PHILIPS QBL5-3500 High Frequency Power Tetrode Giant Pin QBL5/3500 Base
( Brand: Philips ), ( Manufacturer Part Number: QBL5/3500 ), ( Type: Power Tubes ), ( Unit Type: Unit ), ( Country/region Of Manufacture: Netherlands )
Review PHILIPS Qbl5/3500 High Frequency Power Tetrode Super Giant Pin Base
Philips QBL5/3500 High Frequency Power Tetrode Giant Pin Base
The Philips QBL5/3500 High Frequency Power Tetrode Giant Pin Base is a testament to Philips' commitment to delivering high-quality vacuum tubes that cater to a wide range of audio applications. This powerful vacuum tube, with its distinctive giant pin base design, is specifically engineered to deliver exceptional performance, making it an ideal choice for audiophiles and professionals alike.
The QBL5/3500 is a high-frequency power tetrode, which means it excels in applications requiring high power output and linearity at higher frequencies. This tube's tetrode configuration provides a balance between power and efficiency, ensuring that it can drive even the most demanding speaker loads with ease.
The giant pin base design of the QBL5/3500 allows for optimal heat dissipation, ensuring the tube operates at its peak efficiency for an extended period. The sturdy construction, coupled with the large pin base, provides stability and durability, making it suitable for high-intensity use.
In terms of technical specifications, the Philips QBL5/3500 operates at a plate voltage of 350V and a plate current of 100mA. It has a maximum power output of 15 watts and a maximum plate dissipation of 525 watts. The tube's heater voltage is 6.3V, and it requires a heater current of 600mA to reach its operating temperature.
In conclusion, the Philips QBL5/3500 High Frequency Power Tetrode Giant Pin Base is a versatile, high-performance vacuum tube that offers exceptional power, linearity, and efficiency. Whether you're a seasoned audiophile or a professional in the audio industry, the QBL5/3500 is an excellent addition to your equipment, providing you with the rich, immersive sound you've been seeking.
The Philips QBL5/3500 High Frequency Power Tetrode Giant Pin Base is a high-powered vacuum tube commonly used in various applications such as radio transmitters, oscillators, and high-frequency amplifiers. Let's examine its pros and cons to help you decide whether this vacuum tube is suitable for your needs.
Pros:1. High Power: The QBL5/3500 delivers 3500 watts of output power, making it an ideal choice for high-power applications.
2. High Frequency: This vacuum tube operates at high frequencies, making it suitable for use in RF (Radio Frequency) circuits.
3. Durable Construction: Philips is known for its quality products, and the QBL5/3500 is no exception. It has a robust construction that can withstand the demands of high-power applications.
4. Wide Applications: This vacuum tube can be used in various electronic devices, including radio transmitters, oscillators, and high-frequency amplifiers.
Cons:1. High Cost: Due to its high power rating and quality construction, the Philips QBL5/3500 is relatively expensive compared to other vacuum tubes.
2. Heat Generation: Like all vacuum tubes, the QBL5/3500 generates a significant amount of heat, requiring adequate cooling and ventilation in the device it is used in.
3. Vacuum Tube Lifespan: Vacuum tubes have a limited lifespan compared to solid-state devices. The QBL5/3500 may need to be replaced periodically.
4. Availability: Vacuum tubes, in general, are becoming less common due to the prevalence of solid-state technology. This can make finding replacement vacuum tubes, including the QBL5/3500, more challenging.
In conclusion, the Philips QBL5/3500 High Frequency Power Tetrode Giant Pin Base is a high-quality, high-power vacuum tube suitable for various applications. However, its high cost, heat generation, limited lifespan, and potential availability issues should be carefully considered before making a purchase.
If you require a high-power vacuum tube for RF circuits and can accommodate its associated costs, the Philips QBL5/3500 could be an excellent choice. If you are looking for a more cost-effective solution or are unsure about using vacuum tubes, you may want to consider alternative solid-state components for your project.
Details:
The QBL5/3500 has the same mechanical and electrical characteristics which are identical to 6076 Tube. This tube was pulled from working equipment and stored in a clean dry air conditioned basement shelf for several years. The Philips QBL5/3500 is a metal and glass air-cooled R.F.
part #: qbl53500 prices
- $29.99-$475.00
specifications tubesocketvintagego:
- brand: Philips
- mpn: Qbl5/3500
- type: Power Tubes
- unit type: Unit
- country/region of manufacture: Netherlands
payments tubesocketvintagego:
- credit card: Diners-club
- other
- wallet: Apple-pay
seller tubesocketvintagego:
- city: Chicago, Illinois
- rating: 100.0%
- # reviews: 114
offer tubesocketvintagego:
- sold: 0
- options: Ship-to-home
- availability: In Stock
- best offers: True
- started: April 6, 2025
- quantity: 1
shipping tubesocketvintagego:
- type: Fixed
- transit: 4-10 Days
- class: Economy
- cost: $7.37
- carrier: FedEx
- service: FedEx Ground Economy
general tubesocketvintagego:
- condition: Used
- Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets
returns tubesocketvintagego:
- policy: No Returns
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