RCA 6FQ7 Clear Topby Auw JimmyMarch 6, 2010Collectible Stuff0 Must be another lucky day… RCA 6CG7 Clear Top. One of most wanted item. Tested very good on my Knight 600. Will check more detail after my Hickok 539B completely refurbished. I love the clear view on the top of it! 🙂 Share this post Previous Next Auw Jimmy Related Posts DIY Power Distributor with All Furutech NCF Socket Infinity Power 3 Audiophile Fuse: When Safety Can Be Fun! Schumann Resonator Made in Indonesia (Continued) Schumann Resonator Made in Indonesia Korg MR-2000S: Looking What’s Under the Hood Grayhill Rotary Switch + Texas Components TX2575 Resistor = Ultimate Volume Control? Testing ASUS Xonar Essence STX II 7.1 HP Agilent 3561A Dynamic Signal Analyzer Testing J&K Power Transformer Comments are closed.