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  1. Genalex Gold Lion 12AU7 ECC82 B749 Vacuum Tube Upgrade ECC802 E82CC CV4003 HIFI Audio Valve

    Genalex Gold Lion 12AU7 ECC82 B749 Vacuum Tube Upgrade ECC802 E82CC CV4003 HIFI Audio Valve

    Aliexpress UK

  2. MULLARD M8136 CV4003 VALVE TUBE X2

    MULLARD M8136 CV4003 VALVE TUBES X2 in this lot.

    eBay

  3. Aogutx Gold Lion 12AU7 ECC82 B749 Vacuum Tube Upgrade ECC802 E82CC CV4003 HIFI Audio Valve

    Aogutx Gold Lion 12AU7 ECC82 B749 Vacuum Tube Upgrade ECC802 E82CC CV4003 HIFI Audio Valve

    Aliexpress UK

  4. CV4003 12AU7 Brimar NOS Audio Tube - Amplitrex TESTED -PLATINUM MATCHED PAIR

    NOS CV4003 12AU7 SPECIAL QUIALITY AUDIO TUBES - AMPLITREX TESTED - 2 PCS. AVG NOS= 2200 umhos. TUBE 01: 2300 umhos / 10.6 mA -2300umhos / 10.6 mA. TUBE 02: 2300 umhos / 10.4 mA -2300 umhos / 10.2 mA.

    eBay

  5. Mullard CV4003 12au7 ECC82 Box Plate NOS Matched Pair

    Both are tested NOS, balanced on my TV-7/U and sound wonderful in my hifi system. What you see is what you get. Sold as is. Besides, Vietnam. an invoice.

    eBay

  6. RARE MULLARD M8136 CV4003 ECC82 BOX PLATE NOS

    RARE MULLARD M8136 ECC82 12AU7 - NOS. TUBE 1 - Ia 10.7/10.4 gm 2.4/2.4. TESTED STRONG AND WELL BALANCED. 100% = Ia 10.5 gm 2.2. 631 R8K3 CODE FROM NOVEMBER 1968.

    eBay

  7. RARE MULLARD FOR PINNACLE M8136 CV4003 12AU7WA BOX PLATE NOS

    SUPERB STRONG TUBE. TUBE 1 - Ia 10.4/11.3 gm 2.2/2.3. 100% = Ia 10.5 gm 2.2. 631 R3J4 CODE FROM OCTOBER 1963.

    eBay

  8. RARE MULLARD M8136 CV4003 ECC82 BOX PLATE NOS BOXED 1973

    RARE MULLARD M8136 ECC82 12AU7 - NOS. 631 R3A3 CODE FROM JANUARY 1973. TESTED JUST BELOW NOS VALUES AND PERFECTLY BALANCED. TUBE 1 - Ia 10.1/10.1 gm 2.1/2.1.

    eBay

  9. Mullard CV4003 12au7 ECC82 Box Plate NOS Testing Values Balanced

    The tube was tested NOS, balanced on my TV-7/U and sound wonderful in my hifi system. What you see is what you get. Sold as is.

    eBay

  10. Mullard CV4003 12au7 ECC82 Box Plate NOS Testing Values Matched Pair

    Both are tested NOS, balanced on my TV-7/U and sound wonderful in my hifi system. What you see is what you get. Sold as is.

    eBay

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