This is the gold plated grid version of Electro-Harmonix 2A3. Excellent sonic, great construction with ceramic base. The gold plated grid reduces secondary emission and grid current. It's a definite step up from your OEM Sovtek 2A3 tubes. Price is for a matching pair.

Price is for a matching quad of Electro-Harmonix 2A3 Gold.

Sovtek 2A3 is one of the best values in direct heated triodes today. Compares very favorably to NOS 2A3 tubes in performance and sonics.
Price is for a matching pair.

Price is for a matching quad of Sovtek 2A3.

Brand new from JJ, this monster 2A3 can take 450V on the plate and dissipate a whopping 40W of pure directly heated triode power! It's built heavy and rugged.

Limited quantity.

Touted as one of the best current production 300B. Every JJ 300B is serialized and comes with a certificate of measurement from the manufacturer. The base is white ceramic, with thick glass bottle. This is the tube you want rugged, quality made 300B with clarity and musicality. Price is for a matching pair.

Electro-Harmonix 300B is the best value 300B available today. This is the version with gold grid wires reducing grid emission for better linearity. Price is for a matching pair. Inquire about matching quad.

Electro-Harmonix 300B is the best value 300B available today. This is the regular economical version. If you are looking to step up from OEM Chinese 300B, this is the tube to go to.

Price is for a matching pair. Inquire about matching quad.

Aside from 6V filament, Sovtek 6A3 shares the same superb quality of Sovtek 2A3. Price is for a matching pair.

Price is for a matching quad of Sovtek 6A3.

Suitable for use in place of 811A. Price is for a matched pair (2 tubes)

With Titanium coated graphite carbon plate, this "845 killer" directly heated power triode can dissipate 125W with superbly linear characteristics using less filament current and smaller outline than an 845. Along with SV811-3, these tubes are no longer in production, so hurry and get yours before they are gone!

Inquire about quads.

With directly heated Thoriated Tungsten filament, tri-plate anode and Titanium gettering, SV811-3 is one of the best directly heated triode for audio application. These tubes are no longer in production, so hurry and get yours before they are gone!

Note: This tube cannot replace 811A.

SV811-10 is identical to SV811-3, except that the mu is higher. These tubes are no longer in production, so hurry and get yours before they are gone!

Note: This tube cannot replace 811A.

This is the gray plate version of RCA 2A3. Price is for a single tube. Inquire about matched pair.