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SPH-135C
£49.20
The SPH-135C is a versatile drive unit from the Monacor 135 series featuring a woven carbon fibre cone, vented pole piece and diecast chassis. When mounted in correctly aligned cabinets this long throw unit is capable of reproducing bass that is surprisingly deep and accurate - ported cabinets of around 14 litres can give an in room response extending down into the upper 30s (Hz) which is excellent for a driver of this size.
A fine replacement unit for a wealth of mainstream designs requiring a high quality 5¼ bass driver such as Rogers, Castle, Mission etc. Full details and dimensions can be found on the downloadable datasheet.
| Resonant frequency (fs) | 40 Hz | Nominal impedance (Zn) | 8 Ω |
| Mechanical Q factor (Qms) | 4.48 | DC resistance (Re) | 6 Ω |
| Electrical Q factor (Qes) | 0.43 | RMS power handling | 50W |
| Total Q factor (Qts) | 0.39 | Sensitivity (2.83V/1m) | 88 dB |
| Equivalent volume (Vas) | 17L | Chassis diameter (pincushion profile) | 133 mm |
SPH135C, SPH 135 C
