Coles 4038 Stereo Matched Pair

Stereo matched pair of 4038s including XLR-stand mount adapters and individual plastic cases
MFR# 4038 M/P
Coles 4038 Stereo Matched Pair
Coles 4038 Stereo Matched Pair Coles 4038 Stereo Matched Pair Coles 4038 Stereo Matched Pair video
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Learn More About The Legacy of the Coles 4038 Ribbon Microphone. Check it out

The Coles 4038 Studio Ribbon Microphone is a British Broadcasting (BBC) design for broadcasting and recording applications. It is used where a clear smooth wide range frequency response, absence of transient distortion and relatively high sensitivity is essential.

The 4038 is a proven performer, and is in use around the world by broadcasting networks such as the BBC as well as top engineers and studios on hit recordings.

Frequency response of the 4038 is exceptionally flat from 30 Hz to 15 kHz and throughout this range the shape of the bi-directional (figure of eight) polar response is maintained substantially constant both in the horizontal and vertical planes, giving a natural sonic quality with smooth frequency response.


  • Pressure gradient transducer ribbon microphone
  • Substantially flat frequency response from 30 to 15,000 c/s
  • Extremely low (non-linear) distortion
  • Exceptionally low hum pick-up
  • Bi-directional (figure of eight) polar curve shape accurately maintained in both horizontal and vertical planes
  • Excellent transient response
  • Natural clear balanced response to sound signal
  • Body shape to enhance acoustic performance
  • Clear natural high fidelity sound reproduction
  • Smooth sonic textured response
  • All microphones factory tested in free field conditions


  • Ribbon: Low mass damped ribbon to control transient response
  • Polar Response: Bi-directional
  • Magnetic Fields: By use of hum neutralizing wiring and magnetic shielding of the toroidal ribbon to line transformer 30 to 40 dB reduction is achieved in response to stray disturbing magnetic fields
  • Frequency Response: 30 Hz to 15 kHz
  • Impedance: 300 Ohms
  • Sensitivity: -65 dB W.R.T. IV/Pa
  • Distortion: Less than 1% at 125 dB SPL
  • Connection: By means of 4069 3 pin jack plug. Pin 1 positive - Pin 2 negative - Pin 3 screen
  • Body Housing: Made of heavy gauge perforated brass backed by finely woven Monel mesh. Rotating hinge connection allows microphone to tilt through 90° and turned in any direction when either suspended or free standing
  • Dimensions: 7¼" (197 mm) x 3¼" (83 mm) x (61 mm).
  • Weight: 2 lb 6 oz. (1.08 kg)
  • Finish: Black stove enamel textured paint


Each microphone comes in a foam lined rigid plastic carrying case with 4069 XLR adaptor, and a soft cloth protective bag for safe keeping. Also included is the rigid microphone stand adaptor for mounting on standard 5/8" mic stands.


  • 4069 to XLR adaptor
  • Soft cloth protective bag
  • Foam-lined rigid plastic carrying case
  • Rigid 5/8" mic stand mount

Additional Information

Condition New
Package Contents Case, mic bag, jack plug, floor stand plug adaptor, mic to stand adaptor w/ XLR
Length 7.25 in
Diameter 3.25 in
Unit Weight 2 lb
Transducer Type Ribbon
Polar Pattern Bi-Directional / Figure-Eight
Number of Microphones Single Microphone
Phantom Required No
Impedance 300 Ohms
Frequency Range 30 Hz - 15 kHz
Sensitivity -65 dBV/Pa (0.6 mV)
Max. SPL 125 dB

Nice sounding mics that have a certain magic to them. Big sounding. They are warm accentuating the low-midrange in a very articulate way. They take the edge off of symbols and anything else that is spiky. Ribbons require more caution to handle and these are a bit clunky to setup, especially installing into a Blumlien bar or stereo bar which require an Allen wrench. XLR adapters are a bit finicky too. Just takes a bit of patience when setting these up, but worth it. I recommend using latchKing 2000 stands or something of an equivalent to support these confidently. They are heavy and seem super well built.

By Lou P on November 12, 2018

Super dark, vibey, textural, and fat sounding mic. You can't get that sound any other way! Looks and feels like a heavy duty skillet and you just can't argue that these sound anything less than completely badass on rock records. Drum overheads, guitar cabs, drum room mics are typically where they end up. The only downside is that the mount is a little bit clumsy to navigate, but that's a small price to pay for the sound of this classic mic.

By Steve K on May 4, 2017

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