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Vifa BC25SC55-04 1" Square Frame Tweeter
How do you recommend cutting a 1.7" hole? I assume that means a 1 7/10" hole, and not a 1 7/8" hole? Thanks
Yes this is a 1.7" (7/10) hole. This is just shy of 1.75" and there is plenty of tolerance for a slightly larger opening. You should be able to find a 1.75" hole saw or spade bit to make this easier.
Date published: 2014-08-25
Would these Vifa tweeters work as replacements for the flat bottom/oval tweeters on my B&W DM220s? Is there a better replacement tweeter for these old B&W tweeters? Thanks.
Unfortunately we do not have a specific cross reference for this type of thing. The B&W speakers are all proprietary and anything after market will likely require modifications in order to fit properly. As long as you fine a tweeter with the same impedance as the original the crossover point will not change.
Date published: 2014-04-14
impedance for two wired in series?
Will two of these wired in series result in a total of 8 ohms? How will that change the SPL - 94 to 90dB?
Yes you will get 8 ohms, as far as SPL the rating of 94 db is stated in volts per meter and not the normal of 1watt at 1 meter so I am not sure of there rating. Since they are in series each speaker will see half the power as they will act as one.
Date published: 2012-10-15