1 10

TUNG-SOL

6V6 GT TUNG-SOL Black Glass Foil Getter Tested Pair Tubes MADE IN USA '56

6V6 GT TUNG-SOL Black Glass Foil Getter Tested Pair Tubes MADE IN USA '56

€89,90 EUR
€89,90 EUR
Sale Sold out
Taxes included. Shipping calculated at checkout.

6V6 GT TUNG-SOL NOS Black Glass Foil Getter Tested Tube
MADE IN USA '56

These tubes, produced in the United States in 1956, are particularly appreciated by guitarists for their warm, powerful, and dynamic sound, perfect for use in guitar amplifiers. The Black Glass design and Foil Getter contribute to a unique sonic signature, combining depth, clarity, and remarkable dynamic response.

The low-end is rich and well-defined, with bass that provides a solid foundation without being overwhelming. This allows for a full, rounded sound, ideal for punchy and powerful rhythms. Tight and controlled bass makes these tubes perfect for guitarists seeking a robust and precise sound without excessive low-frequency emphasis.

The midrange is particularly expressive, with strong and detailed presence that brings guitar tones to life. The 6V6 GT TUNG-SOL delivers a warm and full midrange response, perfect for playing solos rich in nuances and harmonics. Their dynamic response allows for a wide range of tones, from clean and transparent to full and saturated distortions, adapting perfectly to various musical styles, from rock to blues.

The high frequencies are smooth and never harsh, maintaining a clarity that allows every detail of the sound to be perceived without causing fatigue. They maintain a balanced response across the entire spectrum, with high frequencies that provide brightness and definition without being sharp or overly present. This characteristic makes them ideal for achieving a bright but not overly aggressive sound, perfect for genres that require a balance between warmth and definition.

Produced by TUNG-SOL, USA

Data Code: 3226-52

Tested with AMPLITREX AT-1000 Tube tester:
Our instruments are calibrated with reference tubes.
Vf = 6.3V; Va = 250V; Vg2 = 250V; Vg1 = -12.5V
Average 100% Gm = 4.1 ; Ia = 45 mA
TEST RESULT: VERY STRONG

Gm = 4.0 ; Ia = 42 mA

Additional tests performed:
Microphonics Test
Emission Quality
Short Circuit Test
Gas Test

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

View full details

  • 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.