Lowther PM4A with AER cones (Drive Units)
Can anyone give an opinion on Lowther PM4A Alnico drive units with upgraded AER cones, compared to say AER MD2 or 3's. There are some on audiogon - used in an Oris 150 horn with Berts phase plugs.
Can anyone give an opinion on Lowther PM4A Alnico drive units with upgraded AER cones, compared to say AER MD2 or 3's. There are some on audiogon - used in an Oris 150 horn with Berts phase plugs.