
( Brand: Mullard ), ( Manufacturer Part Number: UF85 ), ( Type: Tube )
The Mullard UF85 tube, hailing from the prestigious British electronics manufacturer, is a true gem in the world of audio technology. This particular tube, marked as a "New Old Stock" (NOS), has been carefully preserved since its original production, maintaining its original specifications and characteristics.
The Mullard UF85 is a dual triode vacuum tube, designed for use in various audio applications. It is known for its exceptional sound quality, characterized by a rich, warm tone and a high level of detail. The tube's dual triode design allows for both amplification and mixing functions, making it versatile and useful in a variety of audio setups.
This tube is made with high-quality materials and strict manufacturing standards, ensuring consistency in performance and long-term reliability. The Mullard UF85 is a testament to the craftsmanship and engineering prowess of the British electronics industry in the mid-20th century.
In terms of specifications, the Mullard UF85 operates on a voltage of 6.3V, with a current of 250mA. It has a plate resistance of 3.2k and a grid leak resistance of 50k . The tube's maximum plate dissipation is 1.2W, making it suitable for use in low-power applications without compromising sound quality.
If you're a vintage audio enthusiast, a DIY audio builder, or simply someone who appreciates the unique sound of tubes, the Mullard UF85 is a must-have in your collection. Its authentic British heritage, combined with its exceptional performance, makes it a standout choice among tubes.
Pros of buying Mullard UF85 tubes (Great Britain NOS):1. High Quality: Mullard is a renowned brand in the vacuum tube industry, known for producing high-quality tubes. These NOS (New Old Stock) tubes are often in excellent condition, having been stored properly and never used.
2. Vintage Sound: Mullard tubes, especially those from the 60s and 70s, are known for their warm and rich sound. They can add a distinctive character to your audio equipment, especially in vintage amplifiers.
3. Durability: NOS tubes, like the Mullard UF85, are often more durable than modern tubes due to their superior materials and craftsmanship. They can last longer and provide consistent performance.
4. Collectability: Vintage tubes like these can also be collectible items, adding value to your audio setup and potentially increasing its resale value.
Cons of buying Mullard UF85 tubes (Great Britain NOS):1. Higher Cost: NOS tubes, especially high-quality ones like Mullard, tend to be more expensive than modern tubes. This can make them a significant investment.
2. Limited Availability: Due to their age and limited production, NOS tubes can be harder to find and may require more effort to source.
3. Compatibility Issues: While many vintage and high-end audio equipment is designed to work with NOS tubes, some modern equipment may not be compatible. It's important to check the specifications of your equipment before purchasing.
4. Power Consumption: Vintage tubes, including the Mullard UF85, can consume more power than modern tubes. This can increase your electricity bill and may also require a more powerful power supply.
Conclusion:If you're an audiophile looking for a rich, warm sound and are willing to invest in a high-quality, durable product, then the Mullard UF85 tube (Great Britain NOS) could be a great choice for you. However, you should consider the higher cost, limited availability, potential compatibility issues, and increased power consumption before making a purchase.
Recommendation:If you decide to buy Mullard UF85 tubes, it's recommended to buy them from a reputable source to ensure their authenticity and quality. It's also a good idea to check your audio equipment's specifications beforehand to ensure compatibility.
For sale is a lot of 2 vintage Mullard UF85 tube great britain rare nib nos the box shows wear, soiled, torn flaps and tape etc. These tubes are untested, though guarantee to work. Some of the markings are partially rubbed off. These tubes came from a local estate and the owner was amateur radio ham user.