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FFFzz replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).The resistors that are bolted to the chassis with built-in heatsink (the yellow ones with white markings on them) are the ones that may...
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FFFzz replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).Be careful when placing your new caps too close to the 300B cathode resistors. For 300B to run at 6watt power, the cathode resistor will...
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FFFzz replied to the thread Cayin HA-300MK2 (2022) TOTL Transformer coupled Direct Heated Triode Tube HeadAmp (Page 91).The four 22de4 tubes work together to form a rectifier bridge to supply DC which is then filtered and feeds into the entire amplifier...
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FFFzz replied to the thread Bad tube socket?.Forgot to mention, you can try contacting Viva distributor in your country/region and they may be able to recommend a local tube repair...
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FFFzz replied to the thread Bad tube socket?.This can happen when the coupling capacitor between the driver tube and output tube (845 in this case) developed a short. In that case...
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