differential output amplifier query
Posted by Alberto Gonzalez Rimini [IP: 206.250.4.213] on August 05, 1999 at 12:33:19
Using Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt):
Hi. First of all, sorry for my English, which is not my native language.
To the question: I'm planning to biamplify my Tannoy Profile 633s using an AMC 3050a integrated for the treble/mids and an AMC 2445 in 2-channel (bridged) mode for the bass; I think I know how to do it, using a Y adaptor from the pre-out to each power amplifier. My question, however, arises because AMC states that "when in bridge mode the 2445 becomes a differential output amplifier... do not connect the 2445 when bridged to speakers that share a left and right common ground... (it) may be damaged as a result". Would that warning apply to the setup I described? Would there be such a connection at the passive crossover of the speakers, which in turn are connected to the 3050a, that perhaps shares a common ground?.
Any comments will be really appreciated. Thank you in advance.
Alberto.
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