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mrwkbrdr
@mrwkbrdr
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Joined: September 3, 2025 12:41 am
Last seen: September 11, 2025 12:25 am
Topics: 1 / Replies: 3
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RE: Flexboss 21 dirty sine wave

Thanks for your reply. However it’s not a ground issue or some ac filter quick fix. The hum is only heard from the amplifier power transformer. There ...

2 weeks ago
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RE: Flexboss 21 dirty sine wave

Stumped on this one? FB21 sine wave is cleaner than my grid power, but my audio amplifier makes a loud buzz/hum noise when powered by Flexboss 21?Anyo...

3 weeks ago
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