MOTOROLA 8447 Double Diode Triode Nos Vacuum Tube
( Brand: Motorola ), ( Model: 8447 ), ( Country/region Of Manufacture: United States ), ( Type: Nos Tube )
Review MOTOROLA Double Diode Triode Nos Nib Vacuum Tube Untested
The 8447 Motorola Double Diode Triode Vacuum Tube is a vintage electronic component that harks back to the golden age of radio and early television. This tube is a dual-triode vacuum tube, which means it contains two triode sections in a single glass envelope, making it an efficient and space-saving solution for applications requiring two independent amplification stages.
The 8447 is a specific type of double triode known for its high gain and low noise characteristics, making it an ideal choice for use in audio amplifiers, oscillators, and other high-fidelity applications. Each triode section in the 8447 is rated for a maximum plate dissipation of 10 watts, providing ample power for driving speakers or other loads.
The 8447 is a direct-heated vacuum tube, which means it uses a filament to generate the heat required for operation. The filament is typically operated at a voltage of 6.3 volts and a current of around 0.4 amperes, and the tube itself requires a relatively high voltage of around 300 volts to operate.
The glass envelope of the 8447 is sealed to prevent the escape of gas and vacuum, ensuring consistent operation and longevity. The tube is also equipped with a metal baseplate, which is used to ground the plate circuit and provide mechanical support.
The 8447 Motorola Double Diode Triode Vacuum Tube is a true workhorse of vintage electronics, and it continues to be beloved by hobbyists, audio enthusiasts, and audio engineers for its unique sound quality and historic significance. Whether you're restoring a vintage radio, building a tube amplifier, or simply looking to add a touch of nostalgia to your electronics projects, the 8447 is an excellent choice.
Pros of buying 8447 Motorola Double Diode Triode NOS Vacuum Tube:1. Authenticity: NOS (New Old Stock) vacuum tubes are original, unopened, and unused components from the past. They are often sought after by audiophiles and collectors for their perceived superiority in sound quality compared to modern tubes.
2. Long-lasting: NOS tubes are known for their durability and longevity. They are less likely to fail due to age or poor storage conditions because they have not been in use or exposed to modern electrical environments.
3. Vintage Aesthetic: NOS tubes have a vintage look and feel that can add charm and character to any audio system. They can also be used as decorative pieces in vintage-themed spaces.
4. Potential Improvement in Sound Quality: Some people believe that NOS tubes provide a warmer, more natural sound than modern tubes. This is due to the different materials and manufacturing processes used in the past.
Cons of buying 8447 Motorola Double Diode Triode NOS Vacuum Tube:1. Limited Availability: NOS tubes are not as readily available as modern ones. This can make them more expensive and harder to find.
2. Compatibility Issues: NOS tubes may not be compatible with modern equipment. It's important to check the specifications of the tube and your audio system to ensure they are compatible.
3. Higher Cost: Due to their rarity and perceived superiority, NOS tubes are often more expensive than modern ones.
4. Potential Performance Variability: Because NOS tubes are old and made using different processes, there can be variability in their performance. Some tubes may perform better than others.
Conclusion:If you are an audiophile, collector, or just appreciate the vintage aesthetic, an 8447 Motorola Double Diode Triode NOS Vacuum Tube could be a worthwhile investment. However, you should be aware of the potential limitations and higher cost. It's important to do your research to ensure the tube is compatible with your audio system and to purchase from a reliable source.
Recommendation:If you decide to purchase an 8447 Motorola Double Diode Triode NOS Vacuum Tube, I recommend buying from a reputable dealer to ensure the tube's quality and authenticity. Also, consider testing the tube in your system before committing to a purchase to ensure it meets your expectations.
Details:
This offer is for one Motorola double diode triode nos nib vacuum tube you see in the picture.
specifications tubesocketvintagego:
- brand: Motorola
- model: 8447
- country/region of manufacture: United States
- type: Nos Tube
Ratings:
- item arrived quickly and exactly as described. highest points! 03-06-18
- XLNT packing! Fast ship, better than described! Thank you. EXCELLENT SELLER! 03-08-18
- nice manual, just as described, thank you! 03-10-18
- Just what I wanted,fast shipping and good price 03-09-18
- Very nice with fast transaction and nice items. 03-07-18
Shipping tubesocketvintagego:
- type: Calculated
- cost: $5.0
- handling: 1 days
Offer tubesocketvintagego:
- quantity: 1
- min. bid: $12.50
- Sold: 0
- best offer: false
- Started: March 12, 2018, 12:47 am
- bids: 0
Payments tubesocketvintagego:
- PayPal
- CashOnPickup
Returns tubesocketvintagego:
- policy: no returns
General tubesocketvintagego:
- consumer electronics > vintage electronics > vintage audio video parts accessories consumer electronics > vintage tubestubes sockets audio
- in stock: Yes
Seller tubesocketvintagego:
- city: Harbeson,
- zipcode: 1995 1
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