SYLVANIA 12BY7 Nos Vacuum Plate Tubes 12DQ7 12BV7

( Brand: Sylvania ), ( Type: Vacuum Tube )

Review SYLVANIA Nos Vacuum Black Plate Matched Tubes Trio Usa

The 12BV7 and 12DQ7 NOS Vacuum Tubes from Sylvania are true gems for audio enthusiasts and vintage electronics hobbyists. These tubes are New Old Stock (NOS), meaning they are relics from a bygone era of technology, but with the added benefit of being completely unused and in pristine condition.

The 12BV7 is a dual triode vacuum tube, which means it has two separate amplifying stages within the same glass envelope. This tube is ideal for use in a variety of applications, including audio preamp stages, oscillators, and even some types of power amplifiers. Its high gain and low distortion make it a popular choice for vacuum tube aficionados.

The 12DQ7, on the other hand, is a pentode tube. It has five electrodes, which allows it to both amplify and switch signals, making it a versatile component in many types of electronic circuits. The 12DQ7 is often used in audio power amps, rectifiers, and even some types of oscillators.

Both the 12BV7 and 12DQ7 are manufactured using Sylvania's time-honored techniques, ensuring they maintain the high-quality standards that Sylvania is known for. The glass envelopes are thick and sturdy, while the internal components are meticulously crafted to ensure optimal performance and longevity.

In terms of specifications, the 12BV7 has a plate voltage of 300V and a plate current of 130mA. It has a maximum gain of 120 and a frequency response of 30Hz to 10kHz. The 12DQ7, on the other hand, has a plate voltage of 300V and a plate current of 170mA. It has a maximum gain of 100 and a frequency response of 30Hz to 20kHz.

In conclusion, the 12BV7 and 12DQ7 NOS Vacuum Tubes from Sylvania are not just components, but they are pieces of history that can bring a unique and warm sound to your audio systems. Whether you're a vintage audio enthusiast, a hobbyist, or a professional sound engineer, these tubes are a must-have for your collection.

1. Authenticity: NOS tubes are original tubes that were manufactured and sold new in the past. They have not been reconditioned or refurbished, ensuring their original quality and performance.

2. Longer lifespan: NOS tubes are often regarded as having a longer lifespan compared to new tubes. This is because they have not been used before and have not undergone the wear and tear that can affect the performance of used tubes.

3. Better sound quality: NOS tubes are known for their superior sound quality. They produce a warmer and more natural sound compared to new tubes, which can sound harsh or artificial.

4. Vintage appeal: NOS tubes have a vintage appeal that can add a unique touch to any audio system. They can help create a nostalgic sound that some listeners enjoy.

1. Price: NOS tubes can be more expensive than new tubes. This is because they are harder to find and have a limited supply.

2. Availability: NOS tubes are not as readily available as new tubes. They may require searching online or contacting specialty retailers to find.

3. Compatibility: NOS tubes may not be compatible with all audio equipment. Some modern equipment may require new tubes to function properly.

4. Fragility: Vacuum tubes are delicate and can be easily damaged. NOS tubes may be particularly fragile due to their age and lack of use.

Buying 12BV7 and 12DQ7 NOS vacuum plate tubes from Sylvania 12BY7 can provide a superior sound quality and a vintage appeal for audio enthusiasts. However, the higher price and limited availability may be a barrier for some. Additionally, compatibility with modern equipment and the fragility of tubes should be considered. Ultimately, the decision to purchase NOS tubes depends on individual preferences and the specific needs of the audio system.

If you are looking for a warmer and more natural sound, and you are willing to pay a premium for original quality and vintage appeal, then buying 12BV7 and 12DQ7 NOS vacuum plate tubes from Sylvania 12BY7 may be worth considering. However, it is important to research the compatibility of NOS tubes with your audio equipment and handle them with care to ensure their longevity.

Details:

What started as a hobby several years ago to fund my obsession with tube audio, viva tubes has quickly grown into a full time business. We even guarantee our tubes to arrive without having any sound quality issues like micro phonics or noise.

A truly nos tube will have excellent fetter flashing condition, no dirt grime, usually in the original box, and no filament deposits.

Other options available only by request.

Rates for domestic usa buyers shipping for the first tube, pair, or quad will cost 4.

part #: 12by7 prices

• $12.45-$25.00

specifications tubesocketvintagego:

• brand: Sylvania
• type: Vacuum Tube

Shipping:

• type: Flat
• cost: $4.99
• handling: 1 days

Offer:

• best offer: false
• # bids: 0
• # Sold: 0
• Started: February 10, 2015, 6:24 pm
• quantity: 1

Returns:

• paid by: Seller
• policy: returns accepted
• details: All tubes and other items are 100% guaranteed unless otherwise noted. Returns are accepted for any item that arrives not as described can be returned up to 14 days after it has been received. Returns are not accepted if the buyer changes thier mind about the purchase.
• time: 14 Days
• type: Money back or exchange buyer's choice

General:

• in stock: Yes
• Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tubes Sockets

Seller:

• zipcode: 01013
• city: Chicopee, Massachusetts

Ratings:

1. thank you 02-10-15
2. Nice tube. fast shipping 02-10-15
3. prompt delivery, item as listed. A+ 02-10-15

Payments:

• PayPal

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