Add to Cart Quick view Johnson 122-101 Tube Socket Assembly with Integrated Vented Flange for the 3CX1500A7/8877 Amplifier Tube Johnson MSRP: Now: $39.99 Was: This Johnson 122-101 Tube Socket Assembly with Integrated Vented Flange, is for the 3CX1500A7/8877 Amplifier Tube. This Assembly is in Excellent Condition. It has 7 vent holes for pressurized cooling. I currently have 3 of these units... MSRP: Now: $39.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $39.99 Was: Subtotal: Add to Cart