Check the archives for posts on the JOR by Trelja, he had an offer to send out an instruction sheet on how to do the biasing, and he may have deescribed the process in the posts as well.
Northstar (northstr@frontier.net) or http://www.northstarleading.com can fax or e-mail you bias instructions. You will need TWO digital voltmeters to adjust the two trimpots on each output transformer. Since high voltage exposure would result, I suggest that once obtaining the directions (which I could also fax you), that you have a qualified electrical service technician do the work. Good luck, and happy listening,
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