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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

VC aluminum support

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


8.6K3CX (optional)

3-Way Passive Crossover

Multi-amp or single amp connect.

Gold plated spacers and screws

99.9% pure copper coils

Anti-inductive resistors

Very high quality bi-metallized caps


4 tweeter attenuation levels:

0; -2; -4; -6 dB

4 midrange attenuation levels:

0; -3; -6; -9 dB

3 midrange high pass frequencies

2 different cutting slopes for the tweeter and midrange

4 levels of adjustment for the woofer / midrange transition zone

> 8.6K3CX Data Sheet

8.6K3U  3-Way Speaker System with UMA Unit

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