Elias X1-W182 Shelf speaker as in Newsletter

Technical data

impedance: 8 Ohm
sensivity (2,83V/1m): 88 dB
size (HxWxD): 800 x 500 x 100 mm
frequency range (-8dB): 32 - 28000 Hz
crossover frequency(s): 2150 Hz
speaker type: bass reflex

Elias X1-W182 is a 2 way high-end on-wall speaker. The kit provides an air motion tranformer (AMT) and a woofers of very high quality. The AMT is the very linear Air Motion Transformer Audaphon AMT-1i with very low distorsion. The woofer is a Wavecor WF182CU13.

Elias X1-W182 has been developed by Daniel Gattig and Dennis Frank.

The crossover consists of a 2nd order high-pass filter (12 dB per octave slope) for the tweeter. The woofer is connected to a 2nd order low-pass filter (12 dB per octave slope).

Between 40 Hz and 21000 Hz, the frequency response of this loudspeaker is very linear on axis. The decay spectrum is nearly perfect. At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are lower than 0.6% above 400 Hz and below 0.6% at 95 dB at 1 m .

Our kit consists of

Audaphon AMT-1i
WF182CU13, Wavecor Mid/Woofer, 8 Ohm, paper cone, BD, phase plug
8x Bass reflex tube HP35, 35x125 mm, black
2x Damping fleece MT Bondum 800 (30 x 50 x 2 cm)
0,5x PE sealing tape, 5x2 mm, 7.5 m
0,5x Damping Sonofil 100 x 35 cm for 20 litres
Female banana jacks, red and black
2m Speaker cable 2x1.5 mm2, transparent
Pan screws 3.5x17 black, 8 pieces
0,5x Pan screws 4x20 black, 8 pieces
Plan for DIY kit

the crossover components (right),
to be mounted on a small wooden board.

Audaphon MKP CAP Superior 3.9 μF / 400 Vdc
Audaphon MKT CAP 10 μF / 160 Vdc
1.3 mm air core coil, 1.2 mH/0.35 Ohm
0.7 mm air core coil, 0.68 mH/0.70 Ohm
Metal-oxide resistor, 10W 1.5 Ohm (brown-green-gold)
Metal-oxide resistor, 10W 12 Ohm (brown-red-black)

Kit without cabinet, price per speaker EUR 960,00 excl. VAT: € 806.72 / $ 863.19

Kit with high-end crossover

The high-end kit is delivered with copper foil and baked varnish air core coils on important parts of the crossover for minimizing microphonic effects. - The current flow through the coil creates a magnetic field which sets the reel of wire in motion. This motion induces a voltage in the coil which adds itself to the signal. The stiffer the reel of wire is, the less the signal will be altered. All capacitors are of type polypropylen (MKP) and in series to the tweeter Clarity-Cap MR 630 V are employed.

ClarityCap ESA capacitor 10 μF / 630 Vdc
ClarityCap MR capacitor 3.9 μF / 630 Vdc
Mundorf copper foil coil CFC14-1.2mH/0.26Ohm
Mundorf baked varnish air core coil BL71, 0.68 mH/0.71 Ohm
Metal-oxide resistor, 10W 1.5 Ohm (brown-green-gold)
Metal-oxide resistor, 10W 10 Ohm (brown-black-black)

Kit with high-end-crossover without cabinet, price per speaker EUR 1160,00 excl. VAT: € 974.79 / $ 1043.03

Impedance correction

If you want to use a valve amplifier with this speaker an impedance correction should be employed. In this case the component quality is less important; therefore, we offer only one kit (upon request higher quality components are available).

Audaphon MKT CAP 6.8 μF / 160 Vdc
0.7 mm air core coil, 0.56 mH/0.55 Ohm
ceramic resistor 12 Ohm/20 Watt

Price per impedance correction for one speaker, to be mounted on a small wooden board. EUR 9,00

excl. VAT: € 7.56 / $ 8.09

universal PCBs

If you prefer to mount the crossover components on a universal PCB instead on wood
PCB 150x115 mm, tin plated, price per unit: EUR 4,70 excl. VAT: € 3.95 / $ 4.23
We recommend one board per kit (2 boards per speaker pair)