SYLVANIA 5998A Nos Audiophile Tube 421A 6AS7G 6080
( Brand: Sylvania ), ( Model: 5998A ), ( Part Type: Tube ), ( Country/region Of Manufacture: United States )
Review SYLVANIA Aka Nib Nos Audiophile Tube 421a Jan Matched Pair Type
The AKA 6as7g NOS (New Old Stock) Audophile Tubes are a collection of high-quality vacuum tubes designed for those seeking an authentic and immersive audio experience. These tubes are available in three variants: 421A, 5998A, and 6080.
The 421A tube is a dual triode designed for use in both audio and RF applications. It delivers a rich, warm sound with a balanced frequency response, making it an excellent choice for vintage audio systems, hi-fi preamps, and even some power amplifiers. The NOS version of this tube ensures consistency in performance, as it has been stored and handled properly since its original manufacture date.
The 5998A tube is a high-power pentode designed for use in powerful audio amplifiers. It delivers a clean, powerful sound with a wide bandwidth, making it ideal for driving high-impedance speakers in home theater systems, professional audio applications, and high-end audio amplifiers. The NOS version of this tube ensures a long lifespan and consistent performance, maintaining the tube's original tonal character.
The 6080 tube is a high-power tetrode designed for use in high-power audio amplifiers and power supplies. It delivers a clean, powerful sound with a wide bandwidth, making it ideal for driving high-impedance speakers in professional audio applications and high-end audio amplifiers. The NOS version of this tube ensures a long lifespan and consistent performance, maintaining the tube's original tonal character.
All three tubes feature a high-quality glass envelope, metal base, and heat-resistant filament. They are tested and inspected to ensure that they meet the strictest quality standards. The NOS designation ensures that these tubes are made using the same materials and processes as the original tubes, ensuring a consistent and authentic tone.
In summary, the AKA 6as7g NOS Audiphile Tubes are a collection of high-quality vacuum tubes designed for those seeking an authentic and immersive audio experience. They are available in three variants: 421A, 5998A, and 6080, each designed for specific audio applications and delivering a consistent and authentic tone.
Pros of buying 6AS7, 5998A, and 6080 tubes:1. Authentic sound: Tube amplifiers are known for their warm, natural sound that digital amplifiers cannot replicate. These tubes, in particular, are highly regarded for their ability to produce rich and detailed audio.
2. Vintage appeal: Tube amplifiers have a retro aesthetic that can add a touch of charm to any audio setup. These specific tubes have a long history and are often used in high-end audio equipment.
3. Versatility: These tubes can be used in a variety of audio applications, including preamps, power amplifiers, and even some types of microphone preamps.
4. Customizability: Tube amplifiers can be easily customized to achieve different sound characteristics by swapping out tubes. Different tubes can change the overall sound of the amplifier, allowing you to fine-tune the audio to your liking.
Cons of buying 6AS7, 5998A, and 6080 tubes:1. Lower efficiency: Tube amplifiers are generally less efficient than solid-state amplifiers, which can result in higher energy consumption and generate more heat.
2. Maintenance: Tube amplifiers require regular maintenance to ensure proper functioning, including replacing tubes periodically. This can be time-consuming and expensive.
3. Limited power output: Tube amplifiers typically have lower power output than solid-state amplifiers, which may limit their suitability for use with high-power speakers.
4. Fragility: Tubes are delicate components and can be easily damaged if not handled properly. They are also susceptible to moisture and other environmental factors.
Conclusion:While tube amplifiers and their corresponding tubes, such as the 6AS7, 5998A, and 6080, have their advantages, they also come with some disadvantages. If you value the authentic sound, vintage appeal, and customizability that tube amplifiers offer, and are willing to invest the time and money required for maintenance, then purchasing these tubes could be a worthwhile investment. However, if you prioritize efficiency, power output, and ease of use, a solid-state amplifier might be a better fit for your needs. Ultimately, the choice depends on your personal preferences and priorities.
Details:
They are manufactured by Sylvania, and have a packed date of my procedure was to let the tube warm up for 5 minutes, and then test both sections. Both tubes have identical markings on the black Bakelite base. The shorts test was done using the more critical high setting.
They are dual power tirades, and are also known as a 6AS7G, 6080 or 421a. Nice find for a rare tube. Here's a beautiful pair of nib nos jan 5998A audiophile vacuum tubes that are in their original boxes.
They were both tested using a precision tube tester, and have identical readings of 80 on all sections, which is an excellent dynamic indication.
part #: 5998a prices
- $29.99-$109.99
specifications tubesocketvintagego:
- brand: Sylvania
- model: 5998a
- part type: Tube
- country/region of manufacture: United States
Ratings:
- Excellent EV 605 Microphone. Great price. Quick delivery. Thanks. 02-20-15
- Perfect, thanks 02-14-15
- Fast shipping, packaged good, great item! Thank you! A++++ 02-17-15
- good seller ++++ 02-17-15
- arrived in excellent condition. fast shipping. recommend seller. 02-14-15
Payments:
- PayPal
Seller:
- city: Nebo, North Carolina
- zipcode: 28761
Shipping:
- handling: 3 days
- type: Calculated
General:
- in stock: Yes
- Consumer Electronics > Radio Communication > Parts & Accessories > Tubes
- condition: New
Returns:
- policy: no returns
Offer:
- best offer: false
- : true
- # bids: 0
- Started: February 20, 2015, 2:00 am
- quantity: 1
- min. bid: $199.95
- # Sold: 0
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