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Excel Akerselva MK2 floorstanding speakers
Excel Akerselva MK2 floorstanding speakers
Kit without housing price per speaker
Akerselva MK2 is a 3-way high-end floor-standing loudspeaker with a coaxial mid-high-frequency loudspeaker and four woofers. The loudspeaker consists of a very high-quality SEAS Excel C18EN002/A coaxial loudspeaker for the mid- and high-frequency range.
Excel Akerselva MK2 floorstanding speakers
Kit without housing price per speaker
Akerselva MK2 is a 3-way high-end floor-standing loudspeaker with a coaxial mid-high-frequency loudspeaker and four woofers. The loudspeaker consists of a very high-quality SEAS Excel C18EN002/A coaxial loudspeaker for the mid- and high-frequency range. The bass range is handled by 4 Wavecor SW182BD03 woofers in a closed housing, which ensures particularly high bass precision. The crossover consists of a 2nd order high-pass filter (12 dB / octave) for the tweeter, a bandpass consisting of 2nd and 3rd order high- and low-pass filters with a voltage divider for the mid-range speaker and a 2nd order low-pass filter with an absorption circuit to smooth out the impedance peak for the woofer. The frequency response of the loudspeaker is very linear between 40 Hz and 18,000 Hz. The decay spectrum is almost error-free above 500 Hz. The nonlinear distortions at low volumes (85 dB, 1m) are below 0.6% above 500 Hz and do not rise above 1% in the audible range even at higher levels (95 dB, 1m).
Technical data:
- Impedance: 4 Ohm
- Sound pressure level (2.83V/1m): 83 dB
- Dimensions (HxWxD): 1100 x 240 x 365 mm
- Frequency range (-8dB): 30 - 40000 Hz
- Crossover frequency(s): 220, 2500 Hz
- Principle: closed box
Highlights
- Seas Excel coaxial loudspeaker C18EN002/A (E0060-08/06S) 4
- x Wavecor SW182BD03, 4 Ohm, subwoofer with cast basket
- 2x insulation fleece MT Bondum 800 (30 x 50 x 2 cm)
- 5x insulation material Sonofil 100 x 35 cm for 20 liters
- Pole terminals PK31, one pair, gold-plated, red+black
- 4m speaker cable 2x1.5 mm2 black/red
- 3x pan screws 3.5x17 black, 8 pieces
- Pan screws 4x20 black, 8 pieces
- Construction plan for the kit the crossover components (right), to be assembled on a wooden board.
- Audaphon MKP CAP Superior 1.8 μF / 400 Vdc
- 2x Audaphon MKP CAP Superior 2.7 μF / 400 Vdc
- Audaphon MKT capacitor 15 μF / 160 Vdc
- 2x Audaphon MKT capacitor 47 μF / 160 Vdc
- 2x Elko rough, 220 μF/63 Vdc
- Mundorf baked varnish air coil BL71, 0.015 mH
- Mundorf air coil L140, 0.47 mH/0.19 Ohm
- Mundorf air coil L140, 0.56 mH/0.20 Ohm
- 0.7 mm air coil, 0.47 mH/0.50 Ohm
- 0.7 mm air coil, 3.3 mH/1.75 Ohm
- Mundorf BS140 core coil 6.8mH/0.3Ohm
- Mundorf H-core coil H71, 3.3 mH/0.47 0hm
- Mundorf H-core coil H71, 33 mH/1.93 0hm
- 2x ceramic resistor 10 Ohm/20 Watt
- Metal oxide resistor MOX10 2.2 Ohm (red-red-gold)
- 2x metal oxide resistor MOX10 10 Ohm (brown-black-black)
- 2x metal oxide resistor MOX10 12 Ohm (brown-red-black)
- Metal oxide resistor MOX10 47 Ohm (yellow-violet-black)
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