RCA 12SR7 VT-133 Test NOS 2000gm 100% on Both Diodes Metal Serious Tubes R724
USD 7.00 USD
Specifications
| Brand | RCA |
| Country/Region Of Manufacture | United States |
| Type | Vacuum Tube |
Mutual Conductance: 2000gm where 1200gm is minimum and 1850gm NOS. Manufacturer: RCA. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more tubes.