Mic Archive
Electro-Voice RE27N/D
Photo: Electro-Voice, from its spec sheet (Recording Hacks copy), p. 1.

Electro-Voice

Electro-Voice RE27N/D

Variable-D end-address cardioid dynamic for broadcast announce and voice-over, with neodymium magnet and three filter switches

Approximate Some readings for this mic are uncertain; see the graphs.

Type
Dynamic
Pattern
Cardioid
Sensitivity
−52 dBV/Pa
Impedance
150 Ω
Rated range
45 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 2. Titled "Frequency Response"; "RESPONSE IN dB", 5 dB per division, no 0 dB marked. Distance, anechoic or not and smoothing are not stated.

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

Polar pattern

Polar pattern: from the spec sheet, p. 2. Titled "Polar Response", "Scale is 5 decibels per division"; two plots, 125 to 500 Hz and 1 to 10 kHz; 0° at the top, rings unlabelled. Measuring conditions not stated. Approximate some frequencies are identified by reasoning, not by the legend: 250 Hz, 500 Hz, 3k Hz.

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All specs

From the spec sheet
CapsuleN/DYM neodymium-alloy magnet, reinforced diaphragm dome, hum-bucking coil. General description.p. 1
Sensitivity−52 dBV/Pa (2.52 mV/Pa), open circuit, 1 kHz; also −50.2 dBV/Pa, 3.1 mV/Pa in the 2004 data sheet (Rev D). "2.52 mV/pascal = 1 kHz"; converted. Rev D (2004) gives 3.1 mV/Pascal, both pages.
Output impedance150 ohm, balanced
Rated frequency range45 Hz to 20 kHz. The A&E specification on page 2: "45-20,000 Hz".
Poweringnone (passive). Not stated; a dynamic microphone ("self-generating transducer").
Switchessharp bass cut: off, on; gentle bass roll-off: off, on; treble cut: off, on. Three recessed slide switches (SW1-SW3 in the wiring diagram; which is which is not said). A&E specification: one tilts the bass "down 6 dB from 250 to 100 Hz", one gives "a gentle roll-off of 12 dB from 1,000 to 100 Hz", one "shall decrease the high-frequency rise by 3 dB". Page 1 calls the first "a sharp low-frequency cut at 200 Hz". Switch names are ours.p. 2
ConnectorXLR-3 male. Not stated by the manufacturer: The wiring diagram shows pins 1-3; polarity "Pin 2 will be positive referenced to Pin 3".
Weight709 g, net. "709 g (1 lb, 9 oz)"; shipping weight 1,446 g.p. 1
Dimensions216.7 × 54.4 mm. Length × widest diameter; body diameter 49.2 mm.
FinishSatin nickel, steel case
Supplied accessories81715 stand clamp. Furnished. Optional: 309A shock-mounted stand adapter.
Power level-51 dB at 1 kHz (0 dB = 1 mW/Pascal)
Hum pickup level, typical-130 dBm (60 Hz / 1 millioersted field)
PolarityPin 2 will be positive referenced to pin 3 with positive pressure on diaphragm
Variable-DContinuously Variable-D design reduces bass-boosting proximity effect
Response (A&E specification)Essentially flat from 80 to 2,000 Hz with a 6 dB rise from 2,000 to 16,000 Hz, switches flatp. 2
Blast filterIntegral blast and wind filter over each acoustic opening; part of it shock-mounts the transducerp. 1
Optional accessories309A shock-mounted stand adapter, for floor stand or recording boom
Part number16271446p. 2

Documents

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

Product page on products.electrovoice.comRecording Hacks

Recommended for

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