- Bio-cellulose based hybrid cone
- UDR tangential surround / spider
- Pure magnesium center cap
- Alnico magnet (approx. 1.5kg)
- Pure iron pole piece
- Zinc alloy die-cast frame
- Silver-Copper alloy voice coil wire
- Swan folded horn design provided with driver
See pdf file for response curve, specifications, mechanical drawing and recommended box drawing.

