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- Users: anael28130
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Miridiy bias adjust.
hello looser101, thanks for your help; I'll do change this switch and i'll try so change the radiators because their alu color is came little red and blue (hot temperature). Regards, anael- anael28130
- Post #10
- Forum: DIY (Do-It-Yourself) Discussions
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Miridiy bias adjust.
Re-hello, On afternoon, i tried to search and perhaps i find it; Radiators are not enough for the cooling of transistors (irf630n). I put a little ventilator and after 3 hours no problem but i'm afraid because the valve is almost cold now. What is the risk except the sound is little metallic on...- anael28130
- Post #8
- Forum: DIY (Do-It-Yourself) Discussions
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Miridiy bias adjust.
Hello, After a long silence, i come back with my problem; i've replaced power supply and valve but sometimes, it works for many hours and sometimes, it works about 10 mn. I tried to work with different headphones or with a preamp before headphones: same problem. I think to buy another but my...- anael28130
- Post #7
- Forum: DIY (Do-It-Yourself) Discussions
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Miridiy bias adjust.
Hello, Thanks for your reply. I try this and say you if it's good. Regards. anael- anael28130
- Post #6
- Forum: DIY (Do-It-Yourself) Discussions
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Miridiy bias adjust.
Hello, I've the same item since 3years ago. Now, it doesn't work. I bought 2 valves and worse. It go on ON but after some seconds (10), all leds and valve go off and sound is very bad and off. I search schema and voltage to find problems and try to repair this good headphones amplifier. Thanks...- anael28130
- Post #4
- Forum: DIY (Do-It-Yourself) Discussions