Phase plugs (Oris Horns)
Look like a karlson slot to me Have you been hanging with freddy i on audio asylum.lol PS sent a pic of the bass BLH will side mount oris 150- f200a and fostex t90aex.
Look like a karlson slot to me Have you been hanging with freddy i on audio asylum.lol PS sent a pic of the bass BLH will side mount oris 150- f200a and fostex t90aex.