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6AS7GA GE NOS NIB Green Label Matched Pair Black Plates AMPLITREX Tested USA

6AS7GA GE NOS NIB Green Label Matched Pair Black Plates AMPLITREX Tested USA

Regular price 17.700 ISK
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6AS7GA / 6080 GE NOS NIB Military Green Label – Matched Pair for OTL Amplifiers – Made in USA 1986

Direct 6080 Replacement – AMPLITREX Tested – MOLTO FORTE – Real OTL Matching at 55 mA

Description

Not just a simple "matched" pair: real selection on Amplitrex for OTL use at 55 mA per section, with attention to stability and consistency between tubes.

Matched pair of 6AS7GA / 6080 GE NOS NIB specifically selected for OTL amplifiers, headphone amplifiers, and circuits compatible with the 6AS7 / 6080 family.

This is not a simple NOS pair matched only by brand or date code: the two tubes have been tested and selected in our laboratory for stability, consistency between sections, and real behavior in Auto Bias at 55 mA per section, a condition particularly significant for OTL applications.

The tubes have achieved a MOLTO FORTE classification, with stable emission, well-balanced sections, consistent behavior between the two tubes, no shorts, gas, or instability.

These are authentic NOS NIB – New Old Stock, New In Box tubes, never used, sourced from DLA – Defense Logistics Agency military stock. General Electric production, Made in USA 1986, Owensboro, Kentucky plant, with military green GE silkscreen and original packaging.

The construction features black plates, a robust internal structure, and a domed chrome getter. The manufacturing code 86-48 identifies the 48th week of 1986.

Sonically, they offer solid, stable, and musical performance, with full and controlled bass, natural mids, sweet highs, and fluid dynamics. The soundstage is wide, orderly, and well-balanced, favored by the electrical consistency of the pair.

Ideal for compatible OTL amplifiers, headphone amplifiers, high-current hi-fi circuits, regulators, power buffers, and equipment designed for 6AS7GA / 6080.

A truly tested and selected military GE NOS pair from Vacuum Tubes Treasures, designed for those seeking authentic, strong, stable American 6AS7GA tubes ready for serious OTL applications.


Test Results

Tubes tested on AMPLITREX AT-1000 Tube Tester

Test Conditions
Va = 230V
Vg = Auto Bias
Target anode current: 55 mA per section
Dissipation: approximately 12.6 W per section, within the maximum limit of 13 W
Warm-Up: ≥ 600 seconds for cathode thermal stabilization

Tube #7

  • Section 1 → Gm = 3140 ; Ia = 55 mA ; Vg = -120 V
  • Section 2 → Gm = 3670 ; Ia = 55 mA ; Vg = -110 V

Tube #24

  • Section 1 → Gm = 3330 ; Ia = 55 mA ; Vg = -117 V
  • Section 2 → Gm = 3440 ; Ia = 55 mA ; Vg = -116 V

Additional tests

  • Microphony: standard, compliant for hi-fi and musical use
  • Emission: excellent, stable, without fluctuations
  • Shorts and gas: absent

OTL Set

  • OTL set of 8–12 tubes available upon request with dedicated selection.

Discover why our tubes 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.