5R4 5U4 5AR4 5Y3 5V4 5AS4 CV1575 5u4gb cv575 / 300B, 2A3, 6A3, VT52 +. carefully curated classic. 5691 5692 5654 5687 5814 5751 5881 5998 5965 / 5y3 5u4g 5ar4/gz34 z729 ecc85 ecc186 ecc813 6463. e99f ef94 ef95 ef86 / ez80 ez81 ez90 cv575 cv1377 cv1985 cv4003 cv4004 cv4024 cv455 cv4068 cv4085 cv4010.
eBay