The Icom SM-50 is a premium, professional-grade dynamic desktop microphone engineered to deliver exceptionally clear, high-intelligibility voice transmissions for amateur radio operators and commercial communication stations. Outfitted with a high-performance dynamic microphone capsule and an integrated preamplifier circuit, this unidirectional gooseneck microphone is designed to maximize your signal’s punch and clarity. Whether you are contesting, chasing DX, or managing a local traffic net, the SM-50 ensures your voice is reproduced with outstanding natural tone and presence.
The SM-50 features a large, heavy-duty base that provides robust, slip-free physical support on your operating desk. Integrated directly into the base console is a suite of tactile, user-friendly controls, including standard Push-To-Talk (PTT), a PTT Lock button for long hands-free transmissions, and dedicated Up and Down (UP/DOWN) frequency tuning buttons (the functionality of which depends on your specific transceiver’s programming). It also features an integrated ‘Low Cut’ filter switch on the base, allowing you to instantly attenuate low-end background rumble and AC hum, optimizing your voice audio for maximum readability in crowded band conditions.
For ultimate operating comfort, the microphone element is mounted on a highly flexible, robust gooseneck stem that allows for precise, micro-adjustable tilt and height positioning to suit your natural sitting posture. Out of the box, the Icom SM-50 is equipped with a straight, heavy-duty 1-meter connection cable terminated with a standard 8-pin round (Foster) plug. This ensures seamless, plug-and-play compatibility with a wide array of legacy and modern Icom HF, VHF, and UHF base transceivers. Furthermore, by adding an optional OPC-589 cable adapter, the SM-50 can be converted to interface seamlessly with modern Icom transceivers utilizing standard RJ-45 modular microphone jacks.
Key Features
- Integrated Preamplifier: Dynamic capsule is supported by a built-in preamplifier to provide clean, high-gain audio output.
- Integrated Low-Cut Filter: Selectable Low-Cut switch helps eliminate ambient room noise and low-frequency static.
- Full PTT & Lock Controls: Large, high-wear PTT and PTT-Lock keys simplify short and long-form radio transmissions.
- Transceiver UP/DOWN Buttons: Conveniently change frequencies or memory channels directly from your desk mic.
- Flexible Gooseneck Design: Fully adjustable height and tilt angle make it easy to position the mic element perfectly.
- Secure Weighted Base: Heavy-duty base prevents sliding on the desk and absorbs physical vibrations.
- Universal Compatibility: Connects to 8-pin round Foster ports natively, or RJ-45 sockets via an optional OPC-589 adapter.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Icom |
| Model Designation | SM-50 |
| Microphone Type | Dynamic Desktop Gooseneck Microphone |
| Output Impedance | 55 Ω ± 30% |
| Microphone Sensitivity (Gain) | -30 dB ± 4 dB |
| Connection Interface | 8-pin round connector (Foster) (RJ-45 supported via optional OPC-589) |
| Cable Properties | Straight connection cable, approx. 1 m ± 5 cm (3.28 ft ± 1.97 in) |
| On-Base Controls | PTT button, PTT Lock button, UP/DOWN buttons, Low-Cut switch |
| Net Weight | 730 g ± 100 g (1.61 lb ± 3.53 oz) |
Package Content
- 1x Icom SM-50 Desktop Gooseneck Microphone
- 1x Integrated 1-meter Straight Cable (8-Pin Round Foster Connector)
- 1x User Reference Manual
