Type | Power source | Fundamental frequency, Hz | IMO minimum required 1/3 rd octave band level at 1m, db | IMO required fundamental frequency, Hz |
AT 150/130 | Air-driven | 130 | 138 | 130-350 |
AT 150/165 | Air-driven | 165 | 138 | 130-350 |
MT 150/130 | Electrically driven | 130 | 138 | 130-350 |
MT 150/140 | Electrically driven | 140 | 138 | 130-150 |
AT 150/200 | Air-driven | 200 | 138 | 130-350 |
AT 150/330 | Air-driven | 330 | 138 | 130-350 |
TK 80 | Contactor unit |