![]() “Big Ol’ Star” by Swampluck was recorded using two small CAD(!) condenser microphones positioned in front of the full band. Since CAD promises extreme low frequency extension through the MH510s, I listened for bass performance first. The velvet earpads were more comfortable but had looser bass. The leatherette earpads brought the drivers closer and flatter against my ears while the velvet earpads were thicker and created more distance between my ear and the driver. To exchange earpads, one must squeeze the earpad’s tapered edge into a thin slit between the driver’s faceplate and the surrounding earcup. The MH510s come with two sets of earpads: leatherette and velvet. The headphones are very large but foldable. The MH510s are available in black, chrome on black, orange on black, red on white, chrome on white, and gold on white. A tab keeps the cable from being pulled out. Each cable locks into the left earcup via a simple twist. Over extended listening periods, my ears only hurt a little.Īccessories include a drawstring bag, a ten foot long straight cable, one 3.5 foot coiled cable, and a 3.5mm female to 1/4" male threaded adapter. The earcups apply a slight amount of pressure on your ears. The elephantine headband planks across your skull, but its underside is fitted with cushy leatherette. The bottlenose dolphin can hear frequencies up to 150kHz, but can it appreciate DSD?ĭespite their bulk, the MH510’s were actually kind of comfortable. There was a dip at 2.5k–3.5k, a bit of harshness between 6.5k–8k followed by a fast dip, and then channel phasing in the extreme highs. Running a sweep from 20Hz to 24kHz, the midrange sounded pretty darn flat, except for a boost in the upper midrange. With a 20Hz tone, a 40Hz hum overlaid a subtle but consistent 20Hz tone. When pushed to 12Hz, the thumping increased in tempo and was draped with a 24Hz hum, a second-order harmonic distortion. The designers at CAD say they achieve this low frequency extension thanks to the large 50mm Neodymium drivers.įrom the Signal Suite iPhone app, I ran 10Hz test tone and heard an intermittent thumping. Olson’s Music, Physics, and Engineering: “Under very favorable conditions most individuals can obtain tonal characteristics as low as 12 cycles” (p.249). But down to 10Hz? Can humans even hear that low? According to Harry F. If you can hear up to 24kHz, you, my friend, are a dolphin. Growing from a decade long collaboration of CAD’s experience and expertise in the design of professional audio equipment, the MH510 headphones produce a wide frequency response (10Hz – 24kHz) with extended lows, smooth mids and articulate, life-like highs for accurate and natural reproduction.” The CAD MH510 sweepstakes announcement already had me intrigued: What Are These Things and What Can They Do? Could the CAD MH510 ($159.00) be the headphone I was looking for? I was in the market for some monitoring headphones, and CAD traditionally makes microphones for recording. of Plainsboro, New Jersey, their prizes, I realized the Stereophile office had one extra set of these headphones. After I sent Carter and our second winner, Jesus C. of Austin, Texas, one of the winners of our CAD MH510 over-ear headphone sweepstakes.
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