Cheap And Discounts PCB Mount K8A 8 Pin Octal Ceramic Tube Socket Base For 6P3P 6SN7 6N8P EL34 274B 5Z4P 6550 KT88 KT66 6L6 Hifi Audio AMP DIY 10PCS Wholesale. Buy Directly From Merchant GD-PARTS. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.