A design which has become classic by now and materials which seem to be basic but which are of perfect workmanship, thus allowing for an excellent sound!
Hi-fi midrange speaker, 120 WMAX, 50 WRMS, 8 Ohm
- High-end technology matching the SPH-... series
- Coated special cone
- Dust cap with high damping
- Extra flat basket (does not have to be recessed!)
- Top linearity
- Perfect mass-drive ratio
- Wide bandwidth
- Hi-fi for highest requirements
| Impedance (Z) |
8 Ohm |
| Transmission method |
- |
| Frequency range |
fx-10,000 Hz |
| Resonant frequency (fs) |
85 Hz |
| Rec. crossov. frequ. (fmax.) (12 dB/oct.) |
300/5,000 Hz |
| Power rating (RMS) |
50 W |
| Peak music power output (MAX) |
120 W |
| Sensitivity |
89 dB/W/m |
| Max. rated SPL |
- |
| Max. voltage |
- |
| Radiation angle, horizontal |
- |
| Radiation angle, vertical |
- |
| Suspension compl. (Cms) |
0.8 mm/N |
| Moving mass (Mms) |
4.5 g |
| Mech. Q factor (Qms) |
1.98 |
| Electr. Q factor (Qes) |
0.55 |
| Total Q factor (Qts) |
0.43 |
| Equivalent volume (Vas) |
4 l |
| DC resistance (Re) |
6.3 O |
| Force factor (BxL) |
4.80 Tm |
| Voice coil induct. (Le) |
0.3 mH |
| Voice coil diameter |
Ø 25 mm |
| Voice coil former |
aluminium |
| Linear excursion (XMAX) |
± 1.5 mm |
| Eff. cone area (Sd) |
55 cm2 |
| Magnet weight |
230 g |
| Magnet diameter |
Ø 72 mm |
| Mounting cutout |
Ø 101 mm |
| Mounting depth |
54 mm |
| Mounting hole diameter |
- |
| Hole spacing X-axis |
- |
| Hole spacing Y-axis |
- |
| Dimensions |
115 x 115 x 55 mm |
| Outside diameter |
- |
| Width |
115 mm |
| Height |
115 mm |
| Depth |
55 mm |
| Protective class |
- |
| Admiss. ambient temp. |
0-40 °C |
| Weight |
0.56 kg |
| Packing unit |
1 |
| Type of speaker |
4" |