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TUNG-SOL

12AX7 ECC83 Tung-Sol – Long Gray Plates Foil Dimpled Getter Matched Pair Tubes USA 1960

12AX7 ECC83 Tung-Sol – Long Gray Plates Foil Dimpled Getter Matched Pair Tubes USA 1960

$157.00 AUD
$157.00 AUD
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12AX7 ( ECC83 ) TUNG-SOL Long Gray Plates Foil Dimpled Getter Matched Pair Tubes MADE IN USA '60

Description:

The 12AX7 Tung-Sol Long Gray Plates , with foil getter and long gray plates , produced in the United States in 1960 , is a highly appreciated tube for its balanced, dynamic tone and excellent openness in the high range . This matched pair represents an excellent example of the finest American production, capable of combining musicality and technical precision , with a low noise floor and very coherent behavior even at high gain stages.

Bass: Solidly anchored and defined, with good articulation and control. Never intrusive, but with just the right presence to support the entire sonic message.

Mids: Clean, clear, and slightly open. Vocals and solo instruments emerge naturally and without excessive coloration, offering a good balance between neutrality and musicality.

Highs: Airy and well-extended, with a touch of brightness that adds definition to the soundstage without ever becoming harsh. The high range is particularly pleasant on neutral or slightly warm systems.

Dynamics: Responsive and articulate, with a quick and smooth transient response. Listening is always engaging and realistic, even at low volumes.

Soundstage: Wide and coherent, with good depth and stable imaging. Instruments are well separated and placed, contributing to an orderly and precise soundstage.

The 12AX7 Tung-Sol Long Gray Plates is an excellent choice for those looking for a precise, transparent but never cold tube, ideal for both hi-fi applications such as line and phono stages , and for guitar amplifiers where definition, headroom and great sonic articulation are desired.

🎸 Use in Guitar and Bass Amplifiers

The 12AX7 Tung-Sol Long Gray Plates is a tube highly prized by musicians for its fast dynamic response , midrange definition , and high-end transparency . In guitar applications, it offers a clear, articulate, and musically balanced sound, making it ideal for those who want to maintain tonal accuracy even in overdriven situations.

🔊 Ideal for musicians looking for:

  • Bright but stable cleans, with quick attack and good separation between notes
  • Responsive and defined overdrive, without excessive compression or muddying
  • Touch-sensitive dynamics, great for those who use the guitar as an expressive instrument
  • Generous headroom, useful in contexts with articulated pedals or dynamic effects

Examples of amplifiers where it performs very well:
🎸 Fender Deluxe Reverb / Twin Reverb – Clear tone, with presence and articulation perfect for clean and blues crunch
🎸 Marshall Plexi / JCM800 – In the early preamp stages it offers definition and reduces excessive compression
🎸 Vox AC30 Top Boost – Maintains the typical Vox brightness without harshening the sound
🎸 Mesa/Boogie Mark Series – Increases clarity in clean and lead channels, especially in complex setups
🎸 Ampeg V4 / SVT – On bass amps ensures punch, precision and headroom even with active pickups

🎯 Note to rock, funk and blues guitarists:
This tube is ideal for those who want a punchy, open, and always controlled sound , even with distortion. It is less suitable for those looking for a "fat" and colored saturation: in that case, tubes like RCAs or Mullard Black Plates may be preferable for greater harmonic euphony.

Test Results:

Valve tested on AMPLITREX AT-1000 Tube Tester:

  • Test Conditions: Va = 250V ; Vg = -2V
  • Average 100%: Gm = 1600 ; Ia = 1.2 mA
  • Test Result: VERY STRONG

Valve 1:

  • Section 1: Gm = 1500 ; Ia = 0.9 mA
  • Section 2: Gm = 1600 ; Ia = 1.0 mA

Valve 2:

  • Section 1: Gm = 1300 ; Ia = 0.9 mA
  • Section 2: Gm = 1400 ; Ia = 0.8 mA
Additional Tests Performed:
  • Microphonics: Low. Tested and approved for use in hi-fi and guitar amplifiers.
  • Output Quality: Excellent – ​​Very strong and stable output, no fluctuations.
  • Short circuits and GAS: Absent.

Conditions:

  • Condition: Vintage tubes - Tested and in perfect working order. Shipped in our custom box for optimal protection.
  • Functionality: Fully functional.
  • Cosmetic condition: One in Excellent condition and one in Fair condition – See photos for details.
  • Manufacturing Code: 3226001-1 - 1st week of 1960

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.