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RCA

12AY7 RCA NOS Gray Plates Halo Getter AMPLITREX Tested Tube MADE IN USA

12AY7 RCA NOS Gray Plates Halo Getter AMPLITREX Tested Tube MADE IN USA

€89,00 EUR
€89,00 EUR
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12AY7 RCA NOS Gray Plates Halo Getter AMPLITREX Tested Tube MADE IN USA

Description:

We offer a 12AY7 RCA (6072 designation) in NOS (New Old Stock) condition, with the classic gray plates and halo getter construction. Manufactured in the United States, this tube is tested and ready for use. It represents the most elegant RCA sound school, with low noise, excellent micro-detail, and a natural musicality that favors long, relaxed listening sessions.

Sonic Description

Bass: dry and tight, well-controlled; clean and articulated fundamental without bloating.
Mids: velvety and transparent; credible vocals and acoustic instruments with body and naturalness.
Highs: fine and graceful; airy extension without harshness, elegant RCA typical grain.
Dynamics: fluid and proportionate; legible micro-contrast and controlled transients.
Soundstage: orderly and stable scene; good depth and precise central focus.

🎧 Use in Hi-Fi Amplifiers

The 12AY7 RCA is recommended for input or driver stages where perfect balance between sections is not required, and for hi-fi projects seeking transparency, low noise, and tonal coherence. Excellent as a more "refined" alternative to the 12AX7 when lower gain and greater headroom are desired.

🎸 Use in Musical Amplifiers

Highly appreciated in V1 or the input stages of guitar and microphone amps, where it offers superior clean headroom, natural compression, and controlled attack. Perfect for blues, jazz, studio recording, and for those who desire clarity, soft dynamics, and less saturation compared to a 12AX7.

🎯 Note for Audiophiles and Technicians

Original NOS RCA tube, tested and verified, with balanced sections. Ideal for those seeking the RCA sound character in critical positions. A balanced and reliable vintage RCA: the classic American sonic signature, with elegance, order, and naturalness.

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 :

  • Section 1: Gm = 1500 ; Ia = 2.3 mA
  • Section 2: Gm = 1510 ; Ia = 2.5 mA

Additional Tests Performed:
  • Microphonics and Noise: Low. Tested and suitable for hi-fi use even in phono stages and 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.

Condition:

  • Condition: NOS - New Old Stock - Tested and working - Supplied in our custom box for optimal protection. 
  • Functionality: Fully operational.
  • Cosmetic Condition: Excellent – Markings excellently preserved, minimal signs of age. See photos for details.
  • Manufacturing Code: 73-09 → RMA/EIA Open Date Code → manufactured in the 9th week of 1973

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.