SYLVANIA 1D21 Nos Tubes Set SN4
( Brand: Sylvania ), ( Manufacturer Part Number: 1D21 ), ( Model: 1D21 / SN4 ), ( Country/region Of Manufacture: United States ), ( Bundle Listing: Yes )
Review SYLVANIA Nos Nib Sn4 Perfect Tubes Usa Matched Set
The NOS Sylvania 1D21 SN4 Tubes Set is a remarkable product for audio enthusiasts and vintage equipment enthusiasts alike. This set of four tubes is manufactured by New Old Stock (NOS), ensuring that they maintain the original quality and specifications of the Sylvania 1D21 tubes from the 1940s and 1950s.
Each tube in the set is individually inspected and tested to meet the highest standards of performance and reliability. The NOS Sylvania 1D21 SN4 Tubes are known for their rich, warm sound, making them an excellent choice for vintage amplifiers, radios, and audio equipment.
The 1D21 SN4 tubes are designed with a triode vacuum tube configuration, which allows them to handle both amplification and rectification tasks. They have a plate voltage of 6.3V and a plate current of 20mA, making them suitable for use in a wide range of vintage audio equipment.
The NOS Sylvania 1D21 SN4 Tubes Set is packaged in protective tubes to ensure safe transportation and storage. Each tube is individually labeled with the model number, plate voltage, and plate current for easy identification and use.
In summary, the NOS Sylvania 1D21 SN4 Tubes Set is a high-quality product that provides a vintage sound experience for audio enthusiasts. Its reliable performance, original design, and protective packaging make it a valuable addition to any vintage audio equipment collection.
Pros of buying Sylvania 1D21 SN4 tubes set:1. High-quality product: Sylvania is a well-known brand in the lamp industry, and their 1D21 SN4 tubes are known for their durability and reliability.
2. Long lifespan: These tubes are designed to last for a long time, reducing the frequency of replacements.
3. Energy efficiency: Compared to traditional incandescent bulbs, fluorescent tubes like the 1D21 SN4 are more energy-efficient, saving you money on electricity bills.
4. Wide range of applications: These tubes can be used in various types of lamps, including office and commercial lighting, making them a versatile choice.
Cons of buying Sylvania 1D21 SN4 tubes set:1. Initial investment: Fluorescent tubes can be more expensive upfront than traditional incandescent bulbs.
2. Contains mercury: Fluorescent tubes contain a small amount of mercury, which can be harmful if not disposed of properly.
3. Requires specific ballast: These tubes require a specific type of ballast to function correctly, which can add to the overall cost.
4. Limited color options: Fluorescent tubes are generally available in cool white or daylight color temperatures, limiting your color options compared to incandescent bulbs.
Conclusion:Overall, the pros of buying Sylvania 1D21 SN4 tubes outweigh the cons, especially considering their long lifespan, energy efficiency, and high-quality construction. While they may require a higher initial investment and have some limitations, the long-term savings and environmental benefits make them a worthwhile investment. If you're looking for a reliable and energy-efficient lighting solution, the Sylvania 1D21 SN4 tubes are a recommended choice.
Details:
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.
You get all six tubes for the bid. 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.
Photographs examine the carefully to assure that item meets your expectation for print, codes, discoloration, oxidation and other cosmetic defects.
The testing is done on vintage tube testers.
Nos this is new old stock and since vacuum tubes were made years ago may have cosmetic evidence of age.
Transistorized tube testers such as the at-1000 results are not considered valid they differ from original manufacturers test set.
Unless a listing says that it is guaranteed low noise, or no micro phonics these conditions will not be considered defective.
Prior to placing an order for a price quote any noise or microphone testing. Wow matched set vintage tubes these 6 type Sylvania 1D21 sn4 are all 100 brand new nos never use before beautiful perfect condition you get everything see for the bid come with 4 of original boxes not in best guaranteed amazing each tube is.
specifications cassettevintagee:
- brand: Sylvania
- mpn: 1d21
- model: 1d21 / Sn4
- country/region of manufacture: United States
- bundle listing: Yes
General cassettevintagee:
- in stock: Yes
- consumer electronics > vintage electronics audio video consumer electronics > vintage cassette decks
Returns cassettevintagee:
- policy: returns accepted
- paid by: Buyer
- time: 30 Days
- type: Money Back
Payments cassettevintagee:
- PayPal
Ratings:
- Nice, Thank you 08-31-17
- great tubes 09-03-17
- Item as described great buy 08-30-17
- Thank you. Fast shipping. All is well. 09-01-17
- Fast shipment. 09-04-17
Shipping cassettevintagee:
- type: Flat
- cost: $0.0
- handling: 1 days
Seller cassettevintagee:
- zipcode: 90631
- city: La Habra, California
Offer cassettevintagee:
- bids: 0
- Started: September 5, 2017, 12:24 am
- Sold: 0
- best offer: true
- quantity: 1
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