Add to Cart Quick view New Ip & Gm Factory Matched Octet (8) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $668.87 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: $668.87 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: $336.38 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: $336.38 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: $502.74 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: $502.74 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: $169.10 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: $169.10 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: $478.29 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: $478.29 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: $84.01 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: $84.01 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: $241.40 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: $241.40 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: $359.88 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: $359.88 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: $121.18 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: $121.18 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: $60.57 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: $60.57 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: $360.18 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: $360.18 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: $479.48 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: $479.48 Was: Add to Cart Quick view
