Monday, June 9, 2014

4 ohm speakers (or 8 ohm speakers) for an 8 ohm amp/system?




Shannon


I have a nice and old Mercedes c220 (1996). We figured out that the system works on 8 ohms. Sadly, there are -39875 speakers out there that run 8 ohms (that aren't ridiculously expensive). Are there any 8 ohms speakers (preferably 5.25inch) that have good quality (around but no more than 50$)? If not, what limits can I push with the 4 ohms, and are there any that can be safe for my 8 ohm receiver? I listen to classical (as in 1700's 1800's classical) music, so unless the speaker is naturally loud, you kinda gotta crank the volume...


Answer
I'm a little surprised that your Mercedes head-end unit is 8 Ohms. Automotive systems have been lower impedance for as long as I've been paying attention to them (40+ years).

Having said that: Even if the head-end unit is rated for 8 Ohm operation, you could probably get away with hooking up speakers rated at 4 Ohms. You'll have to watch the volume control a bit, but the lower impedance speakers will sound louder than 8 Ohm speakers, regardless.

My first recommendation, though, would be to get some more amplification. Since you're not trying to build a rolling boom box, a modest-size amplifier-equalizer combination, perhaps installed in the trunk, would provide all the power you need for your musical tastes. It is also very handy to be able to equalize the amplification to compensate for the peculiarities of an automobile passenger compartment.

Logitech 2.1 speaker system in my car..?




Thomas And


Hey, I wanted to install my Logitech Z2300 2.1 Speaker System into my car..
The speaker system is 200W and 400W RMS.
And my car is a VW Polo 1999 model.

Is this possible? How big of an inverter would I need? (How much wattage on the inverter) --- (Inverter: Plug into cigarette lighter outlet and get a normal wall adapter input)

Please, if someone could explain if this is even possible, and how it is possible, I'd be forever happy!
I've read online some other people managing this with other speaker systems.

Thanks!



Answer
All home speakers are 8 ohm,auto speakers are 4 ohm this alone is a problem.




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