Add to Cart Quick view RCA 5557 New in Box Thyratron Mercury Vapor Triode RCA MSRP: Now: $99.99 Was: This RCA 5557 New in Box Thyratron Mercury Vapor Triode, is a rare find. Newer versions of this tube do not have the quality of this original RCA. Description 5557 THYRATRON TUBE HIGH SENSITIVITY SPARK PROTECTION TUBE FOR HIGH FREQUENCY MACHINE... MSRP: Now: $99.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $99.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146 Used Vacuum in Original Box Tested 100 % Preferred for Collins Radios #11 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146 Used Vacuum in Original Box Tested 100 % Preferred for Collins Radios #12 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146 Used Vacuum in Original Box Tested 95 % Preferred for Collins Radios #16 RCA MSRP: Now: $18.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 95% Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $18.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $18.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146 Used Vacuum Tested 95 % Preferred for Collins Radios #18 RCA MSRP: Now: $16.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 95% Grid Emission. The tube in the photograph is the actual Tube in this listing. The original box was not in good shape This tube comes... MSRP: Now: $16.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $16.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B NOS Vacuum Tube Tested 100 % in Original Box RCA MSRP: Now: $29.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. All NOS tubes I sell measure 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $29.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $29.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B NOS Vacuum Tube Tested 100 % in Original Box #4 RCA MSRP: Now: $29.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. All NOS tubes I sell measure 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $29.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $29.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B Used Vacuum in Original Box Tested 100 % #13 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B Used Vacuum in Original Box Tested 100 % #14 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B Used Vacuum in Original Box Tested 100 % #15 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6146B Used Vacuum Tested 100 % #29 RCA MSRP: Now: $24.99 Was: This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual Conductance Tube Tester. This tube measures 100 % Grid Emission. The tube in the photograph is the actual Tube in this listing... MSRP: Now: $24.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $24.99 Was: Subtotal: Add to Cart
Add to Cart Quick view RCA 6293 (heavy duty variant of the 6146 series) NOS Vacuum Tube Tested 100 % RCA MSRP: Now: $44.99 Was: NOTE: I only have a small number of these New old Stock 6293 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes are in new condition. Each tube is in a generic box. This Tube has been tested on a Dyna-Quick... MSRP: Now: $44.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $44.99 Was: Subtotal: Add to Cart