12AT7/ECC81 RCA Made in U.S.A Amplitrex AT1000 1 Match Quad 4 Pcs

RCA 12AT7 / ECC81 – Red Print – Made in U.S.A

• ✅ Type: 12AT7 / ECC81
• ✅ Brand: RCA
• ✅ Getter Type: “O” Getter
• ✅ Print: Red Print
• ✅ Glass: Clear Glass
• ✅ Origin: Made in U.S.A
• ✅ Condition: New Old Stock (NOS), New in Original Box
• ✅ Tested on: Amplitrex AT1000 Advance Digital Tube Tester

Test Results

About This Tube

The RCA 12AT7 / ECC81 is a high-quality dual triode tube known for its clarity, power, and dynamic range.
Widely used in hi-fi audio amplifiers, microphone preamps, and vintage radios, RCA tubes are prized for their rich tonal balance and smooth top-end.
The Red Print O-Getter version is a desirable variant offering excellent stability and low microphonics — a perfect choice for audiophiles seeking the authentic vintage RCA tone.

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