and solution-oriented. I received fast, clear answers to every question. That level of support is probably helped by the fact that Pileup isn’t just a dealer, but also a radio amateur who treats customers like fellow operators.
All in all, both the manufacturer and the distributor deliver exactly what you would expect from true German and Swedish professionals. Highly recommended.
Zoltan Gabor Molnar –