Single-Band CHIRP Transducers
Single-band CHIRP transducers operate in only one frequency range. This may be the high range (H) which is typically 130-210 kHz, the medium range (M) which is typically 80-130kHz, or the low range (L) which is between 40 and 75 kHz.
These transducers provide a value alternative to the higher-priced dual-band models, and are often paired with fishfinders that have built-in sonar circuitry.
B75 & SS75
The B75 and SS75 are through-hull, low-profile, single-band CHIRP transducers. They are available in either the Low, Medium or High band, with a tilt of 0°, 12° or 20° to compensate for hull deadrise. The B75 has a bronze body and the SS75 has a stainless steel body.
B150
The B150 is a through-hull, low-profile, single-band CHIRP transducer with a bronze housing. It is available in the Medium band only, with a tilt of 0°, 12° or 20° to compensate for hull deadrise.
B175 & SS175
The B175 and SS175 are large-bodied, through-hull, low-profile, single-band CHIRP transducers. They are available in either the Low, Medium or High band, with a tilt of 0°, 12° or 20° to compensate for hull deadrise. There is also a High band model with a wide beam. The B175 has a bronze body and the SS175 has a stainless steel body.
B285
The B285 is a through-hull, single-band CHIRP transducer with a bronze housing and an external fairing. It is available in either the Medium band or in the High band with a wide beam.
B785
The B785 is a through-hull, single-band CHIRP transducer with a bronze housing and an external fairing. It is available in the Medium band only.
M175
The M175 is an in-hull, single-band, 1kW CHIRP transducer. It is available in the Medium band only.
M285
The M285 is a widebeam, in-hull, single-band, 1kW CHIRP transducer. It is available in the High band only.
P75
The P75 is an in-hull, single-band, 600W CHIRP transducer. It is available in the Medium band only.
P95
The P95 is an in-hull, single-band, 300W CHIRP transducer for trailered boats and RIBs. It is available in the Medium band only.
P155
The P155 is an in-hull, single-band, 300W CHIRP puck-style transducer. It is available in the Medium band only.
TM185
The TM185 is a large-bodied, transom-mounted, single-band CHIRP transducer with a stainless steel bracket. It is available in either the Medium band or in the High band with a wide beam.
TM150
The TM150 is a transom-mounted, single-band CHIRP transducer with a plastic bracket. It is available in the Medium band only.
CHIRP Marine is an independent source of information about CHIRP technology in transducers, sounders and fishfinders.
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