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AKG D40 Dynamic Cardioid Instrument Mic

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The D40 Dynamic Cardioid Instrument Mic has a Varimotion diaphragm deep-drawing process allows the diaphragm itself to be fine-tuned with no need for tuning resonators, leading to a quantum leap in au... Click To Read More About This Product

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The D40 Dynamic Cardioid Instrument Mic has a Varimotion diaphragm deep-drawing process allows the diaphragm itself to be fine-tuned with no need for tuning resonators, leading to a quantum leap in audio performance.The transducer is protected by a sturdy wire-mesh cap and takes extremely high sound pressure levels with ease. The D40 has a tough all-metal body

An integrated stand adapter and standard H 440 mounting bracket for snare drums, tom-toms, etc. make the D40 a highly versatile tool for use on drums, percussion, wind instruments, and guitar amps.


  • Dynamic microphone designed for drums and percussions, wind instruments, and guitar amps
  • Patented AKG Varimotion diaphragm
  • Custom built capsule mounting
  • Spring steel wire-mesh cap
  • Rugged all-metal body withstands typical tough handling on stage
  • Type: Cardioid
  • Polar pattern: 75 to 20,000 Hz
  • Sensitivity: 4 mV/Pa (-48 dBV)
  • Max. SPL: 144/156 dB SPL (for 1% / 3% THD)
  • Equivalent noise level: 18 dB-A
  • Impedance: <=200 ohms
    Recommended load impedance: >=1000 ohms
  • Connector: 3-pin XLR
  • Finish: dark stage blue
  • Dimensions: length 104mm x height 79mm x max dia 44mm
  • Net weight: 245 g (8.6 oz.)
  • Shipping weight: 380 g (13.4 oz.)
Pro Coverage
AKG Acoustics, U.S. Limited Warranty

Amended July 19, 2005

AKG Acoustics warrants AKG products against defects in material or workmanship for a period of two years from the date of original purchase, and agrees to repair or, at our option replace any defective unit without charge for either parts or labor. AKG grants a three-year warranty covering selected products (C 12 VR, C 414 B-ULS, C 414 B-TLII, C 414 B-XLS, C 414 B-XLII, C 426 B, C 451 B, C 480 B, C 391 B, C 1000 B, C 2000 S, C 3000 B, C 4000 B, C 4500 B, SolidTube) against defects in material and workmanship.

Warranty is valid for AKG products purchased and delivered within the United States for the original purchaser only. The purchaser's Bill of Sale will serve as proof of sale and warranty validity in the U.S. Shipment of defective items to AKG for repair will be at the customer's own risk and expense. AKG will assume the return shipping cost for all items repaired under warranty.

IMPORTANT: This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable care, the affixing of any attachment not provided with the product, loss of parts, or connecting the product to any receptacle other than specified.

This warranty is void unless AKG Acoustics, U.S.'s service center performs the repair. No responsibility is assumed for any special, incidental or consequential damages caused by the consumer. However, the limitation of any right or remedy shall not be effective where law prohibits such.

  • Customer Reviews

Review Snapshot

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AKGD40 Dynamic Cardioid Instrument Mic

(based on 1 review)

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Reviewed by 1 customer

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(10 of 10 customers found this review helpful)


AKG D40's, great for rock

By Rob Tavaglione

from Charlotte NC

Comments about AKG D40 Dynamic Cardioid Instrument Mic:

I had a chance to closely compare the D40's to four other affordable dynamic mics and found them to be best of the field, or at least the most versatile. The D40 sounds great on tom toms, especially the floor tom, with a sound that is very tight, firm and punchy. They're not thin like some budget drum mics and they're not too fat, no EQ needed at all. The D40 doesn't sound too good on snare (where the high hat leakage is brittle and distracting), but it will do a good job on kick with some bottom boost EQ. On drums, the D40's tend to get a punchy, "in your face" rock sound, that cuts through a mix easily. On guitars, the D40's sound great. Right next to a SM57, the D40's get a little more high end and a little more bottom too, for a slightly better sound. Same thing on a bass amp; defined highs, clean mids and a lean, tight bottom end. You may need to add bottom end EQ, if you're looking for an old school sound. I'm not too fond of the D40 on vocals, but then again, that's not their intent. They will do a fine job on horns however; accurate and crisp on a trombone, well balanced on sax, but maybe a little thin on a trumpet (try a ribbon there instead). The D40's appear well built and durable and their included mounting clip does a fine job of securing to drum rims. My only complaint (and it's a big one) is that the XLR connector is "upside down" for tom tom mounting. That is; if one is using right angle XLR cables for toms (like many of us do, to keep cables from touching cymbals) the hanging cable points upward, towards the cymbals, and right in the way. You will find the AKG D40's to be widely useful, well built and sonically very fast and punchy. Just buy some straight XLR cables for your tom toms and you're good to go, for live or studio work.

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