Description
The CPT-S High CHIRP Bronze Through-Hull Transducer, 12° Tilt is a Raymarine CPT-S conical high-CHIRP transducer for compatible Raymarine chartplotters and sonar systems. Its bronze housing and through-hull installation are intended for the hull application described by this model, with a 12° tilted element that keeps the sonar beam closer to vertical on a deadrise hull.
Main Features
- Bronze housing for the hull applications appropriate to that material.
- Through-hull installation with the form factor identified by this CPT-S model.
- Conical high-CHIRP sonar for depth, bottom contour and fish-target separation.
- 25° fish-targeting beam on the CPT-S family, with depth capability up to approximately 900 ft under favourable conditions.
- Compatible with supported Raymarine sonar displays/modules; an adapter cable may be required depending on the host display connector.
Hull and Installation Fit
This version is intended for moderate-deadrise installations. The element angle and mounting location should be chosen so the active sonar beam is oriented as close to vertical as practical. Through-hull installations require careful placement in clean, non-aerated water and confirmation that the housing material is suitable for the hull; transom and in-hull versions have different installation requirements.
Display and Adapter Compatibility
CPT-S transducers provide conventional high-CHIRP sonar rather than DownVision, SideVision or RealVision 3D imaging. Raymarine documentation lists CPT-S compatibility with Element S and supported Element HV installations, and with Axiom/Axiom+/Axiom Pro variants when the correct transducer input or adapter is used. For 25-pin RealVision displays, Raymarine commonly specifies the A80490 adapter for CPT-S-style transducers. Always match the exact display generation and connector before installation.
Specifications
- Brand: Raymarine
- Part number: E70340
- Series: CPT-S
- Sonar: Conical high CHIRP
- Beam width: 25°
- Maximum depth: up to approximately 900 ft under favourable conditions
- Mounting: Through-hull
- Housing material: Bronze
- Tilted element: 12°

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