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Reviews around cirtuit protection (5.00 of 5)
Ampeg SVT-4PRO Pro Series Tube/Solid-State Hybrid Bass Amplifier Head, 1200 Watt
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so I got my hands on it to repair (at least there's full schematic available online) and discovered that the power stage is a FAIL. 5 pairs of IRFP240 and IRFP9240 without ANY kind active power distribution balancing, no internal short-cirtuit protection, no per-mosfet thermal monitoring
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