WESTERN ELECTRIC 445A Nos Reflex Klystron Vacuum Tube
( Brand: Western Electric ), ( Manufacturer Part Number: 445A ), ( Part Type: Vacuum Tube )
Review WESTERN ELECTRIC Nos Nib Reflex Klystron Vacuum Tube
The Western Electric 445A Reflex Klystron Vacuum Tube is a historical and highly sought-after piece of audio technology. This tube was originally developed and manufactured by Western Electric, a subsidiary of AT&T, for use in high-fidelity radio and television applications.
The 445A Reflex Klystron is a dual-triode tube, meaning it contains two separate triode sections within a single glass envelope. The reflex klystron design is unique in that it uses a reflex-type resonant cavity to modulate the electron beam, which in turn amplifies the radio frequency (RF) signal. This design allows the 445A to produce high gain and low noise, making it ideal for use in high-fidelity audio applications.
Physically, the 445A Reflex Klystron is a large and imposing tube, measuring approximately 8 inches long and 4 inches in diameter. The tube is enclosed in a heavy-duty glass envelope, with metal pins and connectors protruding from each end. The tube is surrounded by a metal shield to protect it from electromagnetic interference.
In terms of performance, the 445A Reflex Klystron is capable of producing an output power of up to 50 watts, making it suitable for use in high-power audio amplifiers. The tube has a high gain, typically in the range of 50 to 60 dB, and a low noise figure, typically less than 0.5 dB.
The Western Electric 445A Reflex Klystron is a true work of engineering art, representing the pinnacle of vacuum tube technology from its era. If you are a collector of vintage audio equipment, a hobbyist in electronics, or just someone who appreciates the beauty and history of technology, the 445A Reflex Klystron is a must-have addition to your collection.
Pros of buying a Western Electric 445A Reflex Klystron Vacuum Tube:1. Historical Significance: Western Electric 445A is a highly regarded and historically significant tube, used in early radar and radio communication systems. It's a collector's item and can add value to any vintage audio system.
2. Sound Quality: Klystron tubes are known for their ability to produce a wide frequency range and high power output, which can result in a rich, detailed sound.
3. Durability: Vacuum tubes, in general, can last longer than solid-state components due to fewer moving parts.
Cons of buying a Western Electric 445A Reflex Klystron Vacuum Tube:1. Availability and Cost: Finding a Western Electric 445A in good condition can be challenging and expensive due to their rarity.
2. Complexity: Klystron tubes are more complex to manufacture and maintain than other types of vacuum tubes. They require specific operating conditions and may require specialized knowledge to repair or replace.
3. Power Consumption: Klystron tubes consume more power than other types of tubes, which can increase your electricity bill.
Conclusion: If you're a collector, audiophile, or engineer with a deep appreciation for vintage technology and the resources to maintain a Klystron tube, then the Western Electric 445A could be a worthwhile investment. However, for most casual music listeners or hobbyists, the cost, complexity, and availability may outweigh the potential benefits.
Recommendation: If you're interested in the sound quality and history of the Western Electric 445A, consider starting with research and learning more about the tube. If you decide to purchase, be prepared to invest in quality testing equipment, repair resources, and time to ensure it's in good working order.
Details:
Please look at all the pictures for items condition and what is included. Zip code integral heat sink, convection cooled Reflex klystron, 10.
The 445A operated at about 11. Nos nib Western Electric 445A reflex klystron vacuum tube: this unit is in very good cosmetic and working condition.
NASA technical note d-1135, Nov. In the early sixties echo radar system was also used by NASA to track moon. 7 GHz as pump oscillator, feeding the parametric amplifier.
Thank-you for looking and happy ING. 7ghz, wave guide output 880mw power.
specifications vintaelec:
- brand: Western Electric
- mpn: 445a
- part type: Vacuum Tube
Seller vintaelec:
- zipcode: 01440
- city: Gardner, Massachusetts
Offer vintaelec:
- quantity: 1
- best offer: true
- bids: 0
- Started: May 2, 2017, 9:56 pm
- Sold: 0
Shipping vintaelec:
- handling: 4 days
- type: Calculated
Payments vintaelec:
- PayPal
Returns vintaelec:
- policy: returns accepted
- time: 14 Days
- paid by: Buyer
- type: Money Back
General vintaelec:
- vintage electronics > equipment
- in stock: Yes
Ratings:
- good tweeter 04-24-17
- Awesome resistors and price! Thx! 04-23-17
- Great to deal with - fast shipping item in perfect condition, all is well. 04-26-17
- Good item, Thank you. 04-30-17
- Good Seller! A 05-01-17
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