Помощ в избора на говорители... Lancetta
Публикувано на: Пет Апр 15, 2011 9:38 am
Хареса ми този проект, но не мога да намеря говорител с характеристиките на оригиналния мисля да използвам Visaton F8SC 80 - 15000 Hz ? FRS8 също ми харесва но честотната лента почва от 100Hz това значи ли, че в ниските е по слаб? По долу сам сложил параметрите на "оригиналния" говорител и на този който аз съм избрал (Visaton F8SC) големият ? е какво трябва да преправя по кутията за да пасне на висатона?
http://www.lautsprechershop.de/hifi/lancetta.htm
Ето параметрите на "оригиналния" говорител:
NOMINAL IMPEDANCE 8 W
DCR IMPEDANCE 6.6 W
SENSITIVITY 1W/1m 87 dB
FREQUENCY RESPONSE 110 - 20K Hz
FREE AIR RESONANCE 110 Hz
VOICE COIL DIAMETER 20 mm
AIR GAP HEIGHT 6 mm
RATED POWER INPUT 15 W
MAXIMUM POWER INPUT 30 W
FORCE FACTOR, BL 3.53 TM
MAGNET WEIGHT ( 4 oz) 117 g
MOVING MASS 1.71 g
FERROFLUID ENHANCED No
SUSPENSION COMPLIANCE 1145 MN-1
EFFECTIVE PISTON AREA 0.0032M2
Levc 0.2947 mH
Zo 73.7591 ohm
X-max 0.5 mm
Vas 1.66 Litr
Qts 0.59
Qms 6.57
Qes 0.65
Ето и на visaton F8SC:
Rated power 20 W
Maximum power 30 W
Nominal impedance Z 8 Ohm
Frequency response 80–15000 Hz
Mean sound pressure level 82 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−2,5 mm
Resonance frequency fs 125 Hz
Magnetic induction 0,8 T
Magnetic flux 150 µWb
Height of front pole-plate 3 mm
Voice coil diameter 20 mm
Height of winding 4,5 mm
Cutout diameter 76 mm
Net weight 0,25 kg
D.C. resistance Rdc 7,9 Ohm
Mechanical Q factor Qms 2,94
Electrical Q factor Qes 1,29
Total Q factor Qts 0,9
Equivalent volume Vas 1,0 l
Effective piston area Sd 30 cn²
Dynamically moved mass Mms 2 g
Force factor Bxl 2,2 Tm
Inductance of the voice coil L 0,3 mH
http://www.lautsprechershop.de/hifi/lancetta.htm
Ето параметрите на "оригиналния" говорител:
NOMINAL IMPEDANCE 8 W
DCR IMPEDANCE 6.6 W
SENSITIVITY 1W/1m 87 dB
FREQUENCY RESPONSE 110 - 20K Hz
FREE AIR RESONANCE 110 Hz
VOICE COIL DIAMETER 20 mm
AIR GAP HEIGHT 6 mm
RATED POWER INPUT 15 W
MAXIMUM POWER INPUT 30 W
FORCE FACTOR, BL 3.53 TM
MAGNET WEIGHT ( 4 oz) 117 g
MOVING MASS 1.71 g
FERROFLUID ENHANCED No
SUSPENSION COMPLIANCE 1145 MN-1
EFFECTIVE PISTON AREA 0.0032M2
Levc 0.2947 mH
Zo 73.7591 ohm
X-max 0.5 mm
Vas 1.66 Litr
Qts 0.59
Qms 6.57
Qes 0.65
Ето и на visaton F8SC:
Rated power 20 W
Maximum power 30 W
Nominal impedance Z 8 Ohm
Frequency response 80–15000 Hz
Mean sound pressure level 82 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−2,5 mm
Resonance frequency fs 125 Hz
Magnetic induction 0,8 T
Magnetic flux 150 µWb
Height of front pole-plate 3 mm
Voice coil diameter 20 mm
Height of winding 4,5 mm
Cutout diameter 76 mm
Net weight 0,25 kg
D.C. resistance Rdc 7,9 Ohm
Mechanical Q factor Qms 2,94
Electrical Q factor Qes 1,29
Total Q factor Qts 0,9
Equivalent volume Vas 1,0 l
Effective piston area Sd 30 cn²
Dynamically moved mass Mms 2 g
Force factor Bxl 2,2 Tm
Inductance of the voice coil L 0,3 mH