The AKG K612 ranks #55 out of 165 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: AKG
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#55 AKG K612: $279.00 B&H Photo Video eBay
Pros: A preference score of 81 in oratory1990’s measurement puts the K612 close to the response most listeners prefer, and a deviation of only about 2 dB around target means few bands stand out. Bass from 60 to 200 Hz sits within 1 dB of target and the mids are nearly flat, so voices and instruments keep a natural balance. Neutral and bright listeners are the best match, and at 235 g it is a light open-back design.
Cons: Sub-bass falls 6 dB below target by 34 Hz, so the deepest rumble in electronic and film soundtracks is thin. A 5.2 dB dip near 9.4 kHz dulls cymbal shimmer slightly, while a 4.2 dB peak near 5.9 kHz can make some recordings edgy. At 120 ohms and 101 dB/V it needs more voltage than a phone comfortably supplies, and the open back leaks sound and offers no isolation.
| Released | 2013 (13 years ago) |
|---|---|
| Back | Open |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 2.06 dB standard deviation |
| Driver Type | Dynamic |
| Form Factor | Over-ear |
| Frequency Response | 12Hz - 39.5kHz (Manufacturer specified) |
| Harman Preference Score | 81 (measured by oratory1990, via AutoEQ) |
| Impedance | 120 ohms |
| Sensitivity | 101 dB SPL/V |
| Sub-bass Extension | Falls 6 dB below target at 34 Hz (-6.7 dB at 30 Hz) |
| Tonal Tilt | +0.50 (negative is warmer, positive brighter) |
| Weight | 0.5 lbs (235 g) |
EQ preset to match the Harman target
Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +6.1 dB | 0.70 |
| Peak | 189 Hz | -1.7 dB | 0.52 |
| Peak | 752 Hz | +2.6 dB | 1.37 |
| Peak | 2,509 Hz | -2.5 dB | 2.16 |
| Peak | 9,792 Hz | +2.0 dB | 3.44 |
| High shelf | 10,000 Hz | -2.9 dB | 0.70 |
| Peak | 5,824 Hz | -3.3 dB | 5.79 |
| Peak | 4,131 Hz | +1.3 dB | 3.22 |
| Peak | 68 Hz | -0.7 dB | 2.89 |
| Peak | 86 Hz | +0.8 dB | 5.22 |
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