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SYLVANIA

6V6GT/G VT-107A JAN-CHS Sylvania – Black Plates Glass Coating Foil Getter Matched Pair Tubes USA 1940s

6V6GT/G VT-107A JAN-CHS Sylvania – Black Plates Glass Coating Foil Getter Matched Pair Tubes USA 1940s

¥1,299.00 CNY
¥1,299.00 CNY
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JAN-CHS-6V6 GT/G ( VT-107A ) SYLVANIA Black Plates Glass Coating Foil Getter Matched Pair Tubes MADE IN USA '40s

Description:

The Sylvania JAN-CHS-6V6GT/G VT-107A , with Black Plates, Glass Coating and Foil Getter , manufactured in the USA in the 1940s , are the highest quality military grade tubes, selected for rigorous standards of reliability and superior sonic performance . The graphite-coated glass construction helps reduce RF interference and improve heat dissipation, while the black plates and foil getter provide a refined, natural, harmonic-rich tone.

  • Bass : Tense, deep and controlled , with a solid and articulated low range, perfect for giving weight and structure without excess .
  • Mids : Harmonious, detailed and slightly warm , with a transparent and fluid rendering. Voices and instruments emerge with exceptional three-dimensionality and realism .
  • Highs : Silky, open and well extended , with a refined and harsh-free response, maintaining excellent clarity and definition without listening fatigue .
  • Dynamics : Responsive and natural , with fast and well-articulated transients, offering an engaging and vibrant sound reproduction.
  • Soundstage : Wide and immersive , with excellent instrument separation and spatial rendering that restores depth and detail to the soundstage .

Thanks to their rugged military construction and matched selection , these JAN-CHS-6V6GT/G Sylvania Black Plates offer low microphonics, long life and operational stability , making them perfect for hi-fi amplifiers and vintage musical instruments .

📌 Tips for Using Guitar Amplifiers

These military-spec Sylvania 6V6GT/Gs are ideal for vintage and boutique amps benefiting from their natural compression, large headroom and harmonically rich saturation . They offer warm, detailed cleans , with a smooth, progressive transition to breakup , perfect for genres like blues, jazz and classic rock.

They are distinguished in amplifiers such as:
🎸 Fender Deluxe (5A3, 5B3, 5C3, 5D3 Tweed & 5E3) – For a fat, harmonious sound, with rich, dynamic overdrive .
🎸 Fender Princeton (pre-Blackface & Blackface) – Ideal for bright clean sounds and smooth, natural overdrive .
🎸 Gibson GA-40 Les Paul Amp – Perfect for smooth, creamy tones with exceptional dynamic response .
🎸 Supro 1600 Series & Valco Amps – Ideal for bluesy tones with great response to playing nuances .
🎸 Magnatone 213 & 280 – For a spacious, detailed sound with vibrant modulation .
🎸 Dr. Z Z-28, Carr Vincent – For those looking for a modern answer with the warm character of vintage tubes .

These tubes provide natural sustain and smooth, progressive saturation , making them one of the best choices for amplifiers with 40s and 50s-inspired circuits .

Test Results:

Valve tested on AMPLITREX AT-1000 Tube Tester:

  • Test Conditions: Va = 250V; Vg2 = 250V; Vg = -12.5V
  • Average 100%: Gm = 4.1 ; Ia = 45 mA
  • Test Result: VERY STRONG

Valve 1: Gm = 4.6 ; Ia = 49 mA

Valve 2: Gm = 4.6 ; Ia = 50 mA

Additional Tests Performed:
  • Microphonics: Low Noise & Microphonics – Tested and rated 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: Likely NOS – Excellent emissions and condition, no visible signs of use - Tested and fully functional. Supplied in our custom box for optimal protection.
  • Functionality: Fully operational , with excellent test results.
  • Cosmetic Condition: Very Good – The lettering is partially eroded but still legible . The valve body is in excellent condition, with no obvious signs of wear. See photos for details.
  • Manufacturing code: Undecipherable , but traceable to Sylvania military productions of the 40s-50s.

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.