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HiVi M6N 6" Aluminum/Magnesium Midbass
Smallest practical enclosure without sacrificing bass response?
I'm planning a two-way set-up with the M6N Mid-bass, a TB 25-302SH tweeter and a 1st order, 6 dB X-O at 4,250 Hz. Can I squeeze this woofer into a .5 - .75 cu ft enclosure (sealed or ported) and get decent bass response?
.5 - .75 cu ft is a good size for a ported enclosure with this driver. A 0.5 cu ft enclosure with a 2" D x 7" L port will give a tuning frequency of ~45 hz with an f3 of ~48hz.This woofer does have some cone breakup right about where you are planning to crossover, this will likely give you issues. I suggest moving your crossover down a bit and bumping it up to a 2nd or 3rd order (that will make a huge improvement in the sound).
Date published: 2012-05-02
89 dB 2.83V / 1m compared to 91 dB 1W / 1m?
Is there a formula to compare the output of two different drivers; the woofer is rated 89dB 2.83V/1m, and the tweeter is rated 91dB 1W/1m?
This woofer is 8 ohms, 2.83V/1m = 1W/1m @ 8 ohms, Voltage^2/Resistace = Watts.
Date published: 2012-05-17
vented box specs ?
If you are making 2-way book-shelf or surround channel speakers 1-2 cu ft minimum with 2"dia x 4"L ports.
Date published: 2012-02-15
How would these perform in a car audio setup?
I am considering these for the front and rear doors of my '09 Nissan Titan. The factory speaker locations are very low in the door panel. The rear doors have decent factory tweeters higher up on the panel, but the front tweeters are in the dash. I replaced the factory mid-tweets in the dash with Vibe Audio Black Air 1 1/8" silk dome tweeters that are crossed over at 2500 Hz. I'm having trouble finding car audio speakers that provide the full sound that I'm after without spending a fortune. I've tried Alpine type S, Kicker DS, and Rockford Fosgate Power series. Door speakers are run off of a 4 ch Rockford amp that puts out 75 W RMS per channel. The head unit is Alpine. I've used HiVi tweeters in home audio applications before and was really impressed with their quality, especially for their relatively low price.
If you were mounting in a deck, you would love the results. In a door, not so much. Look at the mount depth. At 4+", clearance will negate to get, even if surface mounted. Peerless, Dayton,& Visitron have several alternatives with depths of 3-3 1/2" to meet your needs. If your amp can take 8ohm drivers, Aura or Grs can give cheaper choices. Whichever choice, I would surface mount and use a grill to maximize clearance. I would also watch the speakers wattage. You need 60watts rms load w/ a crossover for a 75watt amp(70% of power is below 200hz). If you use a notch filter at the fs frequency, you can use a driver rated lower, say 50watts or so. I'd recommend using a notch filter at fs or a high-pass filter just above fs regardless of load to reduce wear and tear on the coil, car vibration is more than enough for a driver to deal.
Date published: 2012-09-26
For a portable boom box type build will an amp such as the DTA-2 run two of these and a tweeter with decent output?
While we cannot guarantee decent output for any given application, the DTA-2 is a little power house and 10 watts per channel should be enough for most portable applications. This is a very popular choice for this type of use.
Date published: 2012-10-22
L(e) of this driver
Has anyone measured the L(e) of this driver?
The Le of this driver is 0.988 mH at 1kHz.
Date published: 2012-12-31