Monacor SPX 21M Fullrange

-12 %

RRP 26,57 €

plus shipping
Goods have to be ordered
Notification of availability
Sign in with your Amazon credentials and easily pay with the address and payment information stored in your Amazon account.
-12 %

Hi-fi full range speaker, 25 WMAX, 12 WRMS, 4 Ω
Key features:
  • Excellent sound quality
  • Inverse laminated cone and ventilated centering spider
  • Neodymium magnet system
  • Voice coil system of very low moving mass
  • Application in small speakers or satellite systems
  • Ideally suited for line arrays, column speakers
  • Combined with bass-midrange speakers, very well-suited as a tweeter system with a low crossover frequency

Short data

Usage as Fullrange
Power Handling 12 Watt
Impedance 4 Ohm
Frequency from 170 Hz
Max. Frequency 22 kHz
Sound pressure 84 dB


Overall dimensions 55.5 mm
Baffle cutout 50.5 mm
Depth (Total) 34 mm
Frame Material Steel plate
Voice coil Ø 20 mm
Voice coil material Kapton
Magnet Ø 29 mm
Magnet-weight 25.8 g


Resonance fs fs: 170 Hz
Mechanical Q Qms: 4.46
Electrical Q Qes: 0.53
Total Q Qts: 0.47
Equivalent Air-Volumen Vas: 0.14 Liter
DC-Resistance Re: 3.74 Ohm
Coil Inductance Le: 0.12 mH
Mech. Compliance Cms: 0.6 mm/N
Moving Mass Mms: 1.45 g
Max. Excursion +/- Xmax: 1.2 mm
BL Product Bl: 3.32 N/A
Membrane Area Sd: 13 cm²
Sound pressure dB: 84 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.

Other Products