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Vacuum Tubes – Tagged "NOS Tubes" – Upscale Audio

    https://upscaleaudio.com/collections/vacuum-tubes/nos-tubes
    Upscale Audio 2058 Wright Avenue La Verne, California 91750 (909) 931-9686. DEMOS & SALES BY APPOINTMENT ONLY Monday-Friday 8:30am - 5:30pm Pacific

Audio Tubes | Rare and Vintage Collections

    https://www.nosaudiotubes.com/
    1MP 2A3 RCA NOS Dual “D” Getter Made in U.S.A Amplitrex Tested#977013&19. RCA, Tube By Brand. The above price for 1 Matched Pair (2 pcs) Actual Brand : 2A3 VT95 RCA. Dual "D" Getter. Date Code :- 743/809. New In White Box (Unused) Made in U.S.A. Black Base, Clear Glass.

Upscale Audio

    https://upscaleaudio.com/
    Upscale Audio 2058 Wright Avenue La Verne, California 91750 (909) 931-9686. DEMOS & SALES BY APPOINTMENT ONLY Monday-Friday 8:30am - 5:30pm Pacific

NOS Vacuum Tubes for Sale | Tubes Unlimited

    https://www.nosvacuumtubes.net/
    We are the premier online vacuum tube supplier for Audio, Hifi, and Guitar Amps and have a huge selection of audio vacuum tube types for almost every application! Some of the Rarest NOS audio vacuum tube types you will see online for every possible tube requirement! Highest Quality- We specialize in Rare, High Quality, NOS audio vacuum tube types! Free Noise and microphonics …

Mullard 12AX7 - Upscale Audio

    https://upscaleaudio.com/products/mullard-12ax7
    Mullard 12AX7 – Upscale Audio Home › Mullard 12AX7 Mullard 12AX7 $34.95 $34.95 No tube sales outside of U.S. and Canada. No freight forwarders. No exceptions. 90-DAY WARRANTY Defective tubes will be replaced with like items only; carefully read the Warranty Policy for exceptions. You are responsible for ordering the correct tube type.

Upscale Audio -- Tubes and Reliability - Audiogon Marketplace

    https://forum.audiogon.com/discussions/upscale-audio-tubes-and-reliability
    As an fyi, Upscale Audio burns in their tubes for 72 hours before testing and matching. Yes, there have been some glitches here and there, but so far Kevin has always come througth and made good. Although I still buy some tubes from ARC, on rare occassion a few tubes blew shortly after purchase. Yes . . . ARC was 100% reliable in making good.

NOS Mullard CV4025/12AT7 Kevin's Stash Upscale Audio | Tubes

    https://www.audiogon.com/listings/lisaf286-nos-mullard-cv4025-12at7-kevin-s-stash-upscale-audio-tubes
    NOS Mullard CV4025/12AT7 Kevin's Stash Upscale Audio [Expired] no longer for sale. Average. Research Pricing. With my Leben RS-30EQ now sold I have no need for the following. Unused pair of "Kevin's Stash" grade Mullard CV4024/12AT7. When I purchased these I did not realize I already had a "Platinum Grade" pair from Upscale Audio I purchased 10 ...

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