High frequency

[oldbluesue]

I have a set of Boston audio speakers 650 watt 80 ohm and was wondering if they can handle high frequency

 

[Duke LeJeune]

I couldn't find anything about them online.

That looks like maybe an 8-inch woofer and four 3" cone mids or cone tweeters. I don't see any reason why you shouldn't send high frequencies into those speakers. I can't reliably predict how much high frequency sound will come out of them, but those look like lightweight paper cones with small voice coils, so they probably go up high enough for light PA duty.

Two things that can damage speakers are excess heat (from too much wattage) and over-excursion (from powerful deep bass causing the woofer cone to move farther than it was designed to move). Clipping will send more energy to the 3" cones than an equal-wattage clean signal would and could overheat them, so clipping a powerful amplifier into them is not a good idea.

That does not look like a "650 watt" woofer to me, assuming its voice coil diameter corresponds with the dustcap size, but then not everybody measures power handling with the same yardstick. If they are well made, I would estimate their power handling at maybe 150 watts RMS and 300 watts music program.