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I’ve been using the Coles 4038 stereo pair for years, and I’m consistently impressed by their sonic quality. These studio microphones are a piece of audio engineering history, offering that signature warm, vintage sound that makes recordings smooth as silk.
From acoustic guitars to drum kits, the 4038 delivers a balanced response across a wide range of frequency responses – a hallmark of a truly versatile microphone.
Coles 4038 Stereo Matched Pair Ribbon Microphones - Incredibly clear and detailed sound
- Excellent for overheads on drums
- Flattering for brass and woodwinds
- Great for room mics to add depth
- Superb on acoustic guitars and strings
- Built to last a lifetime
- You'll need deep pockets to afford a matched pair.
- They need careful handling, sturdy mic stands and good shock mounting.
- Rumble can be an issue without isolation pads.
- pop filters are a must for vocals.
- Not as crisp as modern condensers. (This can be good or bad, depending on your needs.)
- Cheap interfaces won't do them justice. Factor in the added cost of a beefy preamp.
Are the Coles 4038 worth it?
The Coles 4038 stereo pair is top-notch and an ideal choice for those seeking fidelity sound reproduction. I’ve used them for years, and their acoustic performance never fails to deliver rich, natural recordings. Whether you’re after a lush overhead sound on drums or a flattering capture of a guitar amp, these mics excel.
I recently tested them on trumpet, and the sonic quality was fantastic. The warm, full-bodied tone was spot-on, and the balanced response helped the brass sit perfectly in the mix. Just be sure to pair them with a decent audio interface or phantom power-safe preamp to really get the most out of them.
NOTE: Remember: some ribbon mics can be damaged by improper or excessive phantom power, so always double-check your gear settings.
Performance highlights
- Minimal transient distortion: The 4038s handle quick hits—like snare strikes or plucked strings—beautifully, ensuring minimal distortion in the process.
- Figure-8 polar pattern: The bi-directional design captures sound from the front and rear, which is especially useful if you want to exploit room reflections.
- Wide frequency range: Though not overly boosted at the top end, it still covers a wide-range frequency response for most audio applications.

Incredibly clear and detailed sound: Despite the vintage vibe, you still get a flat frequency response that doesn’t overhype any band.
Excellent for overheads on drums: The bi-directional pickup pattern helps record a full kit sound without that sharp cymbal edge.
Flattering for brass and woodwinds: The textured response of a ribbon mic adds warmth.
Great for room mics to add depth: The figure-8 polar curve shape naturally picks up reflections for rich acoustic performance.
Superb on acoustic guitars and strings: Ideal for capturing natural resonance with minimal distortion.
Built to last a lifetime: A robust body shape and metal housing protect the delicate ribbon magnetic field assembly.
You’ll need deep pockets: A studio ribbon microphone of this caliber isn’t cheap, especially for the matched pair.
Fragile: Requires careful handling (the ribbon can be damaged if you accidentally supply phantom power or drop it).
Rumble can be an issue: Use isolation pads to avoid low-frequency vibrations.
Pop filters are a must for vocals: Ribbon elements are sensitive to direct blasts of air.
Not as crisp as modern condensers: The high end is more subdued (which can be beneficial for certain applications).
Cheap interfaces won’t do them justice: You need a quality preamp with adequate gain—no surprises there.
The bottom line
Yes, the price might make you wince, but the quality and consistent performance easily justify the cost. Coles 4038 mics are an investment that can outlast most gear in your studio, thanks to their robust magnetic field design and legendary craftsmanship.
In my studio, these ribbons excel at capturing acoustic instruments with a warm, textured response that’s hard to beat. Their flat response approach and extremely low (non-linear) distortion keep your recordings honest while adding that classic ribbon character. If you crave a smooth top-end and professional recordings, the Coles 4038 stereo pair might be exactly what you’re looking for.
Pair them with sturdy stands (these are hefty mics) and take care when mounting them. Handle them with respect, and they’ll reward you with years of sonic bliss. They remain one of my go-to choices for studio microphones whenever I want that unmistakable ribbon depth and fidelity sound reproduction.
Ready to upgrade your sound? Try the Coles 4038 stereo pair and hear the difference for yourself!

Scoring
| Criterion | Score (out of 10) | Weight (%) | Weighted Score |
|---|---|---|---|
| Sound Quality | 10 | 30% | 3.00 |
| Ease of Use | 9 | 20% | 1.80 |
| Features | 8 | 15% | 1.20 |
| Build Quality | 9 | 15% | 1.35 |
| Value for Money | 8 | 10% | 0.80 |
| Compatibility | 9 | 5% | 0.45 |
| Innovation | 7 | 5% | 0.35 |
| Total Score | 100% | 8.95 |
Frequently asked questions
No, the 4038 doesn’t need phantom power. It’s a passive ribbon mic that works without any external power source, making it simple to use with most preamps and interfaces.
The 4038 has a smooth, natural frequency response:
- Flat from 30 Hz to 15 kHz
- Slight roll-off above 15 kHz
- Gentle presence boost around 8-10 kHz
This gives it a warm, balanced sound that’s not harsh, perfect for taming bright sources without losing clarity.
The 4038 was born in the 1950s, designed by the BBC for broadcast use. Its clear, smooth sound made it a hit in studios too, and it’s been used on countless classic recordings.
Notable users include:
- The Beatles
- Led Zeppelin
- Pink Floyd
Its vintage charm and reliable performance still make it a go-to mic for many top engineers today.
Compared to other ribbons, the 4038:
- Has higher output, meaning less noise and easier usage
- Is more robust, capable of handling higher SPLs
- Features a wider frequency response
Its figure-8 pattern is also wider than most, offering a more open sound and better off-axis response.
When shopping for used 4038s:
- Check for dents or damage to the body
- Look for any visible sag in the ribbon
- Test the output of both mics—they should be nearly identical
- Listen for any unusual noise or distortion
I’d also recommend buying from a reputable seller who can verify the mics’ condition. These are precision instruments, so proper care is crucial.
The 4038 is built like a tank, but older models might need some TLC. A well-maintained pair can last for decades and sound fantastic.

