320B Series Echosounders
The B series echosounders have recently been superseded by the Sounder and Chirp series. The older 320B Series of echosounders has been replaced by the two newer Sounder Series and the Chirp Series. The direct crosses for the 320B Series products depends on the frequency and amount of output power requested. Breakdown as follows:
320B Upgrade Comparison Chart
| Original 320B Series | Frequencies | Upgrade to: |
|---|---|---|
| 320BP | Between 24 - 210kHz and 1kW of power per channel (maximum two channels) | Sounder Portable |
| 320BP | Between 3.5 - 210kHz and up to 2kW of power per channel (maximum two channels) | Chirp Portable |
| 320B Rack | Between 24 - 210kHz and 1kW of power per channel (maximum four channels) | Sounder Rack |
| 320B Rack | Between 3.5 - 210kHz and up to 2kW of power per channel (maximum four channels) | Chirp Rack |
| 320BR and 320BR Plus | (maximum four channels) | Chirp 3260 |