Roy Esposito upgraded the interfaces with new capacitors and caddock solid state resistors and numerous other changes. I tried to contact him regarding a problem but no longer can reach him. The problem is that one of the two speakers lacks lower frequency performance and does not have the warmth of the other. Is Roy still available or who else can correct this problem?
Roy Esposito can be contacted at acoustat.service.usa@gmail.com.
Your problem could be caused by a number of issues, but do check that the low-frequency transformer tap inside the interface is properly connected. For the 2+2, it should be connected to the YELLOW tap.
Found out that when the upgrade was made that the fuse only is connected to the lower frequency circuit. Replaced fuse and all is well. Found the answer in Roy's details of the upgrade notes.
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