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JJ Electronics Tubes
JJ Electronic began producing vacuum tubes in 1994 in the reorganized Tesla factory in the Slovak Republic. In less than 20 years JJ Electronic has...More Details
JJ Electronic preamp audio tubes such as ECC83-S, ECC82-S, ECC803S, ECC802S, and more, are available with standard pins or gold plated pins. The JJ power output tubes like 6L6-GC, E34L/EL34, 6V6-S, EL84, 6CA7, KT88, KT77, KT66, 300B, 7027A, and 7591-S are all great performers. JJ has also produced a few unique vacuum tube variants not produced elsewhere - specifically the EL509S, ECC99, and EL844 tubes.
In more recent years JJ Electronic has developed excellent rectifier tubes as well. The JJ 5Y3-S rectifier tube is the best current production replacement for NOS/USA made 5Y3GT rectifier tubes. The JJ GZ34S, 5U4GB, and EZ81/6CA4 are also good reliable rectifier tubes.