ISO Chip Amp to Use 28v-0-28v, 2A Toroid - diyAudio
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Old 14th November 2007, 02:51 PM   #1
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Default ISO Chip Amp to Use 28v-0-28v, 2A Toroid

Toroid looking for chip amp for lifetime match. I have two of these I can pull from the RS Accurian amp and would like ideas on a kit I can use them in. I kind of require thru hole layout due to diastrous surface mount experience. 15-25W.
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Old 14th November 2007, 03:01 PM   #2
AndrewT is online now AndrewT  Scotland
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Hi,
your 28Vac transformer will give about +-40Vdc across your biased amplifier. A 3886 will give about 60W into 8ohm from this transformer and the 112VA will suit this well.

For <=25W maximum output you either need 16ohm speakers or a lower voltage transformer.
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