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LIVE
LFR 52
High resolution speaker
• Full-range driver 2’’ (50mm)
• Max. power: 50 W / Nom. power: 25 W
• Frequency response 200 Hz - 45 KHz
• Impedance 4 Ohms
Die cast aluminium basket - Aluminium cone - Rubber surround - Long
life “Nomex” damper - 20.4 mm (0.8’’) voice coil with aluminium former
- 40 mm x 6 mm (1.6’’ x 0.236’’) neodymium magnet
Optimized for sealed enclosure volume from 250 mL to 500 mL
Minimal required cut off frequency : 250 Hz 12 dB/octave
T-Yoke equipped with a faraday copper ring which limits the creation of
Foucault currents
TECHNICAL SPECIFICATIONS
Component
Max power
Nominal power
Impedance
Freq. Response
Sensitivity (2,83V/1m)
Magnet
Magnet size Ø x h
Total driver displacement
Weight of one component
Voice coil Ø
Voice coil height
Cone
Full-range
50 W
25 W
4 Ω
200 Hz - 45 KHz
86 dB
Neodymium
40 x 6 mm 1.575‘’x 0.236 ‘’
0.3 l 0.011 cf
0.165 kg 0.364 lb
20 mm 0.803“
3.5 mm 0.138“
Aluminum
FREQUENCY RESPONSE / IMPEDANCE
6x
5,1
73,5
66
THIELE-SMALL PARAMETERS
effective Ø (d)
Sd
Xmax
Re
Fs
Le
L2
Vas
Mms
Cms
BL
Qts
Qes
Qms
Sensitivity (dB/W/m)
47 mm
17.35 cm
-1 mm
3,72 Ω
135.88 Hz
16.13 µH @1 kHz
68.02 µH @10 kHz
0.39 L
1.50 g
0.916015 m/N
2.41 Tm
0.64
0.82
2.85
82.6 dB
41,6
32
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