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Old 1st May 2015, 02:21 PM   #1
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Default Soft start on Dual mono Burning Amp

If one builds a Class A amp like Burning Amp 3, and wishes (like 6L6 in his build thread) to use the soft start, but in a Dual Mono Amp, (with a single power cord) is one soft start sufficient, after the power inlet, or are two required, one for each channel?

Pass B-1 preamp, Pass F-5 Amp, Pass BA-3 Preamp, Pass BA-3 Amp, Pass Pearl 2 Phono
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Old 1st May 2015, 03:03 PM   #2
AndrewT is offline AndrewT  Scotland
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I prefer that each transformer has it's own close rated fuse and it's own current limiting resistor.

For two transformers one can can meet both those requirements by using a relay with 2poles to bypass the two resistances, or by using two relays each with a single pole contact set.
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Old 1st May 2015, 03:03 PM   #3
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Originally Posted by Russellc View Post
but in a Dual Mono Amp, (with a single power cord) is one soft start sufficient,
Yes, one is enough.
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