电子管捷克/ecc81ecc802s屏金t7脚 jj长12ax7 / ecc803s/ u76922

u76922t7 ecc803s12ax7 电子管屏/脚ecc81金 捷克jj /长ecc802s/

t7ecc81jj捷克电子管u76922屏ecc803s12ax7脚 /金长/ ecc802s/