
( Brand: Heathkit ), ( Model: HP-20 ), ( Part Type: Supply Tube Amplifier Radio )
The Heathkit HP-20 Tube Power Supply is a vintage yet highly functional piece of equipment, perfect for radio enthusiasts, ham radio operators, and electronics hobbyists. This 6.3VAC power supply is a relic from the bygone era of tube technology, but its performance and reliability are still highly valued today.
The HP-20 is rated for an output voltage of 600V, 300V, and 130V, making it versatile enough to power a wide range of tubed equipment. It also boasts a maximum current output of 8 amps, ensuring that your devices receive the power they need to function optimally.
The Heathkit HP-20 is built to last, with a robust construction that features a high-quality transformer and filter capacitors. The power supply is housed in a sturdy metal chassis, which not only provides excellent heat dissipation but also adds to its vintage appeal.
The HP-20 features multiple voltage taps, allowing you to select the exact voltage required for your specific tubed device. It also includes a variety of safety features, such as overvoltage and overcurrent protection, to ensure that your equipment is always protected.
The Heathkit HP-20 Tube Power Supply is a must-have for anyone who values the rich history of tube technology and appreciates the unique sound and performance that tubed equipment can provide. Whether you're restoring a vintage radio, building a ham radio station, or simply tinkering with electronics, the HP-20 will provide the reliable power you need.
Pros of buying a Heathkit HP-20 Tube Power Supply:1. High Voltage Capability: The HP-20 provides a maximum output of 600V, 300V, and 130V, making it suitable for a wide range of tube amplifiers and radio sets.
2. Ample Current: With an output current of 8A, it can power heavy-duty tube equipment without overheating or failing.
3. Built for Durability: Heathkit is known for producing high-quality, durable electronics. The HP-20 is no exception, with heavy-duty components and a robust construction.
4. Versatility: The HP-20 can be used for a variety of applications, including amateur radio, audio amplifiers, and even some vacuum tube-based oscilloscopes.
5. Reputable Brand: Heathkit has a strong reputation in the electronics community, and the HP-20 is a well-regarded product within their lineup.
Cons of buying a Heathkit HP-20 Tube Power Supply:1. Size and Weight: Due to its robust construction and high voltage capabilities, the HP-20 is a large and heavy piece of equipment. This may make it difficult to transport or find a suitable location to use it.
2. Price: While not excessively high, the HP-20 is not an inexpensive power supply. Those on a tight budget may find other options more affordable.
3. Limited Modern Functionality: The HP-20 is a vintage piece of electronics, and as such, it may not have the same level of modern features or safety mechanisms as more modern power supplies.
4. Potential for Danger: Handling high voltage equipment can be dangerous if not done properly. Improper use or maintenance of the HP-20 could potentially result in injury or damage to equipment.
Conclusion:The Heathkit HP-20 Tube Power Supply is a high-quality, durable, and versatile piece of equipment that can power a wide range of tube-based electronics. Its high voltage and current capabilities make it a strong choice for heavy-duty tube amplifiers and radio sets. However, its size, weight, and price may be prohibitive for some potential buyers. Additionally, the HP-20 is a vintage piece of equipment, which means it may lack modern features and safety mechanisms.
Recommendation:If you're looking for a high-quality tube power supply and have the space and budget for the HP-20, it's a solid choice. However, if you're looking for something more modern, more affordable, or easier to transport, there may be other options available that better suit your needs. Always ensure proper safety precautions are taken when handling high voltage equipment.
The components look to be in good physical shape. 6 VCR 4 amps or.
It also has dual 6. 3vac filament winding's that can be configured for 12. 3vac 8 amps. Cosmetically it is in fair to good condition, there are scrapes and blemishes the paint no bottom plate.
Due to its age it should be checked out first by someone familiar with this type of equipment before regular use, may need some the capacitors replace. It provides 3 dc outputs 600vdc at 200ma for the transmitter, 300vdc 100ma receiver and 130vdc bias supply. A schematic is provided.
800x600 up for offer is a Heathkit model HP-20 utility power supply that was used with some of the mobile transceivers, transmitters and receivers. This power supply was made from 1961 through the has been bench tested, it brought up with a Mauriac and run for short time to verify output voltage s were all present.