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21% OFF SANWU® 50W + 50W TDA7492 CSR8635 Récepteur Audio sans Fil Bluetooth 4.0 Panneau Récepteur Amplificateur NE5532 Préampli 14,76€ 18,75€ View It

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TiemeKuyper 07/09/2020

Basically very good unit, but there are some design flaws in it. First of all I received it without heatsink. Certainly not 2x50watts. But also analog jack was not good implemented. Since In & Out are shorted, it causes a lot of distortion. I modified the jack as in-only, connecting direct into the opamp with 47k/4µ7. Increased the mute C to 30µF and because lot of hiss coming from the BT module I increased the input R's to 100kΩ. Now it is doable. Sound is ok for background unit. Not for HiFi. But for the price it is value for money!

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