description Shure SM84 Overview
The Shure SM84 is a robust, unidirectional lavalier microphone known for its durable construction and ability to capture clear audio in challenging environments, frequently utilized on film sets and live performances due to its reliable performance and rejection of off-axis noise.
help Shure SM84 FAQ
Is the Shure SM84 actually a lavalier microphone?
Yes, despite being an older model, the Shure SM84 is a professional electret condenser lavalier microphone. It was designed for broadcasting and sound reinforcement, not as a modern Bluetooth or USB portable microphone.
What pickup pattern does the Shure SM84 use?
The SM84 uses a supercardioid, or unidirectional, pickup pattern that rejects more sound from the sides and rear than an omnidirectional lavalier. Shure designed that pattern to reduce unwanted bleed and improve gain before feedback.
Does the Shure SM84 need phantom power or a battery?
It can operate from phantom power across common supply voltages or from a standard 9-volt battery installed in its amplifier assembly. The microphone has an attached cable and a separate amplifier pack rather than a self-contained wireless transmitter.
Why would someone choose the SM84 over an omnidirectional lavalier?
The supercardioid pattern can reduce background sound and stage bleed when the microphone is positioned carefully toward the speaker. The tradeoff is that placement is more directional than with an omnidirectional lavalier, so head movement and mounting angle matter more.
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