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Problem with my audio amplifier
Problem with my audio amplifier
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Old 23rd February 2021, 09:35 AM   #11
analog_sa is offline analog_sa  Europe
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Problem with my audio amplifier
Originally Posted by Niko58 View Post
Hello, I recently designed a power amplifier

Let me get this straight. You designed it but have no circuit and are no pro, that's why you are asking for help. Did i get it right?
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Old 23rd February 2021, 04:21 PM   #12
jacques antoine is offline jacques antoine  France
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Problem with my audio amplifier
A single 2SK1058/2SJ162 pair at +-60V is bound to fail quickly with 8ohms speakers and immediately with 4ohms ones.
A double pair would be safer in both cases at +-55V.
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Old 23rd February 2021, 08:34 PM   #13
egellings is offline egellings  United States
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The amplifier could be oscillating or "motorboating".
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Old 23rd February 2021, 08:38 PM   #14
henryve is offline henryve  South Africa
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A schematic or circuit diagram with voltage readings at specific points annotated on the schematic would be supremely helpful.
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