Wall mounted 2-way vented port (bass reflex).
Dispersion: Half sphere 2π from the wall.
Vented port tuning frequency: 36 Hz.
Frequency response: 35 Hz - 25 kHz mounted on wall in room.
Bass/midrange: One 5½” long-throw Midwoofer with titanium voice coil former with symmetric air ventilation.
Treble: Two 1-inch soft dome Tweeters with silk fabric diaphragm and a unique 30μ Titanium voice coil former with symmetric air ventilation.
Tolerances: Bremen 3D8 loudspeakers are matched to be virtually identical in each matched pair, with a frequency response tolerance within ± 0.5 dB.
Sensitivity: 88 dB SPL (2.83 V/1m).
Nominal Impedance: 4 ohm. Very smooth impedance curve above 200 Hz.
Recommended amplifier power: 30-500W per speaker.
Wall Brackets: Included is a Hangman wall bracket with a built in groove for the bubble vial.
Connection terminals: Gold plated binding posts.
Maximum Dimensions: cm (inch”); Height: 54.5 (21-½”), Width: 37 (14-½”), Depth: 17.5 (6-⅞”).
Net Weight: 10 kg (22 lbs).
Colours: Shell: Tuxedo White. Soon to come: Piano Black, Silver Grey, Swedish Bronze, Italian Red.
Back Side: Orange colour with soft lacquer.
Front cover: Black fabric. Soon to come: Light Grey fabric.