Currently not in stock: Please contact our sales team for product availability and lead times. Thanks to our strong supplier relationships our lead times are some of the quickest in the industry, giving us full confidence that we can still fulfil your requirements on back-order quicker than any competitor.
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11-20 units in stock: We currently have between 11-20 units in stock.
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If you place your order and we've not got a product in stock, a member of the sales team will contact you with our supplier lead times or to find an alternative.
Please call the sales team on 01525 850085 or email sales@leisuretec.co.uk if you have any questions.
Wireless Microphone Systems
We do our best to keep healthy stocks across the many Wireless Microphone System SKUs but in the rare case where we don't have your required system in stock, please contact our sales team as we can often make your product to order by borrowing the system components (transmitters, receivers or mics) from other stocked systems.
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Main Features
Exceptionally uniform cardioid pattern minimizes feedback in PA applications
Selectable dual-impedance operation
Silent magnetic reed on/off switch with lock option
The Model 545SD is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, it features a silent magnetic reed on/off switch.
The Classic Unidyne is a favorite for instrument pickup and recording,and can be used on lecterns for public address systems such as those used in political conventions and legislatures, convention halls, hotels, public auditoriums, stadiums, schools, and churches.
Product Features
Exceptionally uniform cardioid pattern minimizes feedback in PA applications
Selectable dual-impedance operation
Silent magnetic reed on/off switch with lock option
Cardioid dynamic
Frequency response: 50 to 15,000 Hz
Product Specifications
Type: Dynamic (moving coil)
Frequency Response: 50 to 15000 Hz
Impedance: Dual. Microphone rating impedance is 150 ohms (250 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms and 'High' for connection to high-impedance microphone inputs. Wired for low impedance as supplied. To change impedance, see sections on Impedance Selection and Connections.
Output Level: Open Circuit Voltage at 1 kHz (L: -58.0 dB (1.3mV)) (H: -35.0 dB (17.6 mV))
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Switch: Built-in magnetic reed on/off switch with lockplate. To lock switch in the ON position, remove screw on lockplate and turn lockplate 180°. Reassemble and tighten screw.
Swivel Adapter: Positive action, adjustable through 90° from vertical to horizontal, permits easy removal for handheld use, suitable for mounting on stand with 5/8 in.-27 thread
Housing: Chrome-plated die casting with ARMO-DUR grille and stainless steel screen
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