How to install the tubes on P3? Fosi Team May 18, 2024 05:48 Updated 💡Important Tips: Remove the copper rings for effortless installation of the tubes on the P3 Related to fosi audio preamp tube preamp P3 tube Related articles Fosi Audio P3 Tube Preamp Introduction How do you replace a knob for the P3? I connect to the Pre-Out from the amp to the LFE on the powered Polk PSW110 subwoofer. But there is no sound. What's the input sensitivity of the ZA3? What are the Op-amps of the ZA3 serving and what channel? Comments 0 comments Please sign in to leave a comment.
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