Is there a protection relais on the other board? Strange that the woofer part stopped working on both speakers. They might just have blown from power spikes, if the rail voltage is close to that, and if you have "dirty" power. The last number might just be a batch code, and from memory, the 130 stands for the maximum operating voltage (2圆5). Im gonna figure this thing out**īy now, you would already have figuered out that there are two amps inside this (stereo) STK442. What is the meaning of the smaller top corner number? (D5G05)ĭoes this specific number have anything to do with pinpointing an accurate replacement? I've been scouring the internet, and see the possibility to purchase replacements, however, they're saying that the "chinese" replicas are liabilities, because they have significantly reduced operation lives as opposed to the original OEM Sanyo manufactured components. Is there a 'better/stable' replacement component module that it could be replaced with? Granted, there probably won't be schematics available from this company unless we hire a spy to commit treason against Genelec, Just for safety, the alpha-numerical identification reads: Give us a picture of the amp PCB from another angle. Have replaced hundreds of them in consumer amps. The black "block" in the picture looks like a STKxxxx integrated amp.
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