Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes

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  • All prices are per tube

    Sylvania 6550

    NOS Sylvania 6550 Metal Base $299.99 per tube! Over 60 pcs In Stock! Extremely tight matching! Extremely rare! Best sounding next to Tung Sol,,,extremely open, lively, and dynamic! Amazing highs and very tight bass response! Order now. All pieces matched within 1-3 mA!

    $225.00
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