Mic Archive
Heil PR 30
Photo: Heil Sound, from its spec sheet, p. 1.

Heil Sound

Heil PR 30

Large-diaphragm end-address dynamic, supercardioid, for guitar amps, drums, broadcast and podcast

Type
Dynamic
Pattern
Supercardioid
Sensitivity
−51 dBV/Pa computed
Max SPL
146 dB SPL
Impedance
370 Ω
Rated range
40 – 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; near the stated output level of -51 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.

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All specs

From the spec sheet
Capsule1 1/2 inch dynamic element, large low-mass aluminium voice coil, neodymium iron boron magnet, hum-bucking coil. "a large aluminum 1 1/2" low mass voice coil assembly". The 2010 sheet: "End fire generating element: 1 1/2" diameter dynamic", "Magnet structure: neodymium, iron & boron", and a hum-bucking coil (pp. 1-2).p. 2
Sensitivity−51 dBV/Pa, 1 kHz; also −52.9 dBV/Pa, 2010 spec sheet ("Output level -52.9 dB", no frequency). Not stated by the manufacturer: "Output Level -51 dB @ 1 kHz", no reference given; taken as dB re 1 V/Pa. The 0° curve on the graph (axis -40 to -90, no unit) sits near -50 at 1 kHz.
Max SPL146 dB SPL, distortion not stated. "Max SPL 146 dB".
Output impedance370 ohm, balanced; also 600 ohm, 2010 spec sheet ("600 ohm balanced"). "370 ohms balanced"; the product page agrees.
Rated frequency range40 Hz to 18 kHz. The 2010 sheet: "40 Hz. to 18 kHz. at the –3 dB points" (p. 2).
Poweringnone (passive). "without the inconvenience of phantom or outside d.c. powering".
ConnectorXLR-3 male. "Output Connection: 3 pin XLR"; "Polarity: pin 2+" in the 2010 sheet.
FinishChampagne (PR 30) or matte black (PR 30B). Versions on page 1. The 2010 sheet: "anodized matte champagne".p. 1
Supplied accessoriesSM-3 microphone holder (5/8"-27). "supplied with a microphone holder (SM-3)". The 2010 sheet lists a microphone stand clip, with the SM-2 shock mount as an option.p. 2
Rear rejection-40 dB at 180° off axis
Pop filteringTwo mesh screens of different openings, plus acoustically transparent foam over the element
Use (Heil)Designed for close use: sources about 2 inches (5 cm) from the end grill. End-fire: 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)
Dimensions159 × 52 mm. Not stated by the manufacturer: Length × diameter: "6 1/4"" and "2 1/16"" from the dimension drawing and the engineers' specification (p. 2), converted. The table on page 1 gives the diameter as "1.75"" (44 mm), which does not match its own drawing; the stem is 15/16" (24 mm), 1" in the drawing.p. 2
CaseSteelp. 1
Shock mountElement on a Sorbothane shock mount atop a non-resonant fixture (2010 sheet)p. 2
Made inAssembled and tested in Illinois (2010 sheet)p. 1
From the product page
Weight255 g. "Weight 9 oz (255 g)"; both sheets say "9 oz".p. 1

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

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