Add to Cart Quick view New Ip & Gm Factory Matched Octet (8) Electro-Harmonix 300B Gold Grid & Pins Tubes Electro-Harmonix MSRP: Now: $754.92 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: $754.92 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: $380.20 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: $380.20 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: $568.65 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: $568.65 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: $191.83 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: $191.83 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: $546.47 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: $546.47 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: $95.41 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: $95.41 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: $275.18 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: $275.18 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: $411.03 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: $411.03 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: $138.84 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: $138.84 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: $69.31 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: $69.31 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Sextet (6) Psvane 300B Hi-Fi Series Vacuum Tubes Psvane MSRP: Now: $397.12 Was: New Plate Current Matched Sextet of Psvane 300B Hi-Fi Series Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction, along with a build... MSRP: Now: $397.12 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Octet (8) Psvane 300B Hi-Fi Series Vacuum Tubes Psvane MSRP: Now: $528.11 Was: New Plate Current Matched Octet of Psvane 300B Hi-Fi Series Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction, along with a build... MSRP: Now: $528.11 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Quad (4) Psvane 300B Hi-Fi Series Vacuum Tubes Psvane MSRP: Now: $267.85 Was: New Plate Current Matched Quad of Psvane 300B Hi-Fi Series Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction, along with a build... MSRP: Now: $267.85 Was: Add to Cart Quick view
Add to Cart Quick view New Psvane 300B Hi-Fi Series Vacuum Tube Psvane MSRP: Now: $67.14 Was: New Plate Current Tested Psvane 300B Hi-Fi Series Vacuum Tube As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction, along with a build quality... MSRP: Now: $67.14 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Pair (2) Psvane 300B Hi-Fi Series Vacuum Tubes Psvane MSRP: Now: $135.04 Was: New Plate Current Matched Pair of Psvane 300B Hi-Fi Series Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction, along with a build... MSRP: Now: $135.04 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: $413.82 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: $413.82 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: $208.17 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: $208.17 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: $310.44 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: $310.44 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: $52.83 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: $52.83 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: $106.50 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: $106.50 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Octet (8) Genalex PX300B Gold Pins Vacuum Tubes Genalex MSRP: Now: $929.48 Was: New Plate Current Matched Octet of Genalex PX300B Gold Pins Vacuum Tubes In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of... MSRP: Now: $929.48 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Quad (4) Genalex PX300B Gold Pins Vacuum Tubes Genalex MSRP: Now: $467.09 Was: New Plate Current Matched Quad of Genalex PX300B Gold Pins Vacuum Tubes In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of... MSRP: Now: $467.09 Was: Add to Cart Quick view
Add to Cart Quick view New Matched Pair (2) Genalex PX300B Gold Pins Vacuum Tubes Genalex MSRP: Now: $234.62 Was: New Plate Current Matched Pair of Genalex PX300B Gold Pins Vacuum Tubes In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of... MSRP: Now: $234.62 Was: Add to Cart Quick view
Add to Cart Quick view New Genalex PX300B Gold Pins Vacuum Tube Genalex MSRP: Now: $117.43 Was: New Plate Current Tested Genalex PX300B Gold Pins Vacuum Tube In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of Genalex to... MSRP: Now: $117.43 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: $617.39 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: $617.39 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: $463.79 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: $463.79 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: $157.11 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: $157.11 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: $310.43 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: $310.43 Was: Add to Cart Quick view
Add to Cart Quick view New Electro-Harmonix 300B Ceramic Vacuum Tube Electro-Harmonix MSRP: Now: $78.45 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: $78.45 Was: Add to Cart Quick view
