Unleash the Power: HARDROCK-50 HF Power Amp Review

Table of Contents

1. Introduction
2. Overview of the Hard Rock 50 Amplifier
3. Features of the Hard Rock 50 Amplifier
4. Building the Hard Rock 50 Amplifier
5. Testing the Hard Rock 50 Amplifier
6. Using the Hard Rock 50 Amplifier with an SDR Radio
7. Optional ATU Installation
8. Power Output Performance of the Hard Rock 50 Amplifier
9. Review of User Experiences
10. Conclusion

Introduction

Welcome to this in-depth review of the Hard Rock 50 Amplifier. In this article, we will explore the features, performance, and user experiences of this 50 W HF amplifier. Designed and manufactured by HobbyPCB, the Hard Rock 50 Amplifier offers a wide frequency coverage, solid build quality, and the option of kit assembly. Whether You are a seasoned amateur radio operator or a beginner looking to boost your signal, the Hard Rock 50 Amplifier may be the perfect addition to your setup. So, let's dive into the details and see what this amplifier has to offer.

Overview of the Hard Rock 50 Amplifier

The Hard Rock 50 Amplifier is a 50 W HF amplifier that covers frequencies from 160 m up to the 6 M handband. Manufactured by HobbyPCB, this amplifier stands out for its robust construction and reliable performance. Unlike some other amplifiers on the market, the Hard Rock 50 arrives in kit form, meaning you will need to assemble it before use. However, this allows for a more personalized and rewarding experience, especially for those who enjoy building their own equipment.

Features of the Hard Rock 50 Amplifier

The Hard Rock 50 Amplifier boasts a range of features that make it a versatile and user-friendly option for amateur radio enthusiasts. The front panel of the amplifier includes three push buttons, a status LED, a power switch, and an LCD display. The LCD display provides information such as SWR, power output, and the currently selected band. The rear panel features two SO-239 sockets, one for RF input and one for RF output, as well as a DC input, a USB socket for firmware updates, a PTT control, and a DB9 socket for radio interfacing.

Building the Hard Rock 50 Amplifier

One of the unique aspects of the Hard Rock 50 Amplifier is that it comes in kit form, requiring some building before it can be used. This allows you to have a hands-on experience and gain a deeper understanding of the amplifier's inner workings. If you're a YouTube member or a patron, you'll even have access to an upcoming video that guides you through the assembly process. Building the Hard Rock 50 Amplifier can be an exciting project for DIY enthusiasts, but if you prefer a ready-to-use amplifier, this may not be the best option for you.

Testing the Hard Rock 50 Amplifier

In this section, we will focus on testing the features and functions of the Hard Rock 50 Amplifier. For the test, we will be using a Hermes Lite 2 SDR transceiver. The amplifier's solid build quality is apparent, with the top half consisting of a heat sink that ensures efficient heat dissipation. The front panel includes three push buttons, a status LED, a power switch, and an LCD display. The LCD display provides essential information such as SWR, power output, and the currently selected band.

Using the Hard Rock 50 Amplifier with an SDR Radio

One of the standout features of the Hard Rock 50 Amplifier is its compatibility with SDR radios. By connecting the Hermes Lite 2 SDR transceiver to the amplifier via a DB9 connector, you can seamlessly change the amplifier's band as you switch bands on the software. This feature offers a convenient and integrated approach to operating your radio setup. The HR50 also supports RF sensing, allowing for manual operation without any radio interfacing. The hang time can be adjusted to suit your preferences.

Optional ATU Installation

For those looking to enhance the performance of their setup, the Hard Rock 50 Amplifier offers an optional ATU (Antenna Tuning Unit) installation. With the ATU installed, you can optimize the matching between your antenna and the amplifier, ensuring maximum power transfer and reduced SWR. The amplifier's menu allows adjustment of various ATU settings, catering to different demands and operating conditions. If you choose to install the ATU, you will have access to additional options and flexibility in your transmission setup.

Power Output Performance of the Hard Rock 50 Amplifier

In terms of power output, the Hard Rock 50 Amplifier delivers impressive performance across the supported bands. Tests conducted using narrow FM and transmitting into a dummy load revealed that the amplifier consistently exceeded the specified power output levels. While the official rating indicates an output of 40 to 50 W on all bands, some measurements showed power levels well above 50 W, with the exception of the 20 M band, which was around 50 W.

Review of User Experiences

The Hard Rock 50 Amplifier has garnered positive feedback from users, with many praising its solid construction and reliable performance. Users have reported that the amplifier consistently delivers the specified power output, resulting in improved signal strength and increased communication range. Some users have also highlighted the ease of assembly and the satisfaction of building their own amplifier. However, it is worth noting that a few users have experienced minor issues, such as firmware update difficulties.

Conclusion

In conclusion, the Hard Rock 50 Amplifier offers amateur radio enthusiasts a robust and high-performance option for enhancing their HF communication capabilities. With its wide frequency coverage, solid build quality, and compatibility with SDR radios, this amplifier provides a versatile solution for both experienced operators and newcomers to the hobby. While the assembly process may not appeal to everyone, it offers a rewarding experience for those interested in DIY projects. Overall, the Hard Rock 50 Amplifier delivers reliable power output and flexibility, making it a recommended choice for those seeking to amplify their signals.

Highlights:

• The Hard Rock 50 Amplifier is a 50 W HF amplifier that covers frequencies from 160 m up to the 6 M handband.
• This amplifier is manufactured by HobbyPCB and is known for its robust construction and reliable performance.
• The Hard Rock 50 Amplifier arrives in kit form, requiring assembly before use, providing a personalized and rewarding experience for builders.
• Key features of the Hard Rock 50 Amplifier include three push buttons, an LCD display, support for SDR radios, and an optional ATU installation.
• Tests have shown that the amplifier consistently delivers power levels exceeding the specified output, offering improved signal strength and communication range.
• Users have praised the solid build quality and reliable performance of the Hard Rock 50 Amplifier, although a few minor issues have been reported.

FAQ

Q: Is the Hard Rock 50 Amplifier suitable for beginners?

A: While the Hard Rock 50 Amplifier offers excellent performance, it may not be the best choice for beginners due to the assembly required. However, it can be a rewarding project for those interested in building their own equipment.

Q: Can I connect the Hard Rock 50 Amplifier to an SDR radio?

A: Yes, the Hard Rock 50 Amplifier is compatible with SDR radios. By connecting the amplifier to the SDR radio, you can change the amplifier's band as you switch bands on the software.

Q: Does the Hard Rock 50 Amplifier support an optional ATU installation?

A: Yes, the Hard Rock 50 Amplifier offers an optional ATU installation. This allows you to optimize the matching between your antenna and the amplifier, resulting in improved performance and reduced SWR.