Mic Archive
Electro-Voice 635A
Photo: Electro-Voice, from its spec sheet, p. 1.

Electro-Voice

Electro-Voice 635A

Dynamic, omnidirectional, steel-cased handheld interview mic (635A fawn beige, 635A/B black)

Type
Dynamic
Pattern
Omni
Sensitivity
−57.1 dBV/Pa computed
Impedance
150 Ω
Rated range
80 – 13k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 2. Titled "Frequency Response"; relative dB with a "5 dB" mark but no 0 dB label. 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
CapsuleAcoustalloy diaphragm, Alnico V magnet, four-stage pop and dust filter, internal shock absorber. Pop filter and shock absorber p. 1; Alnico V and the "nonwelded" magnetic circuit in the Architects' and Engineers' Specifications (p. 2). Acoustalloy named in the old sheet, p. 1.p. 1
Sensitivity−57.1 dBV/Pa (1.4 mV/Pa), open circuit voltage, 1 kHz. Not stated by the manufacturer: Stated as "1.4 mV/Pascal"; converted: 20·log10(0.0014) = -57.1.
Output impedance150 ohm, low impedance; "will match 50-, 150- and 250-ohm inputs". Matching inputs from p. 2.
Rated frequency range80 Hz to 13 kHz. "80 Hz to 13,000 Hz (see chart)".
Poweringnone (passive). "Self generating, no powering required".
ConnectorXLR-3 male. Not stated by the manufacturer: Polarity "Pin 2 positive, referenced to pin 3"; the old sheet asks for a built-in connector "similar or equivalent to the Switchcraft A3M" (p. 2).
Weight170 g, net
Dimensions151 × 36 mm. Length × diameter; the drawing (p. 2) shows a 19 mm handle.
Finish635A fawn beige; 635A/B semi-gloss black
Supplied accessories311 stand adapter. The old sheet lists a 312A stand adapter and a 15 ft (4.6 m) cable with a Switchcraft A3F connector.
CaseSteel ("provides magnetic shielding and strength")
PolarityPin 2 positive, referenced to pin 3, with positive pressure on the diaphragm
Output level-55 dB (0 dB = 1 mW/10 dynes/cm²)p. 2
Optional accessories314E windscreen; 422A desk standp. 1
Shipping weight454 g (16 oz), single mic
From the spec sheet (Recording Hacks copy)
EIA sensitivity rating-149 dBp. 1
Cable (old sheet)15 ft (4.6 m), 2-conductor shielded broadcast cable, synthetic rubber jacket, Switchcraft A3F connector

Documents

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

Recording Hacks

Recommended for

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

Other mics