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TUNG-SOL

12AY7 NOS NIB TUNG-SOL Gray Plates Square Getter AMPLITREX Tested Made in USA

12AY7 NOS NIB TUNG-SOL Gray Plates Square Getter AMPLITREX Tested Made in USA

€94,00 EUR
€94,00 EUR
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12AY7 / 6072 TUNG-SOL NOS NIB Gray Plates Square Getter – Made in USA

AMPLITREX Tested – STRONG – Same Data Codes

The price refers to one selected tube

Description:

These 12AY7 Tung-Sol NOS NIB tubes are a splendid testament to vintage American manufacturing, featuring Gray Plates and Square Getter construction, characteristics highly valued by audiophiles and musicians seeking an authentic, musical, and highly characterful 12AY7 tube.

The two available tubes have the same manufacturing codes and original Tung-Sol boxes. They are not offered as a matched pair but sold individually, allowing the customer to purchase a carefully selected, tested, and verified NOS tube.

Each unit has been tested on an AMPLITREX AT-1000 Tube Tester and yielded a STRONG result, with stable emission and values fully suitable for use in audio and musical applications.

Sonic Description

The 12AY7 Tung-Sol offers a refined, dynamic, and natural sonic signature, with lower gain than the 12AX7 and a particularly balanced response. It is an ideal tube when more control, greater headroom, and a less aggressive but detail-rich presentation are desired.

Bass
Controlled, dry, and well-articulated. They provide a solid foundation without weighing down the sonic message.

Mids
Natural, musical, and very legible. Vocals and acoustic instruments maintain a credible presence, with beautiful harmonic richness.

Highs
Clean and open, with good extension and no harshness. The rendition remains elegant and pleasant even during prolonged listening.

Dynamics
Smooth and reactive, with excellent transient handling. The tube responds progressively and controllably, a very useful characteristic in both hi-fi and guitar amplifiers.

Soundstage
Orderly, airy, and well-focused, with good instrument separation and a stable sound scene.

🎧 Use in Hi-Fi Amplifiers

In hi-fi applications, the 12AY7 Tung-Sol is suitable for compatible circuits that require a low-noise, musical, and well-controlled tube. It can offer a more relaxed and natural presentation compared to higher-gain tubes, while maintaining excellent definition and great tonal balance.

🎸 Use in Musical Amplifiers

In guitar amplifiers, the 12AY7 is highly valued for reducing gain in preamp stages, increasing headroom, and achieving a more dynamic and controllable response. Tung-Sol production adds body, naturalness, and a pleasant vintage softness.

🎯 Note for Audiophiles and Technicians

The price refers to a single selected tube. The available tubes share the same manufacturing codes but are sold individually and not as a matched pair.

A highly appealing Tung-Sol NOS NIB selection, designed for those who desire an authentic American 12AY7, tested and ready to offer a balanced, musical, and rich vintage sound.

Test Results

Tested on AMPLITREX AT-1000 Tube Tester

Voltage Test: Va = 250V, Vg = -4V
Average 100%: Gm = 1700 ; Ia = 3.0 mA
TEST RESULT: STRONG

Tube 1:

  • Section 1: Gm = 1800 ; Ia = 3.4 mA
  • Section 2: Gm = 1800 ; Ia = 3.4 mA

Tube 2:

  • Section 1: Gm = 1500 ; Ia = 2.7 mA
  • Section 2: Gm = 1600 ; Ia = 2.7 mA

Additional Tests performed:
  • Microphonics and Noise: Low. Tested and suitable for hi-fi use, including phono stages, and in guitar amplifiers. Also suitable for V1.
  • Balance: The sections are consistent and well-aligned, making the tube suitable for use as a phase inverter in hi-fi and instrumental applications.
  • Emission Quality: Excellent – Very strong and stable emission, without fluctuations.
  • Shorts and GAS: Absent.

Conditions:

  • Condition: NOS - NIB - New Old Stock, New In Box - Tested and working - Supplied in Original box.
  • Functionality: Perfectly operational.
  • Aesthetic condition: Excellent – Lettering optimally preserved, minimal signs of age. See photos for details.
  • Manufacturing Code: 322HT3 - 322 → Tung-Sol Electric Inc., Newark 4, N. J. - HT3 undecipherable, identifiable by construction characteristics. Late 1950s - early 1960s

Discover why our tubes 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.