Mic Archive

Line Audio Design

Line Audio CM4

Small cardioid (slightly wide) condenser with a permanently biased capsule, XLR-plug sized

Type
Condenser (electret)
Pattern
Cardioid
Sensitivity
−42 dBV/Pa
Self-noise
16 dB(A)
Max SPL
135 dB SPL
Impedance
100 Ω
Rated range
20 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the graph, p. 1. Titled "CM4 Typical frequency response at 0.3m and 1m distance"; "Max allowed deivation from flat, 100-16.000Hz, is +-1dB (measured with MLS noise and 1/12 octave narrow smoothing)". The product page adds "on axis, at 1m, 23C". Room 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 product page
CapsulePermanently biased capsule made to Line Audio's specification; each capsule measured, selected and modifiedp. 1
Sensitivity−42 dBV/Pa (8 mV/Pa). "Sensitivity: 8mV/PA -42dB".
Self-noise16 dB(A). "Noise level: 16dB(A)".
Max SPL135 dB SPL, 0.5% THD, P48; also 140 dB SPL, distortion not stated; also 130 dB SPL, at 24 V; also 120 dB SPL, at 12 V. "Max SPL: 140dB, 135dB@ 0.5% THD (130dB@24V, 120dB @ 12V)".
Signal-to-noise ratio78 dB, DIN A-weighted; 68 dB CCIR. "S/N ratio (DIN A-weighted/CCIR): 78dB/68dB".
Output impedance100 ohm, less than ("<100 Ohm"). "Impedance: <100 Ohm".
Rated frequency range20 Hz to 20 kHz. "20-20000Hz (100-16000Hz+-1dB on axis, at 1m, 23C, MLS noise stimuli, 1/12 oct narrow smoothing)".
Poweringphantom, 12 - 48 V (P48 recommended). "12 - 48V (P48 recommended for best performance)".
ConnectorXLR-3 (Neutrik, gold-plated). "Connector: XLR (Neutrik gold plated)".
Dimensions77 × 20 mm. "Size: 77mm x 20mm": length × diameter.
FinishBlack. "Its size and black colour makes it less visible on stage".
Supplied accessoriesfoam windshield; microphone clip/holder for 3/8" and 5/8" (K&M 85035). "Delivered with foam windsheild and microphone clip/holder (3/8" and 5/8")"; the K&M 85035 clip "is included with all new CM4 and Omni1 microphones".
Flatness100-16,000 Hz ± 1 dB on axis, at 1 m, 23 °C (MLS noise, 1/12-octave smoothing)
Retail price1350 SEK excl. VAT, with windshield and clip
Optional accessoryCMEA elastic adapter (shock mount) for the K&M 85035 clip, 180 SEK
Made inSweden, by Line Audio Design

Documents

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

Recommended for

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

Other mics