Add to Cart Quick view New Ip & Gm Factory Matched Octet (8) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $704.69 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $704.69 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Quad (4) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $354.86 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $354.86 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Sextet (6) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $530.22 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $530.22 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Pair (2) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $178.28 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $178.28 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Octet (8) Electro-Harmonix 2A3 Gold Grid Tubes Electro-Harmonix MSRP: Now: $507.90 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $507.90 Was: Add to Cart Quick view
Add to Cart Quick view Brand New Factory Tested Electro-Harmonix 300B Gold Grid & Pins Vacuum Tube Electro-Harmonix MSRP: Now: $88.89 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $88.89 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Quad (4) Electro-Harmonix 2A3 Gold Grid Vacuum Tubes Electro-Harmonix MSRP: Now: $256.04 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $256.04 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Sextet (6) Electro-Harmonix 2A3 Gold Grid Tubes Electro-Harmonix MSRP: Now: $381.70 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $381.70 Was: Add to Cart Quick view
Add to Cart Quick view New Ip & Gm Factory Matched Pair (2) Electro Harmonix 2A3 Gold Grid Vacuum Tubes Electro-Harmonix MSRP: Now: $129.07 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $129.07 Was: Add to Cart Quick view
Add to Cart Quick view Brand New Factory Tested Electro-Harmonix 2A3 Gold Grid Vacuum Tube Electro-Harmonix MSRP: Now: $64.29 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $64.29 Was: Add to Cart Quick view
Add to Cart Quick view New Current Matched Sextet (6) Psvane 300B HiFi Series Vacuum Tubes Gold Pins Psvane MSRP: Now: $364.88 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $364.88 Was: Add to Cart Quick view
Add to Cart Quick view New Current Matched Octet (8) Psvane 300B HiFi Series Vacuum Tubes Gold Pins Psvane MSRP: Now: $485.75 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $485.75 Was: Add to Cart Quick view
Add to Cart Quick view New Current Matched Quad (4) Psvane 300B HiFi Series Vacuum Tubes Gold Pins Psvane MSRP: Now: $244.17 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $244.17 Was: Add to Cart Quick view
Add to Cart Quick view New Psvane 300B HiFi Series Vacuum Tube Plate Current Tested GOLD PINS Hi-Fi Psvane MSRP: Now: $61.32 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $61.32 Was: Add to Cart Quick view
Add to Cart Quick view New Current Matched Pair (2) Psvane 300B HiFi Series Vacuum Tubes Gold Pins Psvane MSRP: Now: $123.20 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $123.20 Was: Add to Cart Quick view
Add to Cart Quick view Plate Current Matched Octet (8) Sovtek 2A3 Triode Power Vacuum Tubes Sovtek MSRP: Now: $383.31 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $383.31 Was: Add to Cart Quick view
Add to Cart Quick view Plate Current Matched Quad (4) Sovtek 2A3 Triode Power Vacuum Tubes Sovtek MSRP: Now: $192.59 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $192.59 Was: Add to Cart Quick view
Add to Cart Quick view Plate Current Matched Sextet (6) Sovtek 2A3 Triode Power Vacuum Tubes Sovtek MSRP: Now: $288.47 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $288.47 Was: Add to Cart Quick view
Add to Cart Quick view Plate Current Tested Sovtek 2A3 Triode Power Vacuum Tube- Brand New Sovtek MSRP: Now: $48.72 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $48.72 Was: Add to Cart Quick view
Add to Cart Quick view Plate Current Matched Pair (2) Sovtek 2A3 Triode Power Vacuum Tubes Sovtek MSRP: Now: $98.02 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $98.02 Was: Add to Cart Quick view
Add to Cart Quick view New Genalex Reissue PX300B / 300B GOLD PIN Matched Octet (8) Vacuum Tubes Genalex MSRP: Now: $868.75 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $868.75 Was: Add to Cart Quick view
Add to Cart Quick view New Genalex Reissue PX300B / 300B GOLD PIN Matched Quad (4) Vacuum Tubes Genalex MSRP: Now: $435.26 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $435.26 Was: Add to Cart Quick view
Add to Cart Quick view New Genalex Reissue Current Matched Pair (2) PX300B / 300B GOLD PIN Vacuum Tubes Genalex MSRP: Now: $218.71 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $218.71 Was: Add to Cart Quick view
Add to Cart Quick view Brand New In Box Genalex Reissue PX300B / 300B GOLD PIN Vacuum Tube Genalex MSRP: Now: $109.25 Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! ... MSRP: Now: $109.25 Was: Add to Cart Quick view
Add to Cart Quick view True NOS NIB Sylvania Leaf Logo USA 6A3 Blk 2-Connected Plt SPRING FILAMENT Tube Sylvania MSRP: Now: $119.75 Was: Tube Type / Number: 6A3Actual Brand*: Sylvania [Leaf Logo]Printed Brand: Sylvania [Leaf Logo]Quantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Black Dual ConnectedGetter Construction: Bottom D FoilCountry of Manufacture: USAVisible Date... MSRP: Now: $119.75 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Octet (8) Electro-Harmonix 300B Ceramic Vacuum Tubes Electro-Harmonix MSRP: Now: $551.70 Was: New Factory Tested & Matched Octet of Electro-Harmonix 300B Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original... MSRP: Now: $551.70 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Sextet (6) Electro-Harmonix 300B Ceramic Vacuum Tubes Electro-Harmonix MSRP: Now: $414.81 Was: New Factory Tested & Matched Sextet of Electro-Harmonix 300B Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original... MSRP: Now: $414.81 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Pair (2) Electro-Harmonix 300B Ceramic Vacuum Tubes Electro-Harmonix MSRP: Now: $140.16 Was: New Factory Tested & Matched Pair of Electro-Harmonix 300B Ceramic Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the... MSRP: Now: $140.16 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Quad (4) Electro-Harmonix 300B Ceramic Vacuum Tubes Electro-Harmonix MSRP: Now: $278.18 Was: New Factory Tested & Matched Quad of Electro-Harmonix 300B Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original... MSRP: Now: $278.18 Was: Add to Cart Quick view
Add to Cart Quick view New Electro-Harmonix 300B Ceramic Vacuum Tube Electro-Harmonix MSRP: Now: $69.79 Was: New Factory Tested Electro-Harmonix 300B Ceramic Vacuum Tube Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original Western Electric... MSRP: Now: $69.79 Was: Add to Cart Quick view
