Description
The Heil PR 40 pushes dynamic microphone design into territory usually reserved for condensers. Its large low-mass diaphragm captures a frequency range wider than typical dynamics can manage, while still handling extreme sound pressure levels without strain — making it equally at home in the vocal booth, on a broadcast desk, or in front of a loud stage source.
Heil Sound has spent decades refining phase behavior in communications microphones, and that expertise shows in the PR 40’s cardioid pickup pattern. Off-axis rejection at the rear is exceptionally tight, keeping bleed and unwanted room noise out of the signal. A neodymium-iron-boron magnet structure — among the strongest available in a dynamic capsule — combines with the diaphragm design to give the mic notable dynamic range and headroom.
Practical touches address real-world problems: a dual-diameter mesh screen paired with an internal breath blast filter tames pops and sibilance even when a performer works close to the grille. The element itself sits in a Sorbothane shock mount, decoupled from a heavy steel body, and an internal hum-bucking coil shields the signal from nearby monitors, lighting rigs, and other electrical noise sources.
- Wide frequency response for a dynamic microphone
- Cardioid pattern with strong rear rejection
- Neodymium-iron-boron magnet for high output and durability
- Dual mesh screen and internal breath blast filter
- Sorbothane-shock-mounted element with hum-bucking coil
- Rugged steel body suited to studio and live use
For engineers who need condenser-like clarity with the ruggedness of a dynamic, the PR 40 offers a compelling middle ground.
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