SPERTI 1S-21 Nos Usn Vacuum Switch Tubes Sp Cys 35 1940S 24163

( Brand: Sperti ), ( Manufacturer Part Number: 1S-21 ), ( Model: SP 1S-21 ), ( Type: Switch Tube ), ( Country/region Of Manufacture: United States ), ( Bundle Listing: Yes )

Review SPERTI 1940s 35 Pieces Nos Nib Usn Vacuum Switch Tubes Sp Cys

Introducing the 1940s USN Sperti Vacuum Switch Tubes SP1S-21 CYS 24163, a rare and intriguing piece of vintage electronics. These tubes are original products from the United States Navy, manufactured by Sperti, a renowned company in the field of vacuum tubes and electronic components during the mid-20th century.

The 1940s USN Sperti Vacuum Switch Tubes SP1S-21 CYS 24163 are designed as vacuum relays, a type of electronic switch that uses a vacuum-filled glass envelope to control electrical current. These tubes were crucial components in various vintage electronic devices, such as old radio sets, telephone exchanges, and early computing equipment.

The SP1S-21 in the model number refers to the tube's specific type, which is a 1-stage triode vacuum tube. The CYS 24163 is the catalogue number assigned by Sperti, indicating the specific configuration of this particular tube.

The tube's glass envelope is a testament to the art of glassblowing and engineering, showcasing the craftsmanship and technology of the time. Inside, the tube houses metal filaments and grids, which work together to control the flow of electricity. The tubes are encased in a protective metal casing, adding to their robust and vintage aesthetic.

The 1940s USN Sperti Vacuum Switch Tubes SP1S-21 CYS 24163 are not just collectible items but also functional components that can be used in specific vintage electronic projects. These tubes are a piece of history, offering a glimpse into the past of electronics and technology.

In conclusion, the 1940s USN Sperti Vacuum Switch Tubes SP1S-21 CYS 24163 are a unique and valuable addition to any electronics collection or vintage technology enthusiast. Their rarity, historical significance, and functional capabilities make them a captivating and fascinating item to own and explore.

1. Historical Value: These vacuum switch tubes are a piece of history, as they were used in naval communications during the 1940s. Collectors and history enthusiasts may be interested in adding them to their collection.

2. Potential for Restoration: With the right knowledge and equipment, these tubes may be restorable to working condition. This could be an enjoyable project for hobbyists or electronics enthusiasts.

3. Rare and Unique: Due to their age and specific use in naval communications, these tubes are likely to be rare and difficult to find. Owning one could be a unique talking point or conversation starter.

1. Limited Use: These tubes are not compatible with modern electronics, so they have limited practical use beyond historical or hobbyist purposes.

2. Fragile and Vulnerable to Damage: Vacuum tubes are fragile and can be easily damaged during handling or transportation. They may also be prone to corrosion or other forms of damage due to their age.

3. Expensive: Due to their rarity and historical value, these tubes may be expensive to purchase. This could be a significant investment for hobbyists or collectors.

Buying 1940s USN SPerti Vacuum Switch Tubes SP 1S-21 CYS 24163 can be a rewarding experience for history enthusiasts or electronics hobbyists. However, it is important to consider the limited practical use of these tubes and the risk of damage during handling or transportation. Additionally, the cost of purchasing these tubes may be a significant investment for some. Ultimately, the decision to purchase these tubes should be based on personal interests and budget.

If you are interested in purchasing 1940s USN SPerti Vacuum Switch Tubes SP 1S-21 CYS 24163, it is recommended to do thorough research and seek out reputable sellers who can provide accurate information about the condition and history of the tubes. Additionally, it may be beneficial to join online communities or forums for vacuum tube enthusiasts to learn more about the hobby and connect with other collectors.

Details:

These tubes are all in excellent condition each tube comes the original factory box with western electric inner protective cloth material to keep safe.

The testing is done on vintage tube testers.

Prior to placing an order for a price quote any noise or microphone testing. Nos this is new old stock and since vacuum tubes were made years ago may have cosmetic evidence of age.

This is our entire quantity we have.

Extremely rare giant lot 35 nos nib switch tubes all the exact same 100 brand new in original boxes type sp 1S-21 made USA by Sperti. Unless a listing says that it is guaranteed low noise, or no micro phonics these conditions will not be considered defective.

Unless a listing says that it is guaranteed low noise or no micro phonics these conditions will not be considered defective. This includes poor print, oxidized pins, faint discoloration, or some grime.

Buying and offers - all questions, conditions, constraints shall be made prior to making an offer or purchase, any after placement of the order are null void. And clean all 35 tubes are 100 guaranteed to work excellent it is extremely rare find a perfect matched set of these switch in this nos nib brand new condition.

Transistorized tube testers such as the at-1000 results are not considered valid they differ from original manufacturers test set.

Photographs examine the carefully to assure that item meets your expectation for print, codes, discoloration, oxidation and other cosmetic defects.

Super high quality tubes.

part #: 1s21 prices

• $29.95-$31.00

specifications vintaelec:

• brand: Sperti
• mpn: 1s-21
• model: Sp 1s-21
• type: Switch Tube
• country/region of manufacture: United States
• bundle listing: Yes

Ratings:

1. Prompt delivery 10-09-17
2. Great !!! Highly Recommend !! 10-09-17
3. Excellent seller. Fast shipping. Thanks! 10-09-17
4. verry good. 10-10-17

General vintaelec:

• in stock: Yes
• vintage electronics > equipment

Seller vintaelec:

• city: La Habra, California
• zipcode: 90631

Shipping vintaelec:

• handling: 1 days
• cost: $0.0
• type: Flat

Offer vintaelec:

• Sold: 0
• quantity: 1
• Started: October 9, 2017, 8:27 pm
• best offer: true
• bids: 0

Returns vintaelec:

• policy: returns accepted
• time: 30 Days
• type: Money Back
• paid by: Buyer

Payments vintaelec:

• PayPal