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SYLVANIA

12AT7E E81CC NOS Sylvania – 3 Mica Gray Wing Plates Square Getter Tube USA 1946

12AT7E E81CC NOS Sylvania – 3 Mica Gray Wing Plates Square Getter Tube USA 1946

€59,90 EUR
€59,90 EUR
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12AT7E ( ECC81 ) SYLVANIA NOS 3 Mica Gray Wing Plates Square Tilt Getter Tested Tube Made in USA '46

Description:

The 12AT7E SYLVANIA , in the very first version from 1946 , with 3 micas , gray wing-type plates and square tilt getter , is a tube of extraordinary historical and sonic value. Belonging to an extremely solid construction generation, this version stands out for its balanced voice , precise tonal structure and a well-modulated dynamic response , making it ideal for applications where transparency without dryness and musicality without coloration are desired.

Bass : defined, dry, and well-articulated. The low range is compact and controlled, free of exuberance, yet always present in a solid way and useful for the harmonic foundation of listening. Perfect for systems requiring rhythmic precision.

Mids : Transparent, tidy, and slightly silky. Voices emerge with balance and naturalness, without emphasis, maintaining intelligibility even in the most complex passages. Acoustic instruments are well-distributed, with a clear but not aggressive texture.

Highs : Fine, controlled, and consistent. The high range extends delicately, never pushing forward or sounding harsh. The final effect is one of measured brilliance, always functional to the soundstage.

Dynamics : smooth, progressive, and musically refined. The tube responds promptly but never overemphatically. Micro-variations are clearly visible, and macro-dynamics develop in a balanced manner, making for a rich and never tiring listening experience.

Soundstage : Balanced, stable, with good lateral openness and realistic depth. Channel separation is clear, and the spatial focus maintains coherence even with complex sources.

The 1946 Sylvania 12AT7 E , in this rare tested and selected version, is a transparent, fluid and tonally sober tube, capable of adapting to different applications with a versatile but always musical character. Particularly suitable for those who desire a neutral but engaging presentation, without imbalances towards warmth or artificial brightness.

🎧 Use in Headphone Amplifiers and Hi-Fi Driver Stages

The 12AT7 E Sylvania finds its place in hi-fi systems that require stability, tonal balance and operational silence , especially in reference-class headphone amplifiers or sensitive gain stages. In mu-follower , cathode follower or SRPP configurations, it delivers a well-ordered soundstage, free from listening fatigue, with precise but not intrusive detail. Excellent synergy with headphones such as the Sennheiser HD600 , ZMF Auteur , Focal Clear , for those looking for long, coherent and transparent listening sessions .

🎸 Use in Guitar and Bass Amplifiers

While less common than other versions for musical use, the Sylvania 12AT7 E '40s offers excellent performance as a driver or inverter in vintage and reissue tube amplifiers. In amps like the Fender Twin Reverb , Deluxe Reverb , or Princeton Reverb , it offers a firm, articulate response, ideal for those seeking clean headroom, defined attack, and dynamic control . Its tonal transparency also makes it ideal for tube bass , where a solid but not bloated low end is desired, useful for professional rigs and studio preamps.

🎯 Note for audiophiles :
A historic, neutral, and well-built tube, ideal for systems that aren't looking for easy euphony, but for honest, readable, and consistently musical behavior. Excellent as a starting point for comparative tests, for those seeking a natural reference voice on which to build their own sound.

Test Results:

Valve tested on AMPLITREX AT-1000 Tube Tester:

  • Test Conditions: Va = 250V, Vg = -2V
  • Average 100%: Gm = 5.5 ; Ia = 10.0 mA
  • Test Result: VERY STRONG

Valve:

  • Section 1: Gm = 6.3 ; Ia = 15.4 mA
  • Section 2: Gm = 6.2 ; Ia = 12.0 mA

Additional Tests Performed:

  • Microphonics: Low Noise & Microphonics – Tested and compliant for use in hi-fi systems and guitar amplifiers.
  • Output Quality: Excellent – Very strong and stable output, no fluctuations.
  • Short circuits and GAS: Absent.

Conditions:

  • Condition: NOS - New Old Stock - Tested and in perfect working order. Comes in our custom box for optimal protection.
  • Functionality: Fully functional.
  • Cosmetic condition: Good – Lettering partially eroded, but still legible. Valve body in good condition. See photos for details.
  • Manufacturing Code: 644 - produced in the 44th week of 1946

Find out why our valves are different →

Condizioni di vendita e sicurezza

Anti-Tamper Security Seal Policy:
Each product is sealed to guarantee quality and integrity.
The right of withdrawal is subject to the seal remaining intact, as provided for by the Consumer Code.

Eco-Friendly Packaging:
The tube will be shipped with protective packaging to ensure safety during transport.
We use recycled and recyclable paper for packaging, along with brown ECO-KRAFT adhesive tape, eco-friendly and solvent-free.

Important Notes:
This tube, manufactured according to the standards of its era, is designed to operate in equipment compatible with vintage tubes.
It is recommended to follow standard safety guidelines to avoid malfunctions or damage.

Safety Assurance:
Although not tested according to modern GPSR regulations, this tube was designed to operate safely under the conditions for which it was manufactured.
We recommend using it only with equipment that supports vintage tubes, in order to avoid risks of malfunction or damage.
Technical data note:
In some cases, the technical data provided may be based on datasheets from other manufacturers or on equivalent historical specifications, when a specific official datasheet for the production batch of the listed item is not available.
Electrical characteristics may vary slightly depending on the production batch and manufacturing period, as is typical for thermionic components.

Safety Information:
Warning: Keep out of reach of children.
To be used under adult supervision.
Use the product only with equipment designed for vintage tubes.

Shipping & Returns

Shipping & Returns

Shipping Costs

Shipping costs vary depending on the total amount of the items in the cart and are calculated automatically during the checkout process.
All shipments are fully insured. The courier is automatically selected based on destination, weight, and shipment characteristics.

Shipping Times and Delivery

The indicated delivery times are purely indicative.
Any delays, storage issues, or operational changes made by the carrier (for example during peak periods such as holidays) are not attributable to Vacuum Tubes Treasures.

In such cases, we will nevertheless provide the Customer with all necessary support to open claims or assistance requests with the appointed courier.

International Shipping (Non-EU Countries)

For orders shipped to countries outside the European Union, any customs duties, import taxes, or additional charges are the sole responsibility of the recipient.
Vacuum Tubes Treasures has no control over these costs, which may vary from country to country. Customers are therefore advised to contact their local customs authorities prior to placing an order.

Warranty

All products sold by Vacuum Tubes Treasures are covered by the legal warranty of conformity, in accordance with Italian Legislative Decree No. 206/2005 (Consumer Code) and the Italian Civil Code (Articles 1490 et seq.), under the conditions set out below.

Warranty for Vacuum Tubes

Vacuum tubes, being components subject to wear and of vintage or specialized nature, are covered by a specific warranty of 6 (six) months from the date of delivery.
The warranty covers exclusively proven manufacturing or conformity defects that arise during proper use in accordance with technical specifications.

The warranty does not cover:

  • normal wear and tear,
  • subjective sound preferences,
  • use in incompatible equipment,
  • tampering or improper use.

Right of Withdrawal

Purchases made on the Vacuum Tubes Treasures website are governed by Italian regulations on distance contracts (Legislative Decree No. 206/2005).

Consumers have the right to withdraw from the contract within 14 (fourteen) days from the date of receipt of the goods, without providing any reason.

Conditions for Exercising the Right of Withdrawal

The right of withdrawal may be exercised only if:

  • the product has not been used,
  • the product is returned in its original condition,
  • the tamper-evident security seal is intact and not broken.

📌 Returns are not accepted for reasons related to sound preference, tube rolling, or subjective audio evaluation.
As with a music recording, a vacuum tube cannot be returned simply because its sound does not match personal taste.

Effects of Withdrawal

In the event of a valid withdrawal:

  • all payments received, including standard shipping costs, will be refunded,
  • refunds will be issued within 14 days from receipt of the returned goods,
  • the refund may be withheld until the goods have been received and inspected.

Refunds will be made using the same payment method used for the original transaction, unless otherwise agreed.

Return Shipping Costs

Return shipping costs are borne by the Customer, except in cases of:

  • verified defective products,
  • errors attributable to Vacuum Tubes Treasures.

In such cases, return shipping costs will be fully covered by us.

Damaged or Incorrect Items

If the Customer receives a damaged or incorrect item, it must be reported within 5 (five) working days from delivery, by email or telephone, clearly stating the issue.

Uncollected Parcels, Storage, and International Shipments

It is the Customer’s responsibility to monitor the shipment and promptly arrange for collection or customs clearance.
Any costs, delays, or losses resulting from:

  • failure to collect the parcel,
  • prolonged storage,
  • abandonment of the parcel at customs,

do not entitle the Customer to any refund.

For further details, Customers are invited to consult the “Terms and Conditions” and “Refund Policy” sections of our website, or to contact us before placing an order.

Vacuum Tubes Treasures
www.vtt.store | www.vacuumtubestreasures.com
📧 info@vacuumtubestreasures.com

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  • ATTENTION PLEASE

    Please understand that the writing on the glass of vintage valves has become very delicate over the years and comes off easily. You must handle them with extreme care to avoid this. Wear and damage to the writing on the valves reduces their market value and causes damage. Please exercise extreme caution.

  • ATTENTION PLEASE

    We wish to inform you that any attempts to manipulate shipping destination information in order to obtain lower shipping rates may be considered fraudulent acts. Please provide accurate information and contact us if you have any concerns. We reserve the right to review and, if necessary, cancel orders that we deem to be in violation of our conditions. Thank you for your understanding and cooperation.