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SOLD - Bogner Atma Combo - 18/5/1 watt 3 Channel Monster - £1100 ono + trades - theFretBoard
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My amp (Bogner Atma) makes these noises whenever it's switched on/off. The little research I did leass me to believe it's a tube issue (specifically power tubes). Is this the most likely
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NAD! Bogner Atma 18! Please ask any questions you have! : r/GuitarAmps
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