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WESTINGHOUSE

12BH7A WESTINGHOUSE Black Plates Horse Shoe Getter USA 1963 AMPLITREX Tested

12BH7A WESTINGHOUSE Black Plates Horse Shoe Getter USA 1963 AMPLITREX Tested

€44,90 EUR
€44,90 EUR
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12BH7A WESTINGHOUSE Black Plates Horse Shoe Getter – Made in USA – 1963

AMPLITREX Tested – STRONG – Low Noise & Microphonics – Vintage American WESTINGHOUSE Production

Test Results

Tubes tested on AMPLITREX AT-1000 Tube Tester

Test Conditions: Va = 250V, Vg = -10.5V
Average 100%: Gm = 3.10 ; Ia = 11.5 mA
Test Result: STRONG

Tube:
  • Section 1: Gm = 2.6 ; Ia = 8.2 mA
  • Section 2: Gm = 2.5 ; Ia = 7.8 mA

Additional Tests Performed

  • Burn-in / Stability Test: 48h – OK
  • Microphonics: Low. Tested and suitable for use in hi-fi equipment and guitar amplifiers, even in the most sensitive audio stages.
  • Balance: Very good. The sections are consistent and well-matched, making the tube suitable for use as a phase inverter in hi-fi and instrumental applications.
  • Emission Quality: Strong – Strong and regular emission, suitable for any application.
  • Shorts and GAS: Absent.

Description:

Interesting 12BH7A WESTINGHOUSE, produced in the United States in 1963 and characterized by the sought-after Black Plates with Horse Shoe Getter construction, typical of robust American productions of the era.

The EIA code 337 identifies Westinghouse Electric Corporation, while the date code 63-09 places production in the 9th week of 1963, making this specimen particularly interesting for vintage restorations and equipment seeking an original American 12BH7A from the period.

The 12BH7A is a double triode appreciated in driver and line stages for its good driving capability, robustness, and operational stability. The Black Plates construction adds further appeal to this Westinghouse Made in USA specimen, intended for those seeking authentic vintage American production.

The tube has undergone 48 hours of burn-in / stability test and subsequently carefully tested in our laboratory using the Amplitrex AT-1000 Tube Tester, achieving a STRONG rating. The two sections show very good balance, with particularly consistent transconductance, and the tube also proved to be Low Noise & Microphonics, with strong and regular emission and no anomalies detected.

Thanks to the good balance between sections and the Low Noise & Microphonics selection, it is particularly interesting for driver stages, line stages, and phase inverters, as well as for hi-fi and instrumental amplifiers compatible with 12BH7 / 12BH7A, even in the most sensitive audio positions.

Sonically, vintage American 12BH7A tubes are appreciated for a solid, dynamic, and natural presentation, with well-present and controlled bass, full and defined mids, and a clean and well-articulated high range. The typical driving capability of the 12BH7A contributes to energetic and authoritative reproduction in equipment designed for this tube.

The tube is Vintage Used, carefully tested and fully functional. The aesthetic conditions are good, with partially eroded but still legible markings and the tube body in good overall condition.

An authentic WESTINGHOUSE 12BH7A Black Plates Horse Shoe Getter Made in USA from 1963, genuinely tested and selected by Vacuum Tubes Treasures, ideal for those seeking a strong, well-balanced, and quiet vintage American 12BH7A.

Condition

  • Condition: Vintage Tubes - Tested and fully functional. Supplied in our custom box for optimal protection.
  • Functionality: Fully operational.
  • Cosmetic Condition: Good – Markings partially eroded, but still legible. Tube body in good condition. See photos for details.
  • Manufacturing Code: 63-09 337 → 337 → Westinghouse Electric Corporation, Baltimore 3, Md. - 63-09 → RMA/EIA Open Date Code → manufactured in the 9th week of 1963

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
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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.

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