Mic Archive
Heil PR 40
Photo: Heil Sound, from its spec sheet, p. 1.

Heil Sound

Heil PR 40

Large end-address dynamic for broadcast, podcast and voice-over, also kick drum

Type
Dynamic
Pattern
Cardioid
Sensitivity
−53.9 dBV/Pa computed
Max SPL
148 dB SPL
Impedance
600 Ω
Rated range
28 – 18k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 2. Untitled graph; legend "0 Deg" and "180 Deg". The dB axis is labelled -40 to -90 with no unit (values kept as printed; they match the stated output level of -53.9 dB at 1 kHz). Distance, room and smoothing not stated.

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

Compare with other mics

All specs

From the spec sheet
Capsule1 inch dynamic element, large low-mass aluminium voice coil, neodymium iron boron magnet, hum-bucking coil. "features a 1" dynamic element". The 2010 sheet says "1 1/8" diameter dynamic", a "large low-mass aluminum voice coil" and a neodymium, iron and boron magnet (p. 1).p. 2
Sensitivity−53.9 dBV/Pa, 1 kHz. Not stated by the manufacturer: "Output Level -53.9 dB @ 1 kHz", no reference given; taken as dB re 1 V/Pa. The response graph agrees: the 0° curve sits near -54 at 1 kHz on an axis labelled -40 to -90.
Max SPL148 dB SPL, distortion not stated
Output impedance600 ohm, balanced. "600 ohms balanced".
Rated frequency range28 Hz to 18 kHz. The 2010 sheet: "28 Hz to 18 kHz at the -3 dB points" (p. 2).
Poweringnone (passive). Not stated by the manufacturer: A dynamic mic; no powering is mentioned.
ConnectorXLR-3 male. "Output Connection: 3 pin XLR"; "Polarity: pin 2+" in the 2010 sheet.
Weight383 g. Not stated by the manufacturer: "13.5 oz." converted (× 28.35 g).
FinishChampagne (PR 40); also matte black (PR 40B), matte black and gold (PR 40BG), chrome (PR 40C) and gold (PR 40G). Versions on page 1. The 2010 sheet: "anodized matte champagne".p. 1
Supplied accessoriesSM-3 microphone holder (5/8"-27). The 2010 sheet lists a leatherette carrying case and a mic stand clip, with the SM-2 shock mount as an option.p. 2
Rear rejection-40 dB at 180° off axis
Pop filteringDouble-layered internal pop filter, plus acoustically transparent foam over the element; an external windscreen is sold separately
Use (Heil)Designed for close use: sources about 2 inches (5 cm) from the end grill. End-address: sound enters the end, not the side
Suggested accessoriesPRSM shock mount, PL2T boom, SB-2 boom, Pro Set 3 headphonesp. 1
From the spec sheet (Recording Hacks copy)
Dimensions171 × 53 mm. Not stated by the manufacturer: Length × diameter: "6.75"" and "2.10"" converted. The dimension drawing (p. 2) says 6 11/16" (170 mm) and 2 1/16" (52 mm); the stem is 15/16" (24 mm), and 1" in the drawing.p. 1
CaseSteel
Shock mountElement on a Sorbothane shock mount (2010 sheet); four rear ports
Made inAssembled and tested in Illinois (2010 sheet)

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © Heil Sound, unchanged, with its original address.

Product page on heilsound.comRecording Hacks

Recommended for

Instruments whose sources name this mic, or an earlier version or variant of it.

Other mics