Visaton MR 130 8 Ohm, 5 Inch, HiFi Midrange Driver
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The MR 130 is a cone midrange for the band between 1000 and 5000 Hz, and its enclosed rear means no separate midrange chamber is needed inside the cabinet. This 8 Ω version is rated at 80 W with a 12 dB/oct. high-pass from 800 Hz, gives 89 dB (1 W/1 m), resonates at 500 Hz and allows ±2 mm of excursion.
Typical applications
- Midrange in multi-way systems
- Speaker kit builds
Full specifications
| Rated power | 80 W (12 dB/oct. high-pass from 800 Hz) |
|---|---|
| Maximum power | 100 W (12 dB/oct. high-pass from 800 Hz) |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 400–13000 Hz |
| Mean sound pressure level | 89 dB (1 W/1 m) |
| Opening angle (-6 dB) | 79°/4000 Hz |
| Excursion limit | ±2 mm |
| Resonance frequency fs | 500 Hz |
| Magnetic induction | 0.9 T |
| Magnetic flux | 260 µWb |
| Height of front pole-plate | 4 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 8 mm |
| Cut-out | 110 mm |
| Net weight | 0.55 kg |
| D.C. resistance Rdc | 6.8 Ω |
| Mechanical Q factor Qms | 8.67 |
| Electrical Q factor Qes | 5.85 |
| Total Q factor Qts | 3.49 |
| Equivalent volume Vas | 0.1 l |
| Effective piston area Sd | 70 cm² |
| Dynamically moved mass Mms | 5 g |
| Force factor Bxl | 4.3 Tm |
| Inductance of the voice coil L | 0.4 mH |
| Terminals | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow a 110 mm panel opening. The frame is 141 mm in diameter, with 4.5 mm fixing holes countersunk to 7.2 mm on a 121 mm circle; mark them from the unit itself rather than assuming the spacing. Behind the panel allow about 42 mm for the 110 mm basket and its 70 mm enclosed rear, plus room for the terminals and the wiring.
Mount it on a rigid baffle with a continuous seal between the frame and the panel, tighten the fixings evenly and only enough to seal so the frame is not distorted, and keep the cone clear of any grille. Use countersunk screws so that the heads sit flush with the frame. Connect to the 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) blade terminals with matching push-on connectors and observe polarity; the two blade widths identify it. The power ratings apply only with a 12 dB/oct. high-pass filter from 800 Hz, so feed it through the system crossover or a high-pass filter that gives at least that protection; never connect it directly to a full-range signal. Use an amplifier suitable for the 8 Ω load.
The rear of the driver is enclosed, so it needs no separate midrange chamber inside the cabinet and can share the main enclosure with the other drivers.
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