[問題] 真空管吉他音箱爆因
請問一下各位前輩一個問題 剛剛買了一個真空管吉他音箱(VOX VT20+)
拿回來以後 也都有熱機,但是出現了爆音的問題~都出現在轉動"模擬音箱那顆旋鈕"上發
生,只要轉了那顆按鈕以後,聲音就爆大,然後就要轉動gain鈕或是volume鈕以後,才恢
復正常,請問這是什麼情況呢? 剛剛才買回家用而已,在樂器行不會這樣~
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