JLM AUDIO

Hi, i just need some advice with the VU2 stereo buffer. i build it and tested , and it works perfect with a small radio VU meter so all good. Then i tried with a new Sifam vu the: SIFAM AUDIO LEVEL METER AL39WF and it did not work as supposed , after calibrating to show 0 VU i lower 1 db and the met...