Features
The MR8B is a high efficiency 250W 8” midrange speaker available in a single 4 ohm configuration. It features a high quality Y35 magnet assembly and a 2” high power coil which delivers excellent midrange output in compact enclosures.
The paper cone and dust cap provides smooth frequency response from 70Hz to 2.5kHz. Push terminals are provided for easy and secure wire connections.
Physical Specifications
| Overall Diameter (inches) | 8.26 |
| Mounting Diameter (inches) | 7.2 |
| Mounting Depth (inches) | 3.6 |
| Cone Material | Paper |
| Dust Cap | Paper |
| Frequency Range (Hz) | 65-2500 |
| Voice Coil Diameter | 2” |
| Net Weight (lbs) | 5.2 |
Recommended Enclosures
For midrange applications, a 0.4 cu. ft. (11 litres) net sealed enclosure is recommended.
For midbass applications, a 0.8 cu. ft. (22 litres) net ported enclosure with a single 3” diameter port, 3.6” long is recommended. Use a 60Hz high pass filter with this enclosure.
This driver is also suitable for front horn loaded applications.
T/S Parameters
| Fs (Hz) | 88.9 |
| Qms | 8.12 |
| Qes | 0.98 |
| Qts | 0.88 |
| Vas (Litres) | 27.0 |
| Mms (g) | 17.6 |
| SPL 1W/m (db) | 94.7 |
| Continuous Power (W) | 250 |
| Re (Ω) | 3.4 |
| Le (mH) | 0.44 |
Frequency Response
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