KT88 JJ Electronic
JJ KT77 JJ Electronic
JJ KT66 JJ Electronic
JJ GZ34 / 5AR4 JJ Electronic
JJ EZ81 / 6CA4 JJ Electronic
JJ EL509 / 6KG6 JJ Electronic
JJ EL34 II / EL34/6CA7/E34L
JJ EF806 JJ Electronic
JJ ECC99 JJ Electronic
JJ ECC99 Gold JJ Electronic GOLD PIN
JJ ECC83S / 12AX7 JJ Electronic. Verze s větším ziskem a teplým tónem, používaná společnostmi Boogie®, Engl®, Hughes & Kettner®, Laney®, Trace Elliot®
JJ ECC83S / 12AX7 Gold JJ Electronic GOLD PIN
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