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New Plate Current Matched Sextet of Tung-Sol 6550 (KT88) Coke Bottle Reissue Vacuum Tubes This 6550 has everything its vintage counterpart featured down to the bottle shape and size, three getter construction, gold grids, and carbonized plates. From the...

The Sprague Atom Electrolytic capacitor series is legendary and has been around for more than 50 years and it’s no wonder why. These caps are known for their tight tolerances, reliability and excellent tone. These have been the go-to choice for amp techs...

New Plate Current Matched Octet of Tung-Sol 6L6GC STR Reissue Vacuum Tubes The Tung-Sol legacy continues with the introduction of the new 6L6GC STR. The ultimate in musical tone and smooth overdrive, the STR delivers the sound that established Tung-Sol...

New Plate Current Matched Pair of Shuguang Treasure KT88-Z Smoked Vacuum Tubes The KT88-Z features special carbon sprayed smoked glass which helps electrons flow more smoothly and reduces noise. As a part of the treasure series, this is one of the more...

New Gain Matched Quintet of Electro-Harmonix 12AX7 Vacuum Tubes The EHX 12AX7 has become a standard, known for it's high gain and excellent mids and bass. It has a spiral wound filament to help cut down on noise and hum just like the vintage 7025 or...

New Plate Current Tested Electro-Harmonix 6973 Vacuum Tube Thanks to Electro-Harmonix the 6973 is finally affordable and easy to find! This tube has long caused trouble as the originals are so scarce. Many companies were re-branding the less powerful...

New Plate Current Matched Octet of Tung-Sol 7581A (KT66) Vacuum Tubes The Tung-Sol 7581A is rated at a higher 35 watts compared to the standard 7581 or 6L6GC. This tube is a direct substitute for the KT66, and is in fact a version of the KT66. These...

New Gain Matched Quad of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...

New Gain Matched Quad of Electro-Harmonix 12AU7 / ECC82 GOLD PINS Vacuum Tubes This is the same tube as the standard Electro-Harmonix 12AU7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they also...

New Plate Current Matched Quad of Tung-Sol Reissue 6L6G Fat Bottle Vacuum Tubes The Tung-Sol 6L6G features the same internal construction as the 6L6G straight bottle, but is put into the traditional larger shouldered glass. Will work in place...

New Gain Matched Sextet of Electro-Harmonix EL34 Vacuum Tubes The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy. It is the perfect EL34 for vintage equipment and a sure way...

New Plate Current Matched Sextet of Mullard EL34 / 6CA7 Vacuum Tubes The Mullard EL34 is one of the most famous tubes of all time. It is now back as one of the most versatile tubes for use in high fidelity stereo equipment and amplifiers. Will work in...

New Plate Current Matched Sextet of Tung-Sol 6L6GC STR Reissue Vacuum Tubes The Tung-Sol legacy continues with the introduction of the new 6L6GC STR. The ultimate in musical tone and smooth overdrive, the STR delivers the sound that established Tung-Sol...

New Gain Matched Trio of Mullard 12AU7 / ECC82 Reissue Vacuum Tubes The Mullard 12AU7 has a warm and detailed sound that is great for McIntosh amplifiers or any Hi-Fi low-noise circuits (and for any amplifier that calls for 12AU7, ECC82, 6189 etc. for...

New Gain Tested Electro-Harmonix 12DW7 / ECC832 Vacuum Tube Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality • Relabeled...

New Plate Current Matched Octet of Electro-Harmonix EL84 (6BQ5) Vacuum Tubes Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully...

New Gain Matched Quad of Electro-Harmonix 12AY7 / 6072A Vacuum Tubes One of the only current production 12AY7 tubes on the market. This tube has proven itself and has stood the test of time. Molded after the famous GE 6072A - this tube has the correct...

New Gain Matched Septet of Tung-Sol 12AX7 / ECC83 Reissue Vacuum Tubes The Tung-Sol 12AX7 is one of the very best new production 12AX7 models offered. These tubes are high gain, low microphonics and are VERY warm and detailed. You'll get true 3D sound...

New Gain Matched Sextet of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...

New Factory Tested Electro-Harmonix 300B Gold Pins 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...

New Plate Current Matched Octet of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Matched Quad of Electro-Harmonix 2A3 Gold Grid Vacuum Tubes Modeled after the original 2A3 type (such as the RCA 2A3 from the 1930s), the Electro-Harmonix 2A3 Gold Grid tubes feature a gold-plated grid, gold plated pins and a ceramic base. ...

New Gain Matched Quad of Tung-Sol 6SL7 (6SL7GT) Vacuum Tubes The Tung-Sol 6SL7 / 6SL7GT is a warm and detailed tube. It’s one of the only new production 6SL7s available, and these are robust with excellent dynamics. Will work in place...

New Gain Matched Trio of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...

New Gain Matched Trio of Tung-Sol 12AU7 / 6189 (ECC82) Reissue Vacuum Tubes One of the best modern 12AU7s on the market, the official model number is 12AU7WA / 6189 which is the military designation for the 12AU7. With a rich and detailed tone, the...

New Gain Matched Quintet of Mullard 12AX7 Vacuum Tubes The Mullard 12AX7 is a versatile tube for many amplifiers like the Fender Deluxe line and more. They are also great for Hi-Fi stereo amplifiers. Producing a smooth tone, they have a surprisingly...

New Gain Matched Trio of Electro-Harmonix 12AY7 / 6072A Vacuum Tubes One of the only current production 12AY7 tubes on the market. This tube has proven itself and has stood the test of time. Molded after the famous GE 6072A - this tube has the correct...

New Plate Current Tested Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a 6550 or KT88...

New Plate Current Matched Quad of Electro-Harmonix 6550 Ceramic Vacuum Tubes The 6550EH is one of the finest new production tubes for any amp using 6550 or KT88. The 6550EH offers the maximum power of any 6550 with the linearity guitar and bass players...

New Gain Matched Trio of Electro-Harmonix 6922 Vacuum Tubes The 6922 is famous for its high gain and high general mutual transconductance. They're one of the sweetest and most dynamic 6922’s out. The 6922 is the long life, low noise version of the...

New Electro-Harmonix 300B Gold Grid & Pins Vacuum Tube This new production EH 300B Gold Grid offers the same specs of vintage Western Electric 300Bs like wide-shoulder ST shape, 40 watt plate dissipation, and 8-course directly heated filaments. With...

New Plate Current Matched Octet of Electro-Harmonix KT88 Vacuum Tubes The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different...

New Matched Pair of Electro-Harmonix 6CA4 / EZ81 Vacuum Tubes The most reliable and best sounding small rectifier on the market. The 6CA4, 6CA4A and EZ81 are all the same tubes / compatible. An excellent choice for 18 Watt Marshalls in particular, as...

New Gain Matched Trio of Tung-Sol Reissue 6EU7 Vacuum Tubes As vintage 6EU7s become rarer, Tung-Sol's new production 6EU7 brings back the same high quality and reliability; making it easier to replace in vintage amps like old Gibsons.  ...

Brand New Gain Tested Tung-Sol Reissue 6SL7 Gold Pins Vacuum Tube Bringing that vintage construction and performance back with the Tung-Sol 6SL7, the addition of gold pins increases a cleaner connection and snugger fit.  Will work in...

New Plate Current Tested Tung-Sol Reissue 7027A Vacuum Tube The 7027A boasts a vigorous and sturdy output and is a fantastic complement to most vintage Ampeg amps. Will work in place of: 7027, 7027A Testing and/or Matching At VIVA TUBES,...

New Plate Current Matched Octet of Tung-Sol EL84 (6BQ5) Vacuum Tubes Due to popular demand, the Tung-Sol EL84/6BQ5 has been reissued. The Tung-Sol EL84/6BQ5 was a popular OEM tube for American-made EL84/6BQ5 guitar amplifiers, such as those built by...

New Gain Matched Quad of Electro-Harmonix 12BH7 Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7. Will work in place...

New Matched Quad of Electro-Harmonix 5U4GB Vacuum Tubes Modeled after the famous RCA black plate 5U4GB, this is one of the best rectifier tubes out today. This is the newer version with improved grid structure for more reliability and stable voltages...

New Plate Current Matched Sextet of Electro-Harmonix 6CA7 (EL34) Fat Bottle Vacuum Tubes    This classic big bottle 6CA7 is a tetrode rather than a pentode like the EL34. Both tubes are interchangeable but many prefer the rich and...