
( Brand: Arcturus ), ( Manufacturer Part Number: K-90-AG ), ( Type: Ballast Resistors ), ( Country/region Of Manufacture: United States )
The K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube is a vintage electronic component that is highly sought after by hobbyists and professionals in the field of vintage electronics, audio restoration, and vintage audio equipment repair. This tube is manufactured by Arcturus, a well-known and respected name in the vacuum tube industry.
The K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube is an octal base tube, which means it has eight pins arranged in a square pattern. It is designed to be used as a ballast resistor, which is a component that limits the current through a power supply or electrical circuit to prevent damage to other components. This tube is ideal for use in vintage radio and audio amplifiers, as well as in certain types of vacuum tube oscillators and other electronic circuits.
One of the key features of this tube is its New Old Stock (NOS) status. This means that it is a tube that has been manufactured in the past but has been stored in a suitable environment to preserve its original condition. NOS tubes are highly prized by collectors and hobbyists because they are believed to offer better performance and reliability than tubes that have been manufactured more recently.
The K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube has a filament voltage of 6.3 volts and a plate voltage of 350 volts. It has a plate resistance of 160 ohms and a filament current of 0.25 amps. The tube is made of high-quality glass and metal components, and it is designed to withstand the rigors of high-power electronic circuits.
Overall, the K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube is an excellent choice for anyone looking for a high-quality, vintage electronic component for their vintage audio equipment or electronic projects. Its NOS status, octal base, and ballast resistor function make it a versatile and valuable component in any vintage electronics collection.
Pros of buying K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube:1. High Quality: NOS (New Old Stock) tubes are known for their high quality and durability compared to new production tubes.
2. Vintage Sound: These tubes offer a vintage sound that is often preferred in audio applications.
3. Collectible Value: Due to their rarity and vintage nature, NOS tubes can also have a collectible value.
Cons of buying K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube:1. Expensive: NOS tubes are often more expensive than new production tubes due to their rarity.
2. Limited Availability: Due to their age and rarity, NOS tubes may be difficult to find and may require searching through various sources.
3. Potential for Damage: NOS tubes may have been stored for a long time and could have degraded or been damaged during storage, which could affect their performance.
Conclusion:If you are looking for a high-quality tube with a vintage sound for your audio equipment, and you are willing to pay a premium for it, then the K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube may be a good option for you. However, you should be aware of the potential for damage and the limited availability of these tubes. If you are on a tight budget or prefer new production tubes, there may be other options that better fit your needs.
Recommendation:If you are interested in purchasing the K-90-AG 90-AG K90AG NOS Arcturus Octal Ballast Resistor Tube, I would recommend doing your research and checking with multiple sources to ensure you are getting a good deal and a high-quality tube. You may also want to consider purchasing a tube tester to ensure the tube is functioning properly before installing it in your equipment.
I have no way to test it, so item is sold as-is.
I get lots of e-mail from people asking questions that are fully answered on the page.
Box has some wear and dust. I try to charge only actual shipping cost. Most of the items I sell have been in storage or houses for many years and as a result may odors, such mildew, mold smoke.
This offer is for one nos ballast resistor tube. Do not even think about asking me to declare it as a or the value of an item less than sale price.
I have made and do make mistakes.
Please see images for details. I am not an expert on the items sell. I uses shipping calculator - if enter the incorrect weight or dimension, difference could be significant.
While I am happy to accommodate such requests, they add size and weight the package increase shipping cost. I don't pack boxes in advance to get exact weights because offer combined shipping.