Re: Need help choosing an amplifier
the big trouble is those 6ohm speakers.
if you're putting them in parallel with the 8ohms, you;re getting a 3.something ohm load, which is less than 4, get an amp that will go down to 2 ohms, and you're probably fine. but it's not common for home amps to go down that low, more common for car amps, (and that's usually just to fudge the power ratings so that you can have a 2000W amp running in your car).
if you wire them in series you're only getting 14ohm, so amps designed to drive into 16ohm loads are no good. if you get am amp with dual channels then you;re probably looking at getting 8 ohm loads, so channel a is fine where you have your 8 ohm loads, but channel b has the 6ohm ones on it and is driven too hard.
or you get amps designed for powering 4 ohm loads, and you;re consistently not getting the best out of the speakers at all. as you're attaching either 8 or 6 ohm loads to the channels.
the 6 ohm speakers, I think were most likely sold as consumer speakers that went with a matched hi-fi, and the speakers have probably outlasted the hi-fi...
best advice, get rid of the 6ohm speakers on ebay and use the money to shop for a second pair of 8ohm speakers that match the ones you already have in terms of power.
then you'll find it a lot easier to get an amp. (or the range of amps that are suitable will be greatly improved).
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