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SYLVANIA

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

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

€159,00 EUR
€159,00 EUR
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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 →

Terms of Sale & Safety

Sales Terms & Product Safety

Each vacuum tube is carefully selected, tested, and verified in our laboratory before shipment. Where stated in the listing, test results, matching data, and declared characteristics refer to measurements performed using the specified test equipment and operating conditions.

Sound descriptions are provided for guidance only and reflect the characteristics generally associated with that particular tube type. Personal sound preferences, tube rolling, or perceived differences between audio systems do not constitute a product defect.

Before installation, please verify the tube’s electrical and mechanical compatibility with your equipment and follow the manufacturer’s instructions.

New production and NOS tubes are shipped with a tamper-evident security seal and internal technical documentation to ensure traceability of the product’s condition at the time of shipment.

Product Safety (GPSR)

Vacuum tubes are electronic components intended exclusively for use in compatible equipment and must be installed in accordance with the equipment manufacturer’s instructions.

Due to their historical or vintage nature, certain technical specifications may be based on original datasheets or equivalent technical documentation when documentation from the specific manufacturer is unavailable.

Use only with suitable equipment. Keep out of reach of children.

Shipping & Returns

Shipping & Returns

We ship worldwide using carefully selected express carriers and protective packaging specifically designed for vacuum tubes.

If you change your mind, you may exercise your right of withdrawal within 14 days of delivery, where applicable under the relevant consumer protection laws. The product must be returned complete with its original packaging and accessories, in the same commercial condition in which it was received. Return shipping costs are the responsibility of the customer.

Every returned item undergoes a technical inspection. Installation, use, tube rolling, or any other handling may reduce the product’s commercial value and may affect the refund amount, in accordance with applicable law.

If you believe the product has a lack of conformity, our laboratory will carry out the necessary inspections and apply the remedies provided by the applicable consumer protection legislation.

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.