Drive units Drive units

1 x 170mm (7") WB Tactic® II Mid/Bass unit 1 x 170mm (7") WB Tactic® II Mid/Bass unit
1 x 170mm (7") Tactic® II Bass unit 1 x 170mm (7") Tactic® II Bass unit

1 x 25mm (1") WB Semisphere Soft dome Tweeter 1 x 25mm (1") WB Semisphere Soft dome Tweeter

Low frequency loading Low frequency loading

Bessel alignment of fourth order reflex Bessel alignment of fourth order reflex
Double chamber differential tuning Double chamber differential tuning

Frequency range Frequency range

-6dB at 30Hz and 35kHz -6dB at 30Hz and 35kHz
-3dB at 35Hz and 25kHz -3dB at 35Hz and 25kHz

Frequency response Frequency response

3 5Hz~30kHz +-2dB on axis 3 5Hz~30kHz +-2dB on axis

Sensitivity Sensitivity

89dB spl at 1 metre on axis, 2.83V input 89dB spl at 1 metre on axis, 2.83V input

Impedance Impedance

6 Ohms nominal, 4 O hms minimum 6 Ohms nominal, 4 O hms minimum

Crossover Crossover

First order tweeter crossover First order tweeter crossover
First order bass roll-off First order bass roll-off

Selected polypropylene capacitors and air cored inductors Selected polypropylene capacitors and air cored inductors

Crossover frequencies Crossover frequencies

Tweeter 5kHz Tweeter 5kHz

Mid direct coupled Mid direct coupled

Bass 500Hz Bass 500Hz

Internal wiring Internal wiring

Hand-made loom comprised of Multi stranded military specification silver plated copper with PTFE jacket soldered connections throughout Hand-made loom comprised of Multi stranded military specification silver plated copper with PTFE jacket soldered connections throughout

Input connections Input connections

Bi-wireable, in house machined rhodium plated copper alloy terminals Bi-wireable, in house machined rhodium plated copper alloy terminals

Maximum spl Maximum spl

118dB at 1 meter 118dB at 1 meter

Power handling Power handling

200W peak unclipped programme 200W peak unclipped programme

Dimensions Dimensions

9 10 mm * 230 mm * 370 mm (H * W * D) 9 10 mm * 230 mm * 370 mm (H * W * D)

Internal volume Internal volume

44 liters 44 liters

Net Weight Net Weight

31 kg 31 kg

Finish Finish

Standard Titanium polymer coated alloy, or Black, Regal Silver by order Standard Titanium polymer coated alloy, or Black, Regal Silver by order

Optional with upcharges: Optional with upcharges:

real Wood Finish real Wood Finish

- Satin : Natural Cherry, Maple, Oak - Satin : Natural Cherry, Maple, Oak

- Gloss: Birds Eye Maple, Burr Walnut, Red Tulip, Red Birds Eye, Walnut, Ebonised Walnut - Gloss: Birds Eye Maple, Burr Walnut, Red Tulip, Red Birds Eye, Walnut, Ebonised Walnut

new Metal White Gloss Finish new Metal White Gloss Finish