A alephotos Member Joined 2018 2023-02-26 6:15 pm #1 2023-02-26 6:15 pm #1 Hi, I have a few original M51132FPs available, has anyone ever used this for a preamp? Attachments M51132FP_and_M51132L.pdf M51132FP_and_M51132L.pdf 523.7 KB · Views: 361