Monacor SPH-135TC 60W 8OHM Dual Voice Coil 5.5'' Speaker


Hi-fi bass-midrange speaker with twin coil.

Vendor: Monacor
SKU: 139-SPH-135TC
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The Monacor SPH-135TC is a hi-fi bass-midrange speaker with twin coil. Suitable for both miniature subwoofers and powerful 2-way speaker systems, as bookshelf speakers or extra slimline column speakers. has a dual voice coil and a polypropylene cone with good midrange attenuation.


Impedance (Z): 2 x 8 Ω
Resonant frequency (fs): 40 Hz
Max. frequency range: f3-6,000 Hz
Music power: 2 x 60 WMAX
Power rating (P): 2 x 30 WRMS
SPL (1 W/m): 85 dB
Suspension compl. (Cms): 1.69 mm/N
Moving mass (Mms): 8.9 g
Mech. Q factor (Qms): 3.44
Electr. Q factor (Qes): 0.48
Total Q factor (Qts): 0.42
Equivalent volume (Vas): 16 l
DC resistance (Re): 2 x 7.5 Ω/ 3.8 Ω
Force factor (BxL): 4.2 Tm
Voice coil induct. (Le): 2 x 0.6 mH/ 0.6 mH
Voice coil diameter: 20 mm
Voice coil former: aluminium
Linear excursion (XMAX): ±2.25 mm
Eff. cone area (Sd): 95 cm2
Magnet weight: 380 g

138 x 70 mm

1.2 kg

Delivery & Returns

Free Delivery

This is offered on all products regardless of order value to all mainland UK postcodes. Your purchase will be with you within 3 working days of your order being placed. If you are in the Scottish Highlands, Northern Ireland, Isle of Man and the Channel Isles you will still get free delivery but your order may take up to 5 working days to get to you.

I need my products quickly- can you help?

Absolutely! At check out you can select the option that suits you best.
We offer Next day, Saturday, Pre-10am and Pre-12pm delivery.
Unfortunately these options are not yet available for customers in the Scottish Highliands, Northern Ireland, Isle of Man and the Channel Isles.

When is the cut off for Next day delivery?

If you place your order before 2pm Monday- Friday, we will dispatch the same day.

For more information, including International delivery please click here.


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