Deze units zijn een keer gebruikt, er is dus aan gesoldeert !
20 cm (8") HiFi woofer with strong drive, extended rear pole plate and 35 mm voice-coil for high power handling. Elastic rubber surround and coated paper cone
Technical Data: |
Rated power |
75 W |
Maximum power |
115 W |
Nominal impedance Z |
4 Ohm |
Frequency response |
fu–6000 Hz |
(fu: Lower cut-off frequency depending on cabinet) |
. |
Mean sound pressure level |
88 dB (1 W/1 m) |
Opening angle (-6 dB) |
48°/4000 Hz |
Excursion limit |
+/-10 mm |
Resonance frequency fs |
29 Hz |
Magnetic induction |
1,1 T |
Magnetic flux |
600 µWb |
Height of front pole-plate |
5 mm |
Voice coil diameter |
35 mm |
Height of winding |
12 mm |
Cutout diameter |
184 mm |
Net weight |
1,5 kg |
D.C. resistance Rdc |
3,4 Ohm |
Mechanical Q factor Qms |
3,99 |
Electrical Q factor Qes |
0,38 |
Total Q factor Qts |
0,35 |
Equivalent volume Vas |
65 l |
Effective piston area Sd |
214 cm² |
Dynamically moved mass Mms |
28 g |
Force factor Bxl |
7,7 Tm |
Inductance of the voice coil L |
1,50 mH |
Frequentieverloop

Afmetingen
