HYTRON labeled (possibly RCA USA manufacture).
Generally similar to: 6AU6A CV4023 EF94 6Ж4П 6P2 CV2524 M3622 6136 7543 6AU6W 6AU6WA 6AU6WC
5 Item Items
New Old Stock AMPLITREX AT1000 tested.
Warning: Last items in stock!
Tested on AMPLITREX AT1000.
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