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Vifa TC6FD00-04 2" Full Range Paper Cone Woofer 4 Ohm
1) 15W RMS: Can I power this from aftermarket heatunit (13 Wrms)without HPF? 2) flat response from 150 Hz (sealed box): What if I have just this speaker pair and subwoofer xo 150 HZ? (no door woofer)
In a word, no. You will want a high pass filter on these if you plan on using any more than a few watts.
Date published: 2014-10-07
Which terminal is negative on these? One is marked with a paint dot, the other is not. Thanks!
The terminal that is marked will always be positive.
Date published: 2014-09-05
is the 81.5 dB 1W/1m sensitivity considered loud?
81.5 is considered quite low on average but typical on a speaker this size.
Date published: 2014-04-21
What type of enclosure for 2 of these in a portable speaker setting
I'm planning on installing 2 of these with the Sure electronics 2x15W amp. How much volume should the enclosure have? And rather a sealed or vented enclosure?Thanks!
The recommended vented enclosure for two of these is 0.1 cubic feet with two 1" diameter ports that are 2" long each. this will tune the box to 120 Hz.
Date published: 2014-04-19
Placement near phone or MP3 player
I would like to use these in a custom speaker dock for my mobile phone and I was wondering if there is any danger in having such large magnets near my source (phone/mp3 player). Thank you!
Nope, no problem at all with that. All portable electronics are shielded from external magnetic fields by means of metal cases fully surrounding all the sensitive parts of the electronics. Even without this shielding, there would unlikely be any issues, since the magnets in speakers are actually relatively weak. Pretty much the only way you'd have issues with a magnetic field near a portable electronic device would be if it were several times stronger than even the largest speaker magnets, AND if it were varying in intensity at a very high rate, So, you'd need a lab-grade electromagnet running at a high frequency.The only issue you'll run into with a non-shielded speaker such as this one is that it will distort the colors on a CRT TV or monitor. And, if the speaker gets close enough to the CRT, it could permanently damage it. But, you'd have to put it right up against the screen for that to happen, and most likely it would only happen with the less-common aperture grille type CRTs, rather than the more-common shadow-mask types.
Date published: 2012-10-01