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Electronics Forum / Electronics / January 2006Speakers - 6 ohm vs. 8 ohm?
I've ordered a plasma screen and noticed that the specs for the external stereo speakers are 8 watts @ 6 ohm. I don't intend to connect it up to a home theatre system, just attach a couple of reasonable quality bookself speakers, which are 8 ohm. What if any problems will this cause at normal listening levels? <noone@nowhere.com> wrote in I've ordered a plasma screen and noticed that the specs for the external stereo speakers are 8 watts @ 6 ohm. I don't intend to connect it up to a home theatre system, just attach a couple of reasonable quality bookself speakers, which are 8 ohm. What if any problems will this cause at normal listening levels? ****** None!!!!!! Brian Goldsmith. "Brian Goldsmith." <brian.goldsmith@NOSPAMMecho1.com.au> wrote in message news:R5DCf.229129$V7.91686@news- > ****** None!!!!!! Except maybe less sound. > Brian Goldsmith. There is clearly a mismatch in the impedance but whether it is signficant enough to be noticable or not is unlikely, depends on the circuit. It would be more significant if it were 4 ohms, where with some amps I've noticed a different in output and output transistors running slightly warmer. >"Brian Goldsmith." <brian.goldsmith@NOSPAMMecho1.com.au> wrote in message >news:R5DCf.229129$V7.91686@news- [quoted text clipped - 3 lines] > >> Brian Goldsmith. > There is clearly a mismatch in the impedance No it's not. Firstly 6 ohms is the minimum recommended load, so 8 ohm is just fine. (4 ohm may not be) Secondly the speaker impedance figure is just a *nominal* measurement which may, or may not, be the minimum impedance of the speaker. The maximum may be ten times as much, or more, depending on frequency. MrT. > "Brian Goldsmith." <brian.goldsmith@NOSPAMMecho1.com.au> wrote in message > news:R5DCf.229129$V7.91686@news- >> ****** None!!!!!! > > Except maybe less sound. This comment is only valid if you have something else to compare it to. Rod >> Brian Goldsmith. > This comment is only valid if you have something else to compare it to. I did say maybe less sound and wouldn't the comparison be the standard speakers? > Rod > >>> Brian Goldsmith. >> This comment is only valid if you have something else to compare it to. > > I did say maybe less sound and wouldn't the comparison be the standard > speakers? Not necessarily. The standard speakers may be less sensitive than the desired speakers, so even at 8 ohms nominal impedance the 8 ohm speakers could be louder than the 6 ohm nominal standard speakers. >> Rod >> >>>> Brian Goldsmith. |
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