Pioneer MH-300
¥ 14,700 (around the late 1960 s?)
Commentary
A horn type mid-range unit developed for mid-range use.
The horn section consists of a metal throat section and an 8-part wooden multi-cellar horn. By adopting an 8-part multi-cellar horn, almost uniform characteristics are obtained over a wide angle of 135 °.
Phenol resin is used for the diaphragm, and polymer adhesive is used for the voice coil.
Model Rating
| Type | Horn type mid-range unit |
| Impedance | 8 Ω / 16 Ω |
| Cutoff frequency | 500 Hz or more |
| Reproduction frequency characteristic | 300 Hz to 5 kHz |
| Maximum allowable input | 20W |
| Output sound pressure level | 110dB/W |
| Total flux | 64,000maxwell |
| Magnetic flux density | 12,700gauss |
| Baffle opening | Width 460x Height 195 mm |
| External dimensions | Width 516x Height 235x Depth 500 mm |
| Weight | 3.3kg |