HF PROJECTS K500R Hfpa Qrp Ham Radio Amplifier Packer 2W 35W

( Brand: Hf Projects ), ( Manufacturer Part Number: K500R ), ( Type: Power Amplifier ), ( Supported Modes: Ssb, Qrp ), ( Band: Hf )

Review HF PROJECTS Packerv4 Hfpa Qrp Ham Radio Amplifier 2w In 35w Out

High-Performance HF K500R PackerV4 HFPA QRP Ham Radio Amplifier - 2W to 35W Adjustable Output Power

Experience unparalleled radio communication with the High-Performance HF K500R PackerV4 HFPA QRP Ham Radio Amplifier. This versatile and compact amplifier, designed for 2 meters and 70 cm amateur bands, is an essential tool for any serious ham radio operator.

The PackerV4, a fourth-generation design, is renowned for its exceptional efficiency and robust build quality. It boasts a dynamic adjustable output power range of 2W to 35W, allowing you to tailor your transmission to the specific requirements of your communication needs. This amplifier is an excellent choice for QRP (Low Power) and QRPp (Ultra-Low Power) operations, where conserving power is crucial.

The HF K500R PackerV4 is equipped with the High-Frequency Power Amplifier (HFPA) technology, ensuring superior linearity and minimal distortion, even at full power. This technology ensures that your transmissions are clear, strong, and reliable, making it easier to make contacts with fellow ham radio enthusiasts, both near and far.

The amplifier's compact size and lightweight construction make it incredibly portable, allowing you to take it with you on the go. Whether you're operating from a fixed station or a portable setup, the HF K500R PackerV4 is a reliable companion that delivers consistent performance.

With its user-friendly interface, the HF K500R PackerV4 is easy to set up and use, even for beginners. The amplifier features a front-panel power meter, making it simple to monitor your output power and ensure you're within the limits of your intended communication.

Invest in the High-Performance HF K500R PackerV4 HFPA QRP Ham Radio Amplifier today and elevate your ham radio experience to new heights. Whether you're a seasoned operator or just starting out, this amplifier is an invaluable addition to your equipment arsenal. Enjoy clear, strong, and reliable transmissions with the HF K500R PackerV4.

1. **Versatility:** This amplifier can operate on a wide range of frequencies, making it suitable for various HF bands used in amateur radio communication.

2. **Power Output:** The amplifier offers adjustable power output from 2 watts to 35 watts, making it suitable for QRP (Low Power) operation as well as for those who need more power.

3. **Compact Size:** The compact size of the amplifier makes it easy to transport and set up, making it ideal for field day operations or portable use.

4. **High Frequency (HF) Operation:** The HF band is ideal for long-distance communication, allowing you to connect with ham operators worldwide.

5. **Built-in Protection:** The amplifier features built-in protection against common issues such as over-current, over-voltage, and over-temperature, ensuring the longevity of the device.

1. **Power Consumption:** At higher power settings, this amplifier consumes a significant amount of power, which might be a concern for those who are power-sensitive.

2. **Complexity:** Compared to some simpler QRP amplifiers, the HF K500R PackerV4 might be more complex to set up and operate, especially for beginners.

3. **Cost:** This amplifier might be more expensive than some other QRP amplifiers on the market, which could be a consideration for budget-conscious ham operators.

The HF K500R PackerV4 HFPA QRP Ham Radio Amplifier offers a good balance of power, versatility, and compactness, making it a solid choice for amateur radio operators. However, its power consumption and cost might be a concern for some. If budget is a primary consideration, one might consider a less expensive QRP amplifier. On the other hand, if power and versatility are the top priorities, the HF K500R PackerV4 HFPA QRP Ham Radio Amplifier is a good choice. It's recommended to weigh the pros and cons based on your specific needs and budget before making a purchase decision.

Details:

Specs on the device: 2.5 W RF In. CW - SSB Digital. In fair physical condition. Built-in Low-Pass Filter.

HF Projects Packer Amp. Comes with short cable power pole connector attached.

part #: k500r prices

• $89.99-$302.10

specifications hamamateuradio:

• brand: Hf Projects
• mpn: K500r
• type: Power Amplifier
• supported modes: Ssb, Qrp
• band: Hf

payments hamamateuradio:

• credit card: Diners-club
• other
• wallet: Apple-pay

shipping hamamateuradio:

• transit: 3-7 Days
• service: USPS Ground Advantage
• cost: $8.98
• carrier: USPS
• type: Calculated
• class: Standard

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Amplifiers

returns hamamateuradio:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

offer hamamateuradio:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: October 23, 2025
• quantity: 1

seller hamamateuradio:

• city: Yuma, Arizona
• # reviews: 1436
• rating: 100.0%

Hf Projects K500R Is Similar To:

• 0k-145 C-8364 Tsc-60 Collins Radio Rockwell Military Aircraft Hf Control (21.9% similar) Testing cosmetic notes: this is a unknown condition item in fair that not tested and sold as-is guaranteed unit shows several wear, scratches, cracks, dent on the exterior. 00LBS start: 99. This is not a reflection of the condition item. At template rounded right bottom. Template rounded left bottom...(October 29th, 2018)
• Trio Amplifier 160m-10m Tl922 Kenwood Hf (31.6% similar) Excellent low time TL922 trio with factory 10M. Improved grid grounding, new, superior band switch, AG6K parasitic suppressors, etc. It's wired for 220 but can be easily switched to 120V call for detailed photos and further info. Call me for details before buying Michael PST. This TL922 is a 9 with ...(February 23rd, 2015)
• 1kd5 Henry 1kw Hf Amplifier (31.7% similar) 5KV on the plate meter and tube lit up. Before the fuse blue. That is as far the testing went. It popped the fuse and I could hear arching from area of filter caps. This is quite a find for someone who appreciates quality built and doesn't mind little work. These amps are built like a tank and ...(October 17th, 2017)
• 2100f Nice 80-15 Hf Meters Yaesu Fl Amplifier Linear (41.3% similar) Not tested, appears to operate. Was part of an estate. Looks un modified and original. No warranty, no return. Tubes light, fans run, HIV comes up immediately. A nice clean used amp...(June 10th, 2015)
• 30-l1 Collins Hf Amplifier (30% similar) Have for sale a very nice Collins 30L-1 winged emblem serial number RF connection is n type. It comes with 4 new 811AS tubes. Drive power is 70 to 100 watts for full output. The Collins 30L-1 has 1000 watts pep power input on ssb and average cw 80, 40, 20, 15 10 meters. Specs include. Power ...(September 18th, 2018)
• 30k-5 Collins 2-channel Hf Ham (25% similar) James wrinkle finish looks doesn't look too bad. The unit does not have optional 174V-2 relay or 177L-2 remote control unit, but it rare fan kit, part number 30MHZ serial 95 this transmitter was acquired from a gentleman who had stored in his garage for over 40 years. Overall, we feel this is a ...(August 24th, 2017)
• Cw Linear Watts Amplifier Gear Ham 1 Collins 30l-1 Ssb Hf Input Classic 000 (27.8% similar) Comes with original documentation see pics. Requires 15 amps at 115 vac or inches high, inches wide, inches deep overall weighs 38 lbs. Now setup for 115 vac. Very clean see pics. Purchased a few months ago but live in a restricted community and unable to use due to lower power antennas. 5 amps at ...(March 3rd, 2015)
• Linear Ham Vintage Collins 30s-1 Amplifier Hf (35.3% similar) Tested to power on. No further testing done...(March 5th, 2015)
• 32v-3 Collins Radio Transmitter Hf (27.8% similar) I last saw him transmit on it about 40 years ago. Its old ,dirty, has been in my fathers barn for many years. I have recently purchased four new 807 rubes and are included with the 32V-3. I opened it long enough to see was more than could handle bringing back life. All I know is that with a lot of ...(September 21st, 2017)
• 3cpx800a7 Eimac Ham Radio Hf Vhf Amplifier Tube (46.3% similar) I unfortunately have no way to test these for output so am selling them as-is. This listing is for one of the five 3PX800A7 amplifier tubes I have up sale. I purchased these years ago for an amplifier project wanted to work on however found a different that uses tubes and really enjoy it so are now ...(October 17th, 2018)
• Amplifier Fm Hf Shortwave Ham Cw Ssb 4-1000a Radio Linear (21.4% similar) This is a very nice amp, built for continuous duty at full legal output with plenty of headroom. I am re listing now due to a scheduling conflict between myself and the previous winner. More on the lower bands is approximately 1KW with 100W input, and follows a roughly amplification factor ratio. I ...(February 24th, 2015)