Description:
Active vented-box subwoofer system

Dimensions:
Height: 405mm (16 in) including fixed feet
Width: 330mm (13 in)
Depth: 375mm (14.8 in) including grille and controls
Allow extra 50mm (2 in) clearance at rear for ventilation

Net Weight:
15kg (33 lb)

Freq. Response:
-3dB 27Hz - 150Hz adjustable (EQ at A)

Freq. Range:
-6dB at 23Hz and 180Hz adjustable (EQ at A)

Drive Units:
Unit 1: 1x 200mm (8 in) dia paper/Kevlar cone long throw
Unit 2:
Unit 3:

Finish:
Cabinet: Black Ash or Maple vinyl
Grille: Black cloth

Sub Woofer Amplifier:
Description: Class B
Power Output: 100W continuous
Rated Power Consumption: 140W
Input Impedance: 22k ohms
Signal Noise: >90dB
Functions: Volume level - Low-pass filter frequency - Low-pass filter bypass - Bass roll-off alignment - Auto sense on/standby - Phase 0/180
Inputs: Line In (RCA Phono)
Speaker level In (binding posts)
Outputs: Line Out (RCA Phono, high-passed)
Link Out (RCA Phono, parallel to Line In)
Speaker level out (binding posts, high-passed)

Low Pass Filter:
Active 2nd-order, variable cut-off frequency

High Pass Filter:
Line level: Active 3rd-order at 80Hz
Speaker level: Passive 1st-order at 80Hz into 8 ohm resistor
(Response of passive filters dependent on load impedance)