TUNGSRAM IEC SERVICEMASTER 6GH8 TUBE NOS NIB 7199 SUB NEEDS ADAPTER (5)

SERVICEMASTER IEC LABELED. SEARCH IN YOUTUBE: "Replacing 7199 With 6GH8 And Comparing THD In A Dynaco ST-70 Vacuum Tube Amplifier". IF YOU ARE USING THIS AS A 7199 SUB, MAKE SURE TO NOTE THE PIN OUTS ON THE DATA SHEETS AND MAKE ANY RELEVANT CHANGES TO THE PIN SOCKET OR USE THE APPROPRIATE ADAPTER.

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