NdRL 41 MkII Technical Data
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Frequency response (-3dB, ripples less than 2dB)
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2.8 - 40kHz
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Sensitivity (1W (2.0V), 1 meter)
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89 db (+/- 1dB)
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THD (DIN 45500)
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</= 1%
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Handling Power capacity with crossover 3.15kHz, 12dB/oct
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60W
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Short term power (10mS)
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220W
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Znom (Electrical Impedance)
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4 ohm
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Re (DC resistance)
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0.07 ohm
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Le (Voice coil inductance @ 1kHz)
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85 µH
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Ribbon thickness
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9.5 µm overall
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Magnetic induction in the gap
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0.42 T
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Mmd (Mass of the ribbon)
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15 mg
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Sd (Radiating surface)
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6 cm^2
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Max. undistorted power through the matching transformer
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39W at 2.5kHz
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Lowest recomended cutoff frequency of the crossover
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3.15 kHz
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Weight
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0.78 kg
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NdRL 81 MkII Technical Data
|
Frequency response (-3dB, ripples less than 2dB)
|
2.8 - 40kHz
|
Sensitivity (1W (2.83V), 1 meter)
|
89 db (+/- 1dB)
|
THD (DIN 45500)
|
</= 1%
|
Handling Power capacity with crossover 3.15kHz, 12dB/oct
|
60W
|
Short term power (10mS)
|
220W
|
Znom (Electrical Impedance)
|
8 ohm
|
Re (DC resistance)
|
0.22 ohm
|
Le (Voice coil inductance @ 1kHz)
|
200 µH
|
Ribbon thickness
|
9.5 µm overall
|
Magnetic induction in the gap
|
0.42 T
|
Mmd (Mass of the ribbon)
|
15 mg
|
Sd (Radiating surface)
|
6 cm^2
|
Max. undistorted power through the matching transformer
|
39W at 2.5kHz
|
Lowest recomended cutoff frequency of the crossover
|
3.15 kHz
|
Weight
|
0.78 kg
|