Speaker pursuit road > Nagaoka backing loading sound road data the top >
Sound road data of D-58
Enclosure basic data
| Va(air room volume) | 10368cm3 (about 10.4L) |
| S0(sectional area of thromboresistance) | 216cm2 |
| L(total length of horn) | 292.1cm |
| S(opening space of horn) | 1897cm2 |
| SR(drawing rate of thromboresistance) | 1.04 |
| fx(crossover frequency) | 209Hz |
| Frequency by return | Five times |
Internal enclosure structural data
| The first sound road part [ Air room ] | The second sound road part Thromboresistance ..[.. department | The third sound road part | |
| Length of horn | - | 40.7cm | 38.6cm |
| Length | 36cm | 6cm | 7cm |
| Side | 36cm | 36cm | 36cm |
| Depth | 8cm | 40.7cm | 38.6cm |
| ..decrease in the volume by reinforcement.. | 0cm3 | 512.8cm3 | 0cm3 |
| ..rise of the volume of the part by return.. | 0cm3 | 960.1cm3 | 0cm3 |
| Volume | 10368cm3 | 9239cm3 | 9727cm3 |
| Angle by return | 180 degrees | 360 degrees | 90 degrees |
| The fourth sound road part | The fifth sound road part | The sixth sound road part | |
| Length of horn | 47.9cm | 45.8cm | 80.7cm |
| Length | 47.9cm | 45.8cm | 80.7cm |
| Side | 36cm | 36cm | 36cm |
| Depth | 8.5cm | 11.4cm | 14.5cm |
| ..decrease in the volume by reinforcement.. | 184.8cm3 | 284.8cm3 | 6221.9cm3 |
| ..rise of the volume of the part by return.. | 899.6cm3 | 1126.4cm3 | 0cm3 |
| Volume | 15372cm3 | 19638cm3 | 35904cm3 |
| Angle by return | 360 degrees | 360 degrees | 90 degrees |
| The seventh sound road part | The eighth sound road part [ Opening ] | |
| Length of horn | 26.2cm | 12.2cm |
| Length | 32.8cm | 52.7cm |
| Side | 36cm | 36cm |
| Depth | 26.2cm | 12.2cm |
| ..decrease in the volume by reinforcement.. | 3960cm3 | 4998.2cm3 |
| ..rise of the volume of the part by return.. | 0cm3 | 0cm3 |
| Volume | 26977cm3 | 18148cm3 |
| Angle by return | 180 degrees | - |
2D image drawing

The subsequent page is data of D-58ES.