1. Introduzione
This manual provides detailed instructions for the proper installation, operation, and maintenance of your Icom SP37 Marine Hailer Horn. Please read this manual thoroughly before using the product to ensure safe and optimal performance. The Icom SP37 is a 40-watt horn speaker designed for marine applications, providing clear audio output for communication and signaling.
2. Informazioni sulla sicurezza
WARNING: The Icom SP37 Marine Hailer Horn is NOT waterproof. Exposure to direct water spray or submersion will cause damage and void the warranty. Install in a protected location.
- Scollegare sempre l'alimentazione prima dell'installazione o della manutenzione.
- Assicurarsi che tutti i collegamenti elettrici siano sicuri e adeguatamente isolati per evitare cortocircuiti.
- Do not operate the hailer horn at excessively high volumes for prolonged periods, as this may cause hearing damage.
- Mount the hailer horn securely to prevent it from dislodging during vessel movement.
- Refer to local regulations regarding the use of marine signaling devices.
3. Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- Icom SP37 Marine Hailer Horn (40 Watt)
If any items are missing or damaged, please contact your dealer or Icom customer support.
4. Configurazione e installazione
4.1 Mounting the Hailer Horn
The Icom SP37 is designed for boat mount installation. Select a suitable location on your vessel that is protected from direct water exposure, yet allows for clear sound projection. The mounting surface should be sturdy enough to support the horn's weight (approximately 3 pounds).

Image 1: Icom SP37 Marine Hailer Horn. This image shows the front view of the Icom SP37 hailer horn, featuring its rectangular shape and horn-like opening for sound projection. The mounting bracket is visible at the base.
- Scegli la posizione: Identify a secure, flat surface for mounting. Consider the horn's dimensions (approximately 10 inches L x 2.6 inches W x 6 inches H) and ensure adequate clearance.
- Segna i buchi: Use the mounting bracket as a template to mark the positions for the mounting bolts.
- Fori di perforazione: Drill appropriate pilot holes for the mounting hardware.
- Secure Horn: Attach the hailer horn using suitable marine-grade bolts, nuts, and washers (not included). Ensure the horn is firmly secured to withstand marine conditions.
4.2 Collegamenti di cablaggio
The SP37 is a wired device with coaxial connectivity, requiring a battery-powered source. It has an impedance of 4 Ohms.
- Fonte di energia: Connect the hailer horn to a stable 12V DC power source on your vessel. Ensure the power source can provide sufficient current for a 40-watt speaker.
- Ingresso audio: Connect the coaxial cable from your marine radio or communication system to the hailer horn's input. Ensure the connection is tight and protected from moisture.
- Prova di connessione: Before finalizing the installation, briefly test the hailer horn to confirm proper operation.
5. Funzionamento
The Icom SP37 functions as a horn speaker, primarily controlled by an external marine radio or communication system. Some systems may offer app-based control for features like volume or tone.
- Accensione: Ensure your marine radio or communication system is powered on.
- Controllo del volume: Adjust the volume through your connected marine radio or communication system. The SP37 has a maximum output power of 40 watts.
- Uscita audio: The horn will project audio from your connected device, suitable for hailing other vessels, foghorn signals, or public address functions.
- Controllo app (se applicabile): If your connected system supports app control, refer to that system's manual for instructions on controlling the SP37 via an app.
6. Manutenzione
Regular maintenance ensures the longevity and reliable performance of your Icom SP37 Marine Hailer Horn.
- Pulizia: Periodically wipe the exterior of the horn with a soft, damp stoffa. Non utilizzare prodotti chimici aggressivi o detergenti abrasivi.
- Ispezione: Regularly inspect the mounting hardware for tightness and signs of corrosion. Check all wiring for wear or damage.
- Protezione: As the unit is not waterproof, ensure its installed location remains protected from direct rain, spray, or submersion. Consider a protective cover when the vessel is not in use, especially if the mounting location is exposed.
7. Risoluzione Dei Problemi
If you experience issues with your Icom SP37, refer to the following common troubleshooting steps:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessuna uscita audio | No power to the connected radio/system; Loose or incorrect wiring; Faulty radio/system output. | Ensure the connected radio/system is powered on. Check all wiring connections for security and correct polarity. Test the radio/system with another speaker if possible. |
| Suono distorto | Volume too high; Damaged wiring; Interference. | Reduce the volume on the connected radio/system. Inspect wiring for damage. Check for sources of electrical interference. |
| Basso volume | Volume setting too low; Insufficient power. | Increase the volume on the connected radio/system. Verify the power supply is adequate and stable. |
If the problem persists after attempting these solutions, contact Icom customer support or a qualified marine electronics technician.
8. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Nome del modello | Icom SP37 |
| Tipo di altoparlante | Horn Speaker (listed as Subwoofer in some data) |
| Usi consigliati | Marine Communication, Signaling |
| Dispositivi compatibili | Boat, Ship (Marine Radios/Communication Systems) |
| Componenti inclusi | Icom SP37 Hailer Horn, 40 Watt |
| Dimensioni articolo (LxPxA) | 10 x 2.6 x 6 pollici |
| Peso dell'articolo | 3 libbre |
| Impedenza | 4 Ohm |
| Impermeabile | FALSO (Non impermeabile) |
| Metodo di controllo | App (tramite sistema connesso) |
| Fonte di alimentazione | Alimentato a batteria (12 V CC) |
| Tipo di driver audio | Driver dinamico |
| Tecnologia di connettività | Cablato, coassiale |
| Uso interno/esterno | Outdoor (protected location recommended) |
| Produttore | ICOM |
| Potenza massima in uscita dell'altoparlante | 40 Watt |
| Modalità di uscita audio | Horn Speaker Audio Output |
| Tipo di montaggio | Supporto per barca |
| UPC / GTIN | 731797027115 |
9. Garanzia e supporto
Icom products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Icom websito. Conservare la ricevuta d'acquisto come prova d'acquisto per eventuali reclami in garanzia.
For technical support, service, or inquiries, please contact Icom customer service through their official channels. Contact information can typically be found on the Icom websito o nella confezione del prodotto.