![]() ![]() This whole matter is a bit of an art form. There is no one size fits all rule for caps. There are many different methods about calculating values of capacitors for various applications. So, I like small double-sided amp boards + separate power supply boards.Ī 30-0-30 VAC 400Va transformer and a split rail power board, is pretty much standardized for this amplifier separate rectifiers and smoothing circuit, is the least I would like to use. The "included" power supplies are normally minimum "get by" designs that fit into the smallest space possible, which makes the board cost lowest possible, also at the cost of least possible audio quality. can't find any formula to compute this dissipation though.įor amps, I'd distrust anything that has the power supply on same board. ![]() The only thing to make sure is, not dissipating more than 50W on the chip. The chips are running for a month here at these rails, definitively the chip can handle it. I've used 8 and 4 ohm loads havent pushed the 4 ohm loads too hard. ![]() I've been testing it using a variac supplying power to the 32-0-32 tranny with input voltages of +/- 35 volts up to +/- 42 volts to the amp. sounds pretty good (mono so far, haven't put in the other channel). ![]()
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