TM-45
Cod EAN 4007754151220
Megaphone
Bass-midrange speakers, 20 W, 8 Ω (/8) and 4 Ω (/4) Particularly suitable for mini speaker systems and column speakers.
Impedance (Z) | 8 Ω |
Transmission technology | cable |
Frequency range | f3-16,000 Hz |
Resonant frequency (fs) | 120 Hz |
Power rating (RMS) | 20 W |
Peak music power output (MAX) | 40 W |
SPL | 88 dB/W/m |
Suspension compl. (Cms) | 1.1 mm/N |
Moving mass (Mms) | 1.6 g |
Mech. Q factor (Qms) | 2.82 |
Electr. Q factor (Qes) | 0.68 |
Total Q factor (Qts) | 0.55 |
Equivalent volume (Vas) | 1.5 l |
DC resistance (Re) | 6.5 Ω |
Force factor (BxL) | 3.40 Tm |
Voice coil induct. (Le) | 0.15 mH |
Voice coil diameter | Ø 19 mm |
Voice coil former | aluminium |
Linear excursion (XMAX) | ± 0.75 mm |
Eff. cone area (Sd) | 31 cm2 |
Magnet weight | 150 g |
Magnet diameter | Ø 70 mm |
Mounting cutout | Ø 72 mm |
Mounting depth | 43 mm |
Mounting hole diameter | Ø 84 mm |
Hole spacing X-axis | 59.5 mm |
Hole spacing Y-axis | 59.5 mm |
Dimensions | 78 x 78 x 43 mm |
Outside diameter | Ø 93 mm |
Width | 78 mm |
Height | 78 mm |
Depth | 43 mm |
Colour | black |
Admiss. ambient temp. | 0-40 °C |
Weight | 0.411 kg |
Packing unit | 1 |
Type of speaker | 3" |
Packaging dimensions (W x H x L) | 0.085 x 0.055 x 0.085 m |
Gross weight | 0.425 kg |
Net weight | 0.411 kg |