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RCA

6CA4 ( EZ81 ) NOS NIB RCA Gray Plates Halo Getter Matched Pair Tubes Rectifiers Made in USA '66

6CA4 ( EZ81 ) NOS NIB RCA Gray Plates Halo Getter Matched Pair Tubes Rectifiers Made in USA '66

€84,90 EUR
€84,90 EUR
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6CA4 ( EZ81 ) NOS NIB RCA Gray Plates Halo Getter Matched Pair Tubes Rectifiers Made in USA '66

Description:

The 6CA4 (EZ81) NOS NIB RCA Gray Plates Halo Getter , made in the USA in 1966, are rectifiers renowned for their reliability and distinctive sonic contribution. This matched pair is ideal for vintage tube amplifiers and high-end Hi-Fi applications. high, offering a balanced and musical sound reproduction, with the characteristic warm timbre of RCA valves.

  • Lows: Deep and well-defined, with a tight and controlled response that provides a solid and stable sonic foundation. Ideal for genres that require precise and articulated dynamics.
  • Midrange: Warm and transparent, with a harmonic richness that enhances vocals and acoustic instruments, offering an immersive and natural sound experience.
  • Highs: Clean and crisp, with crystal clarity that brings out the finest details without being fatiguing.

The 6CA4 RCA Gray Plates stand out for their ability to maintain a wide and well-focused soundstage, with fluid dynamics and excellent instrument separation. This matched set is an excellent choice for those seeking a combination of musicality and sonic accuracy in audio applications. high level.

Test Results:

  • Valve tested on Funke W19 Tube Tester:

    • Test Conditions: Va = 60V, Vf = 6.3V
    • Average 100%: Ia = 74 mA
    • Test Result: VERY STRONG

  • Valve 1:

    • Section 1: Ia = 78 mA
    • Section 2: Ia = 80 mA

  • Valve 2:

    • Section 1: Ia = 78 mA
    • Section 2: Ia = 80 mA

Conditions:

  • Cosmetic Condition: NOS - NIB - New Old Stock, New In Box - Tested and working - In original box.
  • Functionality: Fully functional.
  • Manufacturing Code: NR = January 1966

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
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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.