Add to Cart Quick view RF Parts Branded Matched Pair of 3-500ZG Power Amplifier Tubes New in the Original Boxes 1998 Date Codes RF Parts MSRP: Now: $539.99 Was: [stylesheet-group="0"]{} body{margin:0;} button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;} html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:... MSRP: Now: $539.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $539.99 Was: Subtotal: Add to Cart