Korena
Product detailSKU #1273887983604

AKGC451 B Reference Small-Diaphragm Condenser Microphone

AKG
AKG C451 B Reference Small-Diaphragm Condenser Microphone

Independent shopping perspective

The Korena take

Small-diaphragm cardioid condenser with switchable pads and bass cut. For engineers recording acoustic guitar, drum overheads, hi-hat, percussion and strings.

AKG C451 B Reference Small-Diaphragm Condenser Microphone product detail
Product studyAKG C451 B Reference Small-Diaphragm Condenser Microphone

Strong match

Who this is for

  • Drum overheads and hi-hat where transients need to stay sharp
  • Acoustic guitar and percussion in a treated room
  • Stereo pairs — the 19 mm barrel fits tight in bar clamps

Consider the trade-offs

When to look elsewhere

  • First-mic buyers — a large-diaphragm condenser is more versatile for vocals
  • Anyone without phantom power on their interface or mixer
  • Untreated rooms, where a sensitive condenser picks up everything

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01

−10 / −20 dB pads

Cuts output before the preamp so close-miked snare or brass does not overload the input.

Detail 02

75 / 150 Hz bass cut

Rolls off low rumble and proximity buildup at the mic, so you EQ less later.

Detail 03

18 dB-A self-noise

Quiet enough for detailed acoustic sources; hiss stays under the performance at normal gain.

Detail 04

9 to 52 V phantom

Runs on lower-voltage phantom supplies too, not just a full 48 V desk.

Detail 05

200 ohm output, 1,000 ohm load

Standard balanced output. It drives long XLR runs without losing top end.

Detail 06

19 mm diameter, 160 mm long

Pencil body fits into hi-hat and tom gaps a fat mic body cannot reach.

Final check

Know before you order

  1. 01Requires 48 V phantom power from your interface, mixer or a separate supply
  2. 02Budget for a stand clip, shockmount and stereo bar if pairing
  3. 03Two mics are needed for a stereo overhead pair — this is one

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Does the C451 B need phantom power?

Yes. It runs on 9 to 52 V phantom, so any standard 48 V interface or mixer works, and lower-voltage supplies work too.

02When should I use the pad?

On loud close sources — snare, hi-hat, brass, guitar cabs. Start at −10 dB and go to −20 dB if the preamp still clips.

03Is it good for vocals?

It can work, but a small-diaphragm cardioid is built for detail and transients. Most people reach for a large-diaphragm mic for lead vocals.

04What does the bass cut switch do?

It rolls off lows at 75 Hz or 150 Hz. Useful for taming proximity buildup on close-miked acoustic guitar or cutting stage and floor rumble.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

4 detailsSound
Polar Pattern
Cardioid
Electrical Impedance
200 ohms
Recommended Load Impedance
1,000 ohms
Sensitivity
9 mV/Pa
3 detailsBody & build
Color
Tan
Body Finish
Nickel-plated satin
Finish
Nickel-plated satin
2 detailsConnections & power
Voltage
9 to 52V
Audio Output
Balanced XLR
4 detailsSize & weight
Weight
125
Audio Frequency Bandwidth
20Hz–20kHz
Diameter
19 mm
Height
160 mm
7 detailsOther
Preattenuation Pad
–10; –20dB
Gender
Male
Bass Cut Filter
75; 150Hz
Current
2 mA
Signal to Noise
76dB-A
Equivalent Noise Level
18dB-A
Contacts
3-pin

Complete your setup

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