56 - Building An Audio Amplifier
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57 - Designing a Simple Transistor Amplifier
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55 - Another Direct Conversion Receiver
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【開箱】CP值爆表的鐵三角Audio Technica AT-LP70X黑膠唱盤
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Make the PERFECT LM386 audio amplifier?
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VÁLVULA vs TRANSISTOR: A REAL DIFERENÇA (VEJA NA PRÁTICA!)
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54 - Building A Return Loss Bridge
43:52
O pré-amplificador de £ 25.000 que deu errado Tom Evans Mastergroove SR mkIII RE-UPLOAD. Conserte...
45:45