Go to Top

Microphones

Shure Commando 415, 430, 430SL Microphone

COMMANDO CONTROLLED MAGNETIC PAGING MICROPHONE MODEL 415, 420, 430 430SL Comes complete with swivel adapter and desk stand … and is easily remov­able for use as a hand-held microphone! Special “momentary” press-to-talk, lock­ing or non-locking, switch on the microphone controls both the microphone circuit and the external relay or control circuit. Smooth and uniform broad frequency response (60 to 10,000 Hz) is free from undesirable peaks. For indoor or outdoor …Read More

General Electric Royal Professional, MASTR Exec Radio Microphone

From a June 1969 General Electric Mobile Radio advertisement: GENERAL ELECTRIC MOBILE RADIO QUALITY…SPEAKS FOR ITSELF. Only the all solid-state MASTR Royal Professional Series uses silicon transistors, electronic voltage regulation, a computer-like Sensing and Control Network, cast aluminum receiver chassis, and plated-through printed wire boards. So? So, when you invest in a RoyalProfessional mobile radio, you’ll get all the communications capability you pay for. Because it stays on the job …Read More

Shure 404C, GE 404, Series Microphone

From the 1968 Shure Brothers Microphone Catalog: CONTROLLED MAGNETIC “404” SERIES … THE STANDARD OF THE INDUSTRY Without a doubt, the strongest and most practical close-talking micro­ phone for ANY mobile application. It is the most widely used mobile microphone among police, taxicab and fleet truck operators. Exclu­ sive ARMO-DUR Tlii case is comfortable to hold in hot or cold weather … is immune to oil, grease, fumes, sun, salt, spray, …Read More

Shure Model 450 Microphone

From the Shure 1972 Microphone Catalog The new modern design of this rugged omnidirectional Dispatcher Microphone fits every decor for dispatching and pag­ing use, and features a tele­scoping height adjustment (ap­prox. 2 1/2″) for maximum convenience. The case is made of rugged gray Arnio-Dur*, which won’t crack, peel. rust, or dent. The patented Con­trolled Magnetic Cartridge in­corporates an impedance switch for low or high impedance. The push-to-talk switch bar activates both …Read More

General Electric EM25 EM25A GE EM-25E

The Shure Brothers Model EM25A communication microphone was produced for the General Electric company for their mobile radio units. There are a variety of models, mostly differentiated by their body color. EM25A, EM25E, EM25M. The EM25 is basically a Shure 404C microphone in a custom body built for General Electric, and is easy to identify by it’s silver metal face grille.

Wilcox Gay Recordio CR81, CR81A Microphone

Via the 1964 Shure Microphone Catalog: The Wilcox Gay Record CR81A and Revere CR81 microphone model is a hand-held unit, ideal for general purpose use in tropical countries and in all coastal areas where heat and humidity are a prob­lem. The microphone was for reel-to-reel tape recording and was supplied with vintage Revere tape recorders. The “CR-81” provides the ruggedness, clear reproduction and high output for public address, communications and …Read More

Revere CR81, CR81A Microphone

Via the 1964 Shure Microphone Catalog: The Revere CR81A and Revere CR81 microphone model is a hand-held unit, ideal for general purpose use in tropical countries and in all coastal areas where heat and humidity are a prob­lem. The microphone was for reel-to-reel tape recording and was supplied with vintage Revere tape recorders. The “CR-81” provides the ruggedness, clear reproduction and high output for public address, communications and recording where …Read More

Shure CR81, CR81A Microphone

From the 1964 Shure Microphone Catalog: The Shure CR81A and Shure CR81 microphone model is a hand-held unit, ideal for general purpose use in tropical countries and in all coastal areas where heat and humidity are a prob­lem. The “CR-81” provides the ruggedness, clear reproduction and high output for public address, communications and recording where high speech intelligibility is vital. It is recommended for Announcing; Mobile Public Address Systems; Communications; …Read More

Shure Model 444 Microphone

MODEL 444 ADJUSTABLE HEIGHT “HAM” MICROPHONE Also sold as General Electric Model EM28A Made of Rugged “ARMO-DUR”­ Won’t Crack-Peel-Rust-Dent. At last, A microphone specifically designed to meet the needs of the discriminating amateur radio enthusiast! Shure has built into an entirely new, modern microphone the unmatched performance characteristics of the famed Model 440SL. Special features include press-to-talk switch with optional locking feature, providing ideal switching functions for both press-to-talk and …Read More

Shure 405K, GE EM10A Microphone

From the 1968 Shure Brothers Microphone Catalog: MODELS 405K CONTROLLED MAGNETIC MICROPHONES Designed for clear, crisp, natural voice response of high intelligibility. The 405K Series Communication Hand Microphones are pressure actuated units using the Shure developed balanced-armature Controlled Magnetic Cartridge. Model 405K-High impedance (14,000 ohms). Output level, -14 db (0 db=1 volt per 100 microbars). Direct re­placement for General Electric models EM10A1, EM10A2, EM10B2, EM10D, EM10E, EM25A, EM25E and for …Read More