#PioneerVintageFriday The Pioneer HPM-150 are among the most famous vintage classic speakers. The "UFO" could be shown or hidden by a cover with smoked glass plate. It's a High Polymer Molecular omnidirectional super-tweeter. The 15" bass chassis was developed by Pioneer's #TAD pic.twitter.com/vlq1jnj2Og
— Bernard Žvokelj (@Berny2876) September 28, 2018