Reply To: Two blown fuses in one day

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    Hi. Very easy to change it out, assuming you have decent soldering skills. Some years ago I had a bias supply fail and Roger told me that the replacement supply was of reversed polarity vs my original. Since they were a from a new supplier, I decided to order two so both speakers would have the exact same parts. (Audio Nervosa?) Besides, they are not expensive. Since the new ones had reversed the polarity, in order to maintain proper absolute phase, one simply needs to reverse the amp to speaker cable connections. If SL does not mention this, be sure to ask them if the new supply maintains the same polarity as your failed one, or if it is reversed. Depending how old your speakers are, you may already have the newer supplies anyway, which, in that case you do not need to worry about this.