TUNGSOL 5751 Always good to try as a 12AX7 replacement, especially in guitar amps in V1. They can really chill out HiFi setups, too and seem to have more harmonic content than the equivalent 12AX7.
JJ ELECTRONIC JJ 12AX7 / ECC83S Gold Pins Frame grid 12AX7
IN STOCK GENALEX GOLD LION KT77 MATCHED QUAD. Featuring gold plated grid wire, these really add dynamics and drive compared to most stock EL34's. Excellent upgrade for PrimaLuna Amps. Price includes four (4) valves.
TUNG-SOL 6V6 Power Tetrode - These Tung Sol 6V6's have great construction, sweet sound and work well in in HiFi and guitar applications. Made in Russia * ORDER ONE FOR SINGLE ** ORDER TWO FOR MATCHED PAIR **** ORDER FOUR FOR MATCHED QUAD
SVETLANA S.E.D 12AX7 Saratov, Russia manufacture. Robust, excellent build quality. Great tone for guitar amps, nice balance and sound stage in HiFi amps. *Valves may vary from stock image*
GENALEX GOLD LION N709 EL84 6BQ5 Pentode. These are the ULTIMATE upgrade for any valve amplifier that requires new bottles. Saratov, Russia manufacture. Matched Pairs click here Matched Quads click here
EHX 6L6GC Another great bottle from Electro Harmonix These 6L6 are not out of place in a Marshall or Luxman Sound quality, longevity and reliability are hard to beat with this valve ORDER ONE FOR SINGLE = ONE VALVE MATCHED PAIRS HERE MATCHED QUADS HERE
TUNGSOL 6L6 GC STR - "SPECIAL TUBE REQUEST" New production reissue. Plenty of punch in a small envelope. Matched quads click here
SOVTEK 6L6 WXT+ * ORDER ONE = ONE VALVE ** ORDER TWO = MATCHED PAIR MADE IN RUSSIA