Reference
loudspeaker, model AE3
The AE3 is a high
power, trhee-way loudspeaker featuring "Metal-cone" low-frequency and
mid-range drive units. The well proven 130
mm (5") "Metal-Coe" drive unit, as used in the AE!, has been
further developed and is used int he AE3 in a mid-range form in a heavily
damped tubular transmission line enclosure within the main enclosure. The AE3 has the
power and scale of much larger speakers but retains the dynamics, transparency,
speed and detail of the AE1. "Metal-Cone"
technology is protected by european patent application no.87310904,5 United
States patent application no.133,020, World patents pending
Specifications
Frequency
Response; 25hz - 30,000 Hz
On Axis of HF at 1 m
: 55 Hz - 17,000 Hz ±2,5 dB
On Axis of MF at 1 m
: 55 Hz - 17,000 Hz ±2,0 dB
Off Axis of HF±30°
Horizontal at 1 m : 55 Hz - 14,000 Hz ±3
dB
Off Axis of HF +15°
Vertical at 1 m : 55 Hz - 17,000 ±3 dB
Off Axis of HF - 15°
Vertical at 1 m : 55 Hz - 16,000 ±2 dB
Sensitivity: 87 dB
Impedance: 4 Ω min. At 110 Hz (typically 6 Ω)
Total Harmonic
Distortion: typically 0,3% (range 200 Hz
- 20 kHz)
Power Compression
Factor: Not measurable below 100 watts
power input from band limited pink noise 63 Hz - 20 kHz
Power Handling: for use with amplifiers up to 250 watts RMS
Crossover: 3-way system Crossover frequencies 300 Hz and
3 kHz. 18/24 dB per octave filter slopes, 32 element - all coils low DCR (Iron
Dust Core or Air Core) all capacitors low loss electrolytic or polyester
LF Unit: 40 mm Edgewound ribbon copper voice coil on
high thermal conductivity former thermally coupled to tri-layer ultra hard
alloy 160 mm diaphragm, max linear electrical peak to peak excursion - 10 mm
max. Mechanical peak to peak excursion - 20 mm
MF Unit: 32 mm Wdgewould ribbon copper plated
aluminium voice coil on high thermal conductivity former thermally coupled to
tri-layer ultra hard alloy, 90 mm Diaphragm, high gauss, low viscosity
ferrofluid damped and cooled.
HF Unit: 25 mm Edgewound ribbon copper plated
aluminium voice coil thermal ly coupled to magnesium alloy 25 mm Diaphragm.
Ferrofluid damped and cooled. Damped rear chamber loaded.
Connectors: 3 set 4 mm Binding posts for Tri-wiring
Cabinet: Precision engineered MDF enclosure with
bonded high density lining finished in black texture, Supplied with removable
front grille
Dimensions (W x D X
H): 275 mm x 385 mm x 640 mm
Weight: 33 kg (each)
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