2-Way Mid-High Unit

28 mm aluminum VC (tweeter)

Torcon® soft dome (tweeter)

High-grade neodymium magnet

Ferrofluid cooling and damping

NPPV exponential cone (mid)

Conex progressive spider (mid)

Motor metal parts CNC machined 

Under-dome dB Cloth® damping material


Nominal Impedance: 4 Ohm

Nominal Power Handling: 120 Watt

Transient Power: 240 Watt

Freq. Response: 95 Hz ~ 25 KHz

Sensitivity: 91 dB 1W/1m

> 8.003UMA Data Sheet



6.5"/165 mm Mid-Woofer

Non-pressed paper cone

32.4 mm voice coil diameter

Large Y35 ferrite magnet 

NPPV exponential cone

CNC aluminum basket

TWS Rubber surround

Conex® progressive spider

Motor metal part CNC machined

Computer optimized design


Nominal Impedance: 4 Ohm

Nominal Power: 160 Watt

Transient Power: 320 Watt

Freq. Response: 45 Hz ~ 4 KHz

Sensitivity: 89 dB 1W/1m

> 8.165 Data Sheet

8.6K3U  3-Way Speaker System with UMA Unit