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overprice tactic of premium tubes ; Shuguang Treasure 300B precision test. Don't be ripped off
First test with Shuguang 300B WE Replica
300B triode Audio tron Vs ShuGuang
Full Music vs Shuguang 300B triode precision test by mutual conductance meter TV-7D & 300B SET amp
Winding the grid of a 300B
756 Taylor tube test on TV 7AU tube tester..
Switch on of an ACME 300b with particles on the anode
✓ SHUGUANG SOUND OF TEANA SERIE KT88-T TUBE HIFI EXQUIS NATURAL SOUND FACTORY FULL MATCHED KT88 VAC
Assembly of a 300B Par 4, adding the plates
LINLAI TUBE 300B-G Test
testing with linlai elite 845 and linlao elite 300b video 1
LM219IA plus with linlai elite 300b tube. better clarity over WE 300b version.
