You want to know more about audio electronics or are already a specialist and in search of documentation to repair or service some audio gear. Well you may find here some usefull informations, tips or documentations about audio electronics, especially analog audio gear, gathered on the long path of electronic knowledge.  Yet the original purpose of this site is not to be a blog or an educative website about electronic, so this section may not be kept up to date regularly, and the informations found here are not verified and do not belong to Jungletronics audio. They are here because we do care about restoring and repairing audio gear from the past. The internet is a wonderful place to find informations about old audio gear but as you may know a service manual business has popped up these days, so lets keep them free.